KR101370260B1 - Multi-wall cylindric water tank - Google Patents

Abstract

The present invention relates to a cylindrical water tank having multiple partition walls, capable of facilitating cleaning operation while water supply is not stopped, by making water supplied smoothly without interruption even when a plurality of water containment chambers, which are divided by a plurality of partition walls, in the water tank are cleaned and maintained.

Description

Multi-wall cylindric water tank

The present invention relates to a cylindrical water tank, and more particularly, to ensure that the water supply is smoothly supplied without interruption even during the cleaning and maintenance of the water tank to a plurality of freshwater compartments divided into a plurality of partitions, so that the water supply is not interrupted. The present invention relates to a multi-bulk cylindrical water tank, which enables easy cleaning even in a state.

Generally, a water tank is installed to store and supply water to a building that uses a lot of living water, such as a residential apartment and a business building. The water tank is manufactured and used in various ways depending on the installation size or use.

Among the water tanks according to the installation scale and use, the cylindrical water tank has been disclosed as Republic of Korea Patent Publication No. 10-2008-0052013.

The previously disclosed patent allows the opening of the water inlet pipe and the overflow induction pipe to be guided to the bottom surface of the condensed water storage space, so that the water stored in the water storage space rises from the bottom, It can be used by receiving the water stored in each reservoir space while repeating the process of overflowing the induction pipe.

However, the previously disclosed patent is divided into a storage space, but since the structure is impossible to clean, each storage space is configured to pass through continuously, so when cleaning the water tank, the water supply to the water tank is stopped while stopping the water supply. After discharging the water of the space, each storage space had to be cleaned, so there was a problem that the drinking water supply is stopped.

In addition, since the water supplied to the reservoir is overflowed to the next reservoir through the overflow induction pipe, there is a risk of water contamination due to unbalanced turning and water purification. There is a problem that the cleaning time is increased due to unsanitary and difficult to clean due to the adhesion of foreign matter on the wall, there is a problem that the installation and maintenance is difficult because the pipes connected to each reservoir space is not gathered in one place.

In view of the conventional problems as described above, the object of the present invention is to provide a smooth supply without interrupting the water supply during the cleaning and maintenance of the water tank to a plurality of freshwater chamber divided into a plurality of partitions, The present invention provides a multi-bulk cylindrical water tank that enables easy cleaning even when water supply is not interrupted.

Another object of the present invention is to install a rectifying wall in each freshwater chamber so that the water supplied to the freshwater chamber through the water supply pipe is balanced in the freshwater chamber until the water flows into the next freshwater chamber to catch the water inside the freshwater chamber. The present invention provides a multi-bulk cylindrical water tank capable of preventing water contamination due to generation and shooting.

In addition, another object of the present invention is to install and maintain by improving the structural strength by reinforcing the overlapping portion of the partition wall stacked to form a fresh water chamber while each pipe communicating with each fresh water chamber is installed in the pipe buried part to enhance the structural strength. It is to provide a multi-bulk cylindrical water tank that can facilitate.

The multi-bulk cylindrical water tank of the present invention,

A pipe buried portion embedded in a base in which a cylindrical water tank is installed to receive and pipe each pipe;

A manhole installed at the center of the base to communicate with the pipe buried part and guiding the movement of the water supply pipe or the worker;

A plurality of partition walls installed at a predetermined interval around the manhole at a predetermined interval to form at least three first, second, and third freshwater chambers;

A water supply unit selectively supplying water to the first and third freshwater chambers while opening and closing a water supply control valve;

A discharge unit for selectively discharging the fresh water in the third and second freshwater chambers while opening and closing the discharge control valve;

Overflow ball to flow the water while communicating the first, second, third freshwater chambers with each other;

It is characterized in that it is configured to include a rectifying wall mounted in each freshwater chamber between the water supply unit and the overflow hole so that the water in each freshwater chamber is pivoted and discharged to the overflow hole or the discharge unit.

According to the present invention, it is possible to smoothly supply a plurality of freshwater chambers divided into a plurality of partition walls without interruption of water supply even during the cleaning and maintenance of the water tank, so that the cleaning of the freshwater chamber to be cleaned is easy and convenient regardless of the working time. Of course, the freshwater room that is not the object of cleaning may have the advantage of allowing drinking water to be safely supplied and used even when cleaning the target freshwater room.

In addition, according to the present invention, by installing a rectifying wall in each freshwater chamber so that the water supplied to the freshwater chamber through the water supply pipe is flowed to the next freshwater chamber to balance the inside of the freshwater chamber to generate a shooter in the freshwater chamber and It can prevent the contamination of the water caused by the shooter will have the advantage that can be used hygienically.

In addition, according to the present invention, each pipe communicating with each freshwater chamber is installed in the pipe buried portion while reinforcing the overlapping portions of the partition walls stacked to form the freshwater chamber with a reinforcing member to improve the structural strength to facilitate installation and maintenance. You can have the advantage to do that.

1 is a side schematic view of a cylindrical water tank to which the present invention is applied
2 is a top schematic view of FIG. 1
Figure 3 is a perspective view for reinforcing the partition wall of the cylindrical water tank to which the present invention is applied
Figure 4 is a block diagram showing another embodiment of the water supply unit to which the present invention is applied
Figures 5 to 6 show the state of use of the present invention
7 to 8 is a state of use for supplying water to the first, second freshwater chamber of the present invention and cleaning the third freshwater chamber
9 to 10 is a state of use to clean the first and second freshwater chamber receiving water supplied to the third freshwater chamber of the present invention

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. 1 is a schematic configuration diagram of a cylindrical water tank to which the present invention is applied.

In the present invention, the multi-partition cylindrical water tank 100 includes a pipe buried part 110 embedded in the base 110 ′ in which the cylindrical water tank 100 is installed to receive and pipe each pipe, and the pipe buried therein. The manhole 120 is installed at the center of the base 110 ′ so as to communicate with the unit 110 and guides the movement of the water supply pipe or the worker. The manhole 120 is formed at a predetermined interval around the manhole 120. A plurality of barrier ribs 130 are provided to form at least three first, second, and third freshwater chambers 130a, 130b, and 130c, while opening and closing the water supply control valves 142 and 142 '. The water supply unit 140 selectively supplies water to the first and third freshwater chambers 130a and 130c, and opens and closes the discharge control valves 152 and 152 '. The discharge unit 150 for selectively discharging the fresh water in the chamber (130c, 130b) is configured, and when the first, second, third freshwater chamber (130a) (130b, 130c) communicate with each other While the overflow hole 160 is configured to overflow the water, it is mounted in each freshwater chamber (130a) (130b) (130c) between the water supply unit 140 and the overflow hole 160, each freshwater chamber (130a) ( The water of the 130b) (130c) is configured to include a rectifying wall 170 to be discharged to the overflow hole 160 or the discharge unit 150, which will be described in more detail as follows.

The water supply unit 140 is installed in the pipe buried unit 110 and the manhole 120 to guide the water supply to the cylindrical water tank 100, the first and the third freshwater chamber (130a) (130c) A pair of water supply pipes 141 and 141 'having end portions are respectively provided, and opening and closing the pair of water supply pipes 141 and 141', respectively, to the first and third freshwater chambers 130a ( 130c) is provided to include a water supply control valve 142 (142 ') for controlling to stop the supply of water and the supply of water.

The water supply unit 140 is provided with a water supply guide pipe 143 installed in the pipe buried portion 110 and the manhole 120 to guide the water supply to the cylindrical water tank 100, the water supply guide pipe ( 143) and the first and second water supply pipes 145 and 145 'while opening and closing the water supply pipe of any one of the first and second water supply pipes 145 and 145', and the other One water supply pipe is provided with a three-way valve 144 to stop the water supply, is installed in the three-way valve 144, the water supply guide pipe is located on the first, third freshwater chamber (130a) (130c) First and second water supply pipes 145 and 145 'for supplying water to the first and third freshwater chambers 130a and 130c through 143 are provided.

The discharge part 150 is installed in the pipe buried part 110 so as to communicate with the third and second freshwater chambers 130c and 130b and is desalted in the third and second freshwater chambers 130c and 130b. A pair of discharge pipes 151 and 151 'is provided to guide the discharge of water, and the third and second freshwater chambers 130c and 130b are opened and closed while opening and closing the pair of discharge pipes 151 and 151'. And discharge control valves 152 and 152 'for controlling water to be discharged from and discontinued.

It is further configured to further include a flow pipe 160a coupled to the overflow hole 160 so that water flowing into the overflow hole 160 is supplied to the lower end of the freshwater chamber.

The following describes the manufacturing and use process of the present invention configured as described above.

First, as shown in Figure 2, in the base 110 'is placed and cured concrete to support the cylindrical water tank 100 is formed with a pipe buried portion 110 to accommodate and pipe each pipe, the pipe The embedding part 110 may embed a steel pipe, or may be formed in the pipe embedding part 110 through a formwork when the base 110 'is formed.

Here, the pipe buried portion 110, the water supply pipe 141, 141 'and the water supply pipe 143 and the discharge pipe 151, 151' and each fresh water according to the design drawing of the cylindrical water tank 100 Normal drain pipes (not shown) for discharging the fresh water and the clean water to clean the fresh water chamber should be installed in the chambers 130a, 130b, and 130c.

In addition, the movement of the worker is guided while receiving the water supply pipes 141 and 141 'and the water supply guide pipe 143 to communicate with the pipe buried part 110 at the end of the pipe buried part 110, that is, the base 110'. Is fixed to the manhole 120, the manhole 120 is preferably located on the center of the base 110 'is seated and fixed to the bottom plate (not shown) installed in the base (110').

When the manhole 120 is installed in the base 110 ′, a plurality of partitions 130 are formed around the manhole 120 to form first, second, and third freshwater chambers 130a, 130b, and 130c. ), Wherein the freshwater chamber may be formed more than three according to the size of the cylindrical water tank.

As shown in FIG. 3, the partition wall 130 may be welded and fixed after laminating a conventional rectangular plate material, and after bending each side of the conventional rectangular plate material by laminating them inside or outside, welding and fixing them. It may be, or may be reinforced by welding fixed to the reinforcing member (B) from the inside and outside of the laminated and laminated rectangular plate material.

In addition, the first, second, third freshwater chambers 130a, 130b, 130c formed by the partition wall 130 and the drain pipe (not shown) installed according to the design drawing of the cylindrical water tank 100 and The exhaust pipes 151 and 151 'are installed to communicate with each other in a conventional manner, and the discharge pipes 151 and 151' are installed to communicate with the third and second freshwater chambers 130c and 130b.

Here, the water supply control valves 142 and 142 'are respectively installed in the water supply pipes 141 and 141' installed in the pipe buried part 110 and the manhole 120, respectively, of the water supply pipes 141 and 141 '. The end is located above the first and third freshwater chambers 130a and 130c, or as shown in FIG. 4, the water supply guide tube 143 installed in the pipe buried portion 110 and the manhole 120 has three sides. Directional valve 144 is installed, the first and second water supply pipe 145, 145 'is installed on the three-way valve 144, the end of the first and second water supply pipe 145, 145' Located above the first and third freshwater chambers 130a and 130c, the water supply control valves 142 and 142 'are opened and closed under control of a controller to open and close the water supply pipes 141 and 141'. The three-way valve 144 is rotated under the control of the control unit, any one of the first, second water supply pipe 145, 145 'is open, the other one can be used to close, the three-way valve ( 144 refers to a conventional valve.

In addition, the overflow hole 160 penetrates through the upper end of the partition 130 so that the first, second, and third freshwater chambers 130a, 130b, and 130c communicate with each other. The flow pipe 160a may be mounted, and after the rectifying wall 170 is installed in each of the freshwater chambers of the water supply part 140 and the overflow hole 160, the cover 130 ′ and the ladder are installed on the partition wall 130. Manufacturing of the cylindrical water tank 100 is completed while fixing the accessory parts in a conventional manner.

Here, assuming that the water stored in the cylindrical water tank 100 to be filled with water is 100, the first, second, third freshwater chambers (130a, 130b, 130c) in a ratio of 10:30:60. It is preferably formed.

To supply water to the cylindrical water tank 100 produced by the above process, as shown in Figures 5 to 6, the first, second, third freshwater room (130a) (130b) 130c by the operator ) To close the discharge control valve 152 ′ of the discharge part 150 while closing the drain pipe (not shown) in communication with the drain pipe (not shown) so that the discharge pipe 151 ′ communicated with the second freshwater chamber 130b is closed. The discharge pipe 151 communicating with the third freshwater chamber 130c is opened by opening the discharge control valve 152.

In addition, the cylindrical water tank 100 through the water supply pipe 141 opened by the opening of the water supply control valve 142 while closing the water supply control valve 142 ′ of the water supply unit 140 to close the water supply pipe 141 ′. External water, that is, water is supplied to the first freshwater chamber 130a from a pipe through which the water pipe and the water move.

Here, the water supply guide pipe 143 and the first water supply pipe 145 is opened while closing the water supply guide pipe 143 and the second water supply pipe 145 'by rotating the three-way valve 144 of the water supply unit 140. The water supplied to the water supply pipe 143 may be supplied to the first freshwater chamber 130a.

Water supplied to the water supply pipe 141 and the first water supply pipe 145 is supplied to the first freshwater chamber 130a, and the first freshwater chamber 130a is a drain pipe (not shown) and a rectifying wall 170. Since the water supplied to the first freshwater chamber 130a is stored at the same time as the water level of the stored water rises, the upper part of the partition 130 located between the first and second freshwater chambers 130a and 130b is closed. It is located on the same line as the overflow hole 160.

At this time, since the rectifying wall 170 is located between the water supply pipe 141 and the first water supply pipe 145 and the upstream hole 160, the rectifying wall 170 is supplied to the water supply pipe 141 and the first water supply pipe 145. Water is stored in the second freshwater room 130b through the overflow hole 160 while the water is turned around and is stored in the first freshwater room 130a, and water is not generated in the first freshwater room 130a by the turning water. The moss can be prevented.

The water flowing into the overflow hole 160 of the first freshwater chamber 130a is closed by the drain pipe, the discharge pipe 151 ′ of the discharge part 150, and the rectifying wall 170. The water level of the water being stored and stored at the same time as 130b) increases and is located in the same line as the upstream hole 160 of the upper end of the partition 130 located between the second and third freshwater chambers 130b and 130c. The wall 170 is located between the overflow hole 160 of the first freshwater chamber 130a and the overflow hole 160 of the second freshwater chamber 130b, and thus the overflow hole 160 of the first freshwater chamber 130a. ) Is overflowed into the third freshwater room (130c) through the overflow hole 160 while turning the second freshwater room (130b), the water is generated in the second freshwater room (130b) by the turning water Otherwise, moss can be prevented.

In addition, the water flowing into the overflow hole 160 of the second freshwater chamber 130b is supplied to the third freshwater chamber 130c closed by the drain pipe and the rectifying wall, and the third freshwater chamber 130c is provided. Although the discharge pipe 151 of the discharge unit 150 located in the open to the discharge control valve 152, if the user does not use water, the water stored in the third freshwater chamber (130c) is not discharged While the water supply pipe 141 is stored in the third freshwater chamber 130c and at the same time the water level is opened and closed according to whether the water level sensor (not shown) installed at the upper end of the third freshwater chamber 130c is detected. Repeated supply and interruption of water to maintain a constant water level at all times, the rectifying wall 170 is between the overflow hole 160 of the second freshwater chamber (130b) and the discharge pipe 151 of the third freshwater chamber (130c). Since it is located, the water overflowed to the overflow hole 160 of the second freshwater chamber 130b is discharged to the discharge pipe 151 while turning the third freshwater chamber 130c. It is possible to prevent the generation of moss does not have any shooter to a third fresh water chamber (130c).

In the upstream hole 160 formed at the upper end of each of the partition walls 130, the overflow pipe 160a is mounted to guide the movement of water to the lower end of each freshwater chamber through the overflow pipe 160a. You can also reduce noise.

In the above process, water is supplied to the first, second, and third freshwater chambers 130a, 130b, and 130c sequentially, and the stored water is discharged by opening the discharge control valve 152 of the discharge unit 150. In addition to being supplied to each generation through the pipe 151, each generation will be selectively used to receive water.

When the cylindrical water tank 100 is cleaned after a set period of time in which the water supplied and stored in the first, second, and third freshwater chambers 130a, 130b, and 130c is supplied from the generation and used, 2, when cleaning the third freshwater room (130c) of the third freshwater room (130a, 130b, 130c), the water level sensor (not shown) installed in the third freshwater room (130c) under the control of the controller (not shown) OFF the operation of the water level sensor (not shown) installed in the second freshwater chamber (130b).

In addition, the water supply control valve 142 in a state in which the water supply control valve 142 'is closed by the worker moving to the manhole 120 so as not to be supplied to the third freshwater chamber 130c through the water supply pipe 141'. After being supplied to the first freshwater room (130a) through the water supply pipe 141 by the opening of the second freshwater room (130b) through the overflow hole 160 in the first freshwater room (130a) is stored By repeating the supply and interruption of water through the water supply pipe 141 while opening and closing the water supply pipe 141 in a normal manner according to whether the water level is detected by the water level sensor (not shown) of the second freshwater chamber 130b. The water level of the freshwater chamber 130b is always kept constant.

The discharge control valve 152 is closed by closing the discharge control valve 152 of the discharge unit 150 in a state in which water is filled or stored in the second freshwater chamber 130b, and at the same time, the discharge control valve 152 '. The discharge pipe 151 'is opened by the opening, and the water stored in the second freshwater chamber 130b is supplied to each household through the discharge pipe 151' through the discharge pipe 151 'being opened.

At this time, a normal drain pipe communicating with the third freshwater chamber 130c to be cleaned is opened by an operator to drain residual water remaining in the third freshwater chamber 130c and the third freshwater chamber 130c. After cleaning, the cleaned water is also drained by the drain pipe, and the cleaning of the third freshwater chamber 130c is completed while closing the drain pipe.

When the cleaning of the third freshwater chamber 130c is completed, the third freshwater chamber 130c is turned off while the operation of the water level sensor (not shown) installed in the second freshwater chamber 130b is controlled by the controller (not shown). Turn on the operation of the water level sensor (not shown) installed in the

When the water level detection sensor (not shown) of the third freshwater chamber 130c is operated, the water supply control valve 142 'is closed by a worker moving to the manhole 120 and the third water supply pipe 141' is closed. After the water supply control valve 142 is opened so that the water is not supplied to the freshwater chamber 130c, the water is supplied to the first freshwater chamber 130a through the water supply pipe 141 and then supplied to the first freshwater chamber 130a. Water stored in the water flows into the second freshwater chamber 130b and the third freshwater chamber 130c through the overflow hole 160, and is stored in the water level sensor of the third freshwater chamber 130c. Not shown) to repeat the supply and interruption of the water through the water supply pipe 141 that is opened and closed in a conventional manner according to whether or not to detect so that the water level in the third freshwater chamber (130c) can be constantly maintained.

The discharge control valve 152 ′ of the discharge unit 150 is closed by closing the discharge control valve 152 ′ in the state where water is stored in the third freshwater chamber 130 c and the discharge control valve 152. The discharge pipe 151 is opened by the opening of), and the water stored in the third freshwater chamber 130c is supplied to each household through the discharge pipe 151 through the discharge pipe 151 being opened.

In addition, when cleaning the first, second freshwater room (130a, 130b) of the first, second, third freshwater room (130a, 130b, 130c), the control unit (not shown) 3 While turning on the operation of the water level sensor (not shown) installed in the freshwater room (130c), while turning off the operation of the water level sensor (not shown) installed in the second freshwater room (130b) is moved to the manhole (120) The water supply pipe 141 'is opened by opening the water supply control valve 142' in a state in which the water supply control valve 142 is closed by an operator to prevent water supply to the first freshwater chamber 130a through the water supply pipe 141. The water is supplied to and stored in the third freshwater chamber 130c through the open and opened water supply pipe 141 '.

Repeated supply and interruption of water through the water supply pipe 141 'while opening and closing the water supply pipe 141' according to whether the water level of the water stored in the third freshwater chamber 130c is detected by the level sensor. The level of the third freshwater chamber 130c may be kept constant at all times.

The discharge control valve 152 'is closed by closing the discharge control valve 152' of the discharge unit 150 in a state where water is full or stored in the third freshwater chamber 130c, and at the same time, the discharge control valve 152 is closed. The discharge pipe 151 is opened by the opening of), and the water stored in the third freshwater chamber 130c is supplied to each household through the discharge pipe 151 through the discharge pipe 151 being opened.

Here, the water supply guide pipe 143 and the second water supply pipe 145 'is opened while closing the water supply guide pipe 143 and the first water supply pipe 145 by rotating the three-way valve 144 of the water supply unit 140. The water supplied to the water supply guide pipe 143 may be supplied to the third freshwater chamber 130c.

At this time, a normal drain pipe communicating with the second and first freshwater chambers 130b and 130a to be cleaned is opened by a worker to remove residual water remaining in the second and first freshwater chambers 130b and 130a. In addition to draining, the second and first freshwater chambers 130b and 130a are cleaned, and the cleaned wash water is also drained by the drain tube, and then the second and first freshwater chambers 130b and 130a are closed while the drain tube is closed. Will complete the cleaning.

In the cleaning of the second and first freshwater rooms 130b and 130a, the second freshwater room 130b is cleaned before the first freshwater room 130a to clean the water of the first freshwater room 130a. It can be used as the washing water of (130b).

When the cleaning of the second and first freshwater chambers 130b and 130a is completed, the operation of the water level sensor (not shown) installed in the second freshwater chamber 130b is turned off under the control of a controller (not shown). Turns on the operation of the water level sensor (not shown) installed in the third freshwater chamber (130c).

When the water level detection sensor (not shown) of the third freshwater chamber 130c is operated, the water supply control valve 142 'is closed by a worker moving to the manhole 120 and the third water supply pipe 141' is closed. After the water supply control valve 142 is opened so that the water is not supplied to the freshwater chamber 130c, the water is supplied to the first freshwater chamber 130a through the water supply pipe 141 and then supplied to the first freshwater chamber 130a. Water stored in the water flows into the second freshwater chamber 130b and the third freshwater chamber 130c through the overflow hole 160, and is stored in the water level sensor of the third freshwater chamber 130c. Not shown) to repeat the supply and interruption of the water through the water supply pipe 141 that is opened and closed in a conventional manner according to whether or not to detect so that the water level in the third freshwater chamber (130c) can be constantly maintained.

The discharge control valve 152 ′ of the discharge unit 150 is closed by closing the discharge control valve 152 ′ in the state where water is stored in the third freshwater chamber 130 c and the discharge control valve 152. The discharge pipe 151 is opened by the opening of), and the water stored in the third freshwater chamber 130c is supplied to each household through the discharge pipe 151 through the discharge pipe 151 being opened.

Here, an operator who cleans the first, second, and third freshwater chambers 130a, 130b, and 130c may normally have a cover 130 ′ so as to communicate with each of the freshwater chambers 130a, 130b, and 130c. It can be moved through a ladder installed in a way.

In addition, each valve is preferably located higher than the drain pipe, it may be opened and closed manually by the operator or automatically opened and closed under the control of the control unit.

As described above, the cylindrical water tank 100 of the present invention is formed in at least three or more freshwater chambers by the partition 130 to be stored in another freshwater chamber among any of the freshwater chambers. It can be used easily by receiving water.

While the present invention has been described with reference to the particular embodiments and drawings, it is to be understood that the phraseology and terminology employed herein are for the purpose of description and should not be regarded as limiting in any ordinary or prejudicial sense. It must be interpreted in terms of meaning and concept. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only examples of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It is to be understood that equivalents and modifications are possible.

100: cylindrical water tank 110: pipe buried portion
120: manhole 130: bulkhead
140: water supply part 150: discharge part
160: overflow hole 170: rectifying wall

Claims (5)

A pipe buried portion embedded in a base in which a cylindrical water tank is installed to receive and pipe each pipe;
A manhole installed at the center of the base to communicate with the pipe buried part and guiding the movement of the water supply pipe or the worker;
A plurality of partition walls installed at a predetermined interval around the manhole at a predetermined interval to form at least three first, second, and third freshwater chambers;
A water supply guide pipe installed in the pipe buried part and the manhole is provided to guide the water supply to the cylindrical water tank, and the first and second water supply pipes are connected while opening and closing the water supply guide pipe and the first and second water supply pipes. One water supply pipe is supplied with water, and the other water supply pipe is provided with a three-way valve for stopping the water supply, and installed in the three-way valve located on the first, the third freshwater chamber, the water supply guide A water supply unit including first and second water supply pipes through which the water is supplied to the first and third freshwater chambers;
A discharge unit for selectively discharging the fresh water in the third and second freshwater chambers while opening and closing the discharge control valve;
Overflow ball to flow the water while communicating the first, second, third freshwater chambers with each other;
And a rectifying wall mounted on each freshwater chamber between the water supply unit and the overflow hole to allow the water in each freshwater chamber to pivot to be discharged to the overflow hole or the discharge unit.
delete delete The method according to claim 1, The discharge unit,
A pair of discharge pipes installed in the pipe buried portion so as to communicate with the third and second freshwater chambers to guide discharge of fresh water in the third and second freshwater chambers;
And a discharge control valve configured to control opening and closing of the pair of discharge pipes to stop and discharge water from the third and second freshwater chambers.
The method according to claim 1,
The multi-partition cylindrical water tank, characterized in that further comprises a overflow pipe coupled to the overflow hole so that the water flowing into the overflow hole is supplied to the lower end of the freshwater chamber.

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