KR102418376B1 - Water purifier for agriculture - Google Patents

Abstract

The present invention provides a pre-treatment filter part for filtering impurities, solids and bacteria contained in the supplied raw water; a third filter unit for filtering divalent elements, trace elements, bacteria and viruses contained in the raw water filtered by the pre-treatment filter part; and a washing part for automatically supplying washing brine of a certain salinity to the pre-processing filter part in order to separate and remove calcium and magnesium adsorbed on the filter media used in the pre-treatment filter part; It relates to an agricultural water purifier that can keep the salinity of the washing salt water constant.

Description

Automatic supply type agricultural water purifier with constant salinity washing brine {WATER PURIFIER FOR AGRICULTURE}

The present invention is to use raw water such as groundwater to filter and supply water having water quality suitable for agricultural use. It is a technology related to an agricultural water purifier that automatically supplies washing brine of a certain salinity so that the washing of the filter media can be made uniformly by maintaining a constant concentration of the washing brine used during backwashing.

As a technology for purifying and supplying raw water such as groundwater suitable for agricultural use,

Republic of Korea Utility Model Registration No. 20-0304124 (Registered on March 30, 2003, hereinafter referred to as 'Document 1') 『Agricultural Swivel Water Filtering Device』 is presented,

Document 1 discloses a lower filtration tank having an inner bottom surface concave with respect to the ground and having a raw water inlet pipe and a purified water discharge pipe on the outer circumferential surface, and an upper filtering tank having an inner upper surface convex with respect to the ground and sealing and coupled to the lower filtration tank so that it can be disassembled And, the cylindrical filter part is inserted in the longitudinal direction, and is vertically coupled to the end of the purified water discharge pipe close to the inner wall of the upper and lower filtration tanks, and the centrifugal force by accelerating the filtration of the treated water turning in one direction by the turning means to be filtered by the filtration part It is a technology related to an agricultural vortex water filtration device that efficiently separates solid foreign substances contained in treated water by rapidly turning groundwater flowing into a filtration tank by including an acceleration means for causing

As another technology, the Republic of Korea Utility Model Registration No. 20-0393330 (Registered on Aug. 11, 2005, hereinafter referred to as 'Document 2') 『Agricultural Water Purification System』 is proposed,

Document 2 discloses a main body case having an outlet provided on one side for discharging purified water, and having a water purifying tank function capable of accommodating water requiring purified water and flowing naturally therein; In order to purify water naturally flowing down from one side of the body case, a natural purification material layer composed of a natural purifying material, a peat layer composed of sphagnum peat moss, and a natural purifying material layer composed of a natural purifying material on the water passage to purify water a main water purification unit arranged with a layered structure of; A type of water moss by including an auxiliary water purifier in which a natural purification material is disposed in a single-layer structure continuously with the natural purification material layer in front of the lowermost natural purification material layer of the main water purification part, and a plurality of flow path guides having a flow rate control function are disposed It is a technology related to a water purification system for agricultural use that contains sphagnum peat moss, a natural organic material, as an alcoholic water treatment material.

As another technology, the Republic of Korea Utility Model Registration No. 20-0404286 (Registered on Dec. 14, 2005, hereinafter referred to as 'Document 3') 『Purified water tank in which water of various quality is produced』 is proposed,

Document 3 discloses a water storage chamber into which water is introduced through the upper inlet line, a first water purification chamber installed inside the water storage chamber, and a drain in which water introduced through the water inlet port on the water storage chamber side communicates with the first water purification chamber. Firefighting water/drinking water/agricultural water by including a filter means that is purified while flowing into the first water purification chamber, and a supply line through which water of different quality stored in the water storage chamber and the first water purification chamber is supplied to the outside according to a user's request It is a technology related to a water purification type water tank that can produce water of various quality, such as water tank, and can spray washing water mixed with disinfectant solution at high pressure on the inner wall of the water tank when cleaning the water tank.

Document 1. Republic of Korea Utility Model Registration No. 20-0304124 (Registered on March 30, 2003) Document 2. Republic of Korea Utility Model Registration No. 20-0393330 (Registered on Aug. 11, 2005) Document 3. Republic of Korea Utility Model Registration No. 20-0404286 (Registered on Dec. 14, 2005)

An object of the present invention is to provide an agricultural water purifier with an automatic supply of washing brine of a certain salinity, which measures the salinity of the washing brine used for washing and informs the outside to supplement the salt when the salinity is less than a certain salinity.

Furthermore, an object of the present invention is to provide an automatic supply type agricultural water purifier with a predetermined salinity so that water and salt can be automatically replenished by a controller.

In addition, the present invention provides a filter unit for filtering raw water in three stages, and then, as it is filtered from the filter unit in the final stage to various elements required for biological growth, it is difficult to supply agricultural water. Raw water and raw water that has passed through the filter unit in the final stage are mixed in a certain ratio to supply mixed water exceeding the allowable value required for biological growth, and raw water that has not been passed through the filter unit in the final stage and the filter unit in the final stage The purpose of the present invention is to provide an agricultural water purifier with an automatic supply of washing brine of a certain salinity that allows the mixing ratio between the two raw waters to be manually or automatically adjusted by checking the water quality of the mixed water of the raw water that has undergone the treatment.

In order to solve the above-mentioned problems, the agricultural water purifier of the automatic supply type of washing salt water of a certain salinity according to the present invention,

A pre-treatment filter part for filtering impurities, solids and bacteria contained in the supplied raw water;

a third filter unit for filtering divalent elements, trace elements, bacteria and viruses contained in the raw water filtered by the pre-treatment filter part; and

a washing part for automatically supplying washing brine of a certain salinity to the pre-processing filter part in order to separate and remove calcium and magnesium adsorbed on the filter media used in the pre-processing filter part;

characterized in that it consists of

The automatic supply type agricultural water purifier for washing salt water of a certain salinity according to the present invention,

It has the greatest effect to keep the salinity of the washing brine used during washing constant.

In addition, if the mixing ratio between the two raw waters is constant, the water quality of the mixed water also changes because the water quality of the raw water such as groundwater changes according to environmental changes such as rainfall. There is an effect of manually or automatically adjusting the mixing ratio between the livers so that mixed water with a constant water quality, that is, suitable for agricultural use, can be supplied at all times.

1 is a front configuration view showing an agricultural water purifier according to the present invention;
2 is a front view showing the first filter unit;
3 is a three-dimensional configuration diagram showing the cleaning means of the first filter unit;
Figure 4 is a plan view of Figure 3;
5 is a front view and a partial cross-sectional configuration view showing the second filter unit;
6 is a side view showing the third filter unit;
7 is a front view and a partial cross-sectional configuration view for showing the inside of the third filter unit;
8 is a partial side configuration view for showing the mixing unit and the control unit;
9 is an exploded three-dimensional configuration diagram showing a nanobubble generating unit;
10 is a cross-sectional configuration view of the coupling of FIG. 9;
11 is a front view showing the flow of the operating state of the agricultural water purifier according to the present invention;
12 and 13 are diagrams showing the cleaning part;
14 is a configuration diagram showing that a salt storage tank is further provided in the washing part.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, the terms or words used in the present specification and claims should not be construed as being limited to conventional or dictionary meanings, and the inventor should properly understand the concept of the term in order to best describe his invention. Based on the principle that it can be defined, it should be interpreted as meaning and concept consistent with the technical idea of the present invention. Therefore, the configuration shown in the embodiments and drawings described in this specification is only the most preferred embodiment of the present invention and does not represent all of the technical spirit of the present invention, so various equivalents that can be substituted for them at the time of the present application It should be understood that there may be water and variations.

1 to 14, the automatic supply type agricultural water purifier of a certain salinity according to the present invention,

It largely consists of a pre-treatment filter part (P), a third filter unit (30) and a washing part (C).

Looking at each configuration,

The pre-processing filter part (P) is

Consists of a first filter unit (10) and a second filter unit (20),

First, the first filter unit 10 is

As shown in Figures 1 to 4,

It is for filtering impurities and solids contained in the supplied raw water,

Two or more first filter tanks 11,

a first raw water supply line 12 for supplying raw water to one of the first filter tanks 11,

A first relay line 13 for interconnecting the remaining first filter tanks 11 of each of the first filter tanks 11, and

A first drain line (14) connected to each of the first filter tanks (11) and draining the internal wastewater washed by a cleaning means installed in each of the first filter tanks (11)

is made including

Here, as in FIG. 1 , in the present invention, a rectangular base (B) having a three-dimensional structure by horizontal and vertical pipes is provided so that each of the units can be installed.

And as the first water pump 15 is installed on the first raw water supply line 12, external raw water such as groundwater is forced into one first filter tank ( 11) will be supplied.

In addition, on the first raw water supply line 12, an on/off valve 121 that can be operated manually or automatically by external control is provided.

In each of the first filter tanks 11, certain particles of sand and activated carbon are built in to serve as a filter, and in order to remove foreign substances adsorbed to the sand and activated carbon, etc., a cleaning means 16 may be further provided,

3 and 4, the cleaning means 16 is

A shaft 161 vertically erected in each of the first filter tanks 11,

a shaft driving unit 162 for transmitting forward rotation power to the shaft 161;

A forward rotation support 163 axially coupled to the shaft 161 and a plurality of forward rotation blades 164 disposed along the longitudinal direction thereof;

A reverse rotation support 165 surrounding the shaft 161 so that the shaft 161 becomes the center, and a plurality of reverse rotation blades 166 disposed between the forward rotation blades 163 and disposed along the longitudinal direction thereof )Wow,

A relay driving unit 167 for converting the forward rotation power transmitted to the forward rotation support 163 to the reverse rotation support 165 and transferring the reverse rotation power.

is made of

At this time, the shaft driving unit 162 may be a motor, and the motor may be operated at a predetermined time by an operator by setting a timer or the like by an external control panel or the like, or may be manually controlled through a separate control button.

A plurality of teeth are formed on the outer peripheral surface of the forward rotation support 163, and a plurality of teeth are also formed on the inner peripheral surface of the reverse rotation support 165. , one relay gear is meshed with the forward rotation support 163 and the other relay gear is meshed with the reverse rotation support 165 , so that rotational operations in different directions are possible.

And it is preferable that auxiliary wings bent in the forward rotation direction in which they rotate are further provided at the ends of each of the forward rotation blades 164 , and the reverse rotation direction in which they are also rotated at the ends of each reverse rotation blade 166 . It is preferable that the auxiliary wing bent to be further provided.

Therefore, when the shaft 161 is rotated forward (clockwise) by the shaft driving unit 162, each of the forward rotation blades 164 rotates, and at the same time, the reverse rotation support 165 rotates the relay. As the reverse rotation (counterclockwise direction) is rotated by the driving unit 167, each of the reverse rotation blades 166 is also rotated, so that the sand and activated carbon embedded in each of the first filter tanks 11 are evenly mixed. At this time, foreign substances adsorbed on sand and activated carbon are removed by the supplied raw water. The foreign substances removed in this way are discharged to the outside through the first drain line 14 together with the raw water.

The second filter unit 20 is

As shown in Figures 1 and 5,

It is for filtering the bacteria contained in the raw water filtered by the first filter unit (10),

The second filter tank 21, and

A second raw water supply line (22) for supplying raw water filtered by the first filter unit (10) to the second filter tank (21)

is made including

Here, as shown in FIG. 5 , the second filter tank 22 includes a cylindrical chamber 211 and a plurality of microfilter members 212 vertically erected inside the chamber 211 and radially disposed. ) and a disk-shaped disk 213 disposed in the chamber 211 to which each microfilter member 212 is inserted and supported. The disk 213 has a radially circular hole, and the micro filter member 212 is inserted and supported in each hole, and the disk 213 is an opening/closing cover provided on the second filter tank 21 . By being connected to the rod 215 connected to the lower surface of the 214, when the opening/closing cover 214 is removed, the disk 213 connected to the rod 215 is removed from the inside of the second filter tank 21 together. will come out As a result, it is easy to replace each of the micro filter members 212, and after separating the micro filter members 212 and the disk 213 from the inside of the second filter tank 21, the second filter tank 21 The interior can be cleaned more easily.

And the second raw water supply line 22 has one end connected to the first filter tank 11 that performs the last filtering among the first filter tanks 11 of the first filter unit 10, and the second filter By connecting the other end to the tank 21 , raw water filtered primarily by the first filter unit 10 is supplied to the second filter tank 21 side.

The third filter unit 30 is

It is for filtering divalent elements, trace elements, bacteria and viruses contained in the raw water filtered by the pre-treatment filter part (P),

As shown in Figures 1, 6 and 7,

It is for filtering divalent elements, trace elements, bacteria and viruses contained in the raw water filtered by the second filter unit 20,

Two or more third filter tanks 31, and

A third raw water supply line (32) for supplying raw water filtered by the second filter unit (20) to each of the third filter tanks (31)

is made including

Here, as shown in FIG. 7 , each of the third filter tanks 31 has a cylindrical chamber 311 and vertically erected inside the chamber 311 so that the upper and lower ends are spaced apart from the inner wall of the chamber 311 . It consists of a hollow outer cylinder 312 disposed, a hollow inner cylinder 313 standing in the center of the outer cylinder 312, and a membrane filter member 314 disposed between the outer cylinder 312 and the inner cylinder 313, After the raw water supplied to the third raw water supply line 32 rises along the inner wall of the chamber 311, it passes through the membrane filter member 314 downward and passes through the inner tube 313 again, raw water B to be described later. It is drained to the drain line (42). At this time, since the upper and lower ends of the chamber 311 have a structure in which the cross-sectional space is wider than the middle part, the upper and lower ends of the outer cylinder 312 are spaced apart from the upper and lower ends of the chamber 311, and the space between them is secured, After the raw water flows into the interspace and rises, it is filtered while passing through the upper side space of the chamber 311 and the membrane filter member 314, and the filtered raw water passes through the lower side space of the chamber 311. It passes through the inner cylinder 313 and is supplied to the raw water B drain line 42 .

And the third raw water supply line 32 has one end connected to the second filter tank 21 of the second filter unit 10 and the other end connected to each of the third filter tanks 31, so that the first The raw water secondarily filtered by the second filter unit 20 is supplied to each of the third filter tanks 31 .

The third filter unit 30 is a reverse osmosis type RO (Reverse Osmosis) filter structure, and has a disadvantage in that it has high purity and filters heavy metals and bacteria while filtering out minerals. This RO filter structure has a problem in that the membrane filter member for the filter is damaged when calcium or magnesium contained in raw water passes through during filtering, so that calcium and magnesium are filtered in the first and second filter units 10 and 20 adsorbed to and separated from the raw water.

Washing part (C)

As shown in Figures 12 to 14,

In order to separate and remove calcium and magnesium adsorbed on the filter media used in the pre-treatment filter part (P), the washing brine is automatically supplied to the pre-treatment filter part (P),

Washing salt water storage tank (C1),

A washing brine supply pipe (C2) interconnecting the pre-treatment filter part (P) and the washing brine storage tank (C1);

A washing pump (C3) installed on the washing brine supply pipe (C2),

A salinity sensor (C4) installed in the washing brine storage tank (C1) to measure the salinity of the washing brine, and

Controls the operation of the washing pump (C3) according to the set value of the timer, and controls the alarm display unit (C51) that informs the outside when the sensing value of the salinity measuring sensor (C4) is lower than the preset value, and at the same time the pretreatment Controller (C5) that controls to cut off the supply of raw water to the filter part (P)

is made including

At this time, an inlet for salt input is provided in the washing brine storage tank (C1), and when an appropriate amount of salt is added, it dissolves in the water supplemented in the storage tank to become washing brine having a certain salinity. When the salt reaches a certain salinity, some of the added salt does not dissolve and sinks to the floor. When this is repeated, the amount of salt is reduced and washing brine with low salinity is generated, and when the filter media in the first filter unit 10 is washed using the washing brine in this state, calcium and magnesium adsorbed to the filter media cannot be separated and removed. There is a problem in that the third filter unit 30 is supplied to damage the membrane filter.

In order to prevent this, when the salinity measurement sensor (C4) measures the salinity of the washing brine and transmits the measured value to the controller (C5), the controller (C5) when the salinity is lower than the preset value, the alarm display unit ( C51) to notify the outside.

The alarm display unit C51 may be implemented as a beep sound generating unit or a display unit displaying characters or numbers.

Eventually, when the washing salt water has a salinity lower than the preset value, the operation of the first water pump 15 is stopped by the controller C5, and at the same time, the first filter tank 11 is controlled by the controller C5. The raw water supply to the furnace is cut off, and at this time, after the operator sees or hears the alarm display unit (C51), a certain amount of salt is put into the washing brine storage tank (C1), and the added salt is melted, indicating that washing brine of a certain salinity or higher is generated. The salinity sensor (C4) is measured and transmitted to the controller (C5). Thereafter, the filtering process is restarted by the controller C5.

On the other hand, the washing part (C) is

And a water replenishment pipe (C6) connected to the washing brine storage tank (C1),

A water opening/closing valve (C7) installed on the water replenishment pipe (C6) and controlled in operation by the controller (C5)

A salt storage tank (C8) and

a salt supply pipe (C9) interconnecting the washing salt water storage tank (C1) and the salt storage tank (C8);

Salt on-off valve (C10) installed on the salt supply pipe (C9) and the operation is controlled by the controller (C5)

further includes

When the washing brine stored in the washing brine storage tank C1 is used, that is, supplied for washing in the first filter tank 11, the water on/off valve C7 is operated and opened by the controller C5. Water is supplied into the washing brine storage tank (C1) through the water replenishment pipe (C6). When a certain amount is supplied, the water on/off valve (C7) is blocked.

And when the washing brine below a certain salinity is measured, the salt on-off valve C10 is operated and opened by the controller C5, and the salt stored in the salt storage tank C8 is stored in the washing brine storage tank C1 by a certain amount. ) is supplied in When a certain amount is supplied, the salt on-off valve (C10) is blocked.

After all, the salt can be automatically supplied by the controller C5 according to the salinity measurement sensor C4, rather than manually inputting salt by the operator.

Even at this time, the operator periodically checks the amount of salt in the salt storage tank (C8) or measures the weight of the salt storage tank (C8) using a weight sensor, etc., and informs the outside if the weight is below an appropriate value It can also be implemented so that workers can easily replenish salt.

On the other hand, the agricultural water purifier according to the present invention further includes a mixing unit 40 and a control unit 50,

The mixing unit 40 is

As shown in Figures 1 and 8,

For mixing raw water A filtered by the first and second filter units (10, 20) and raw water B filtered by the first, second and third filter units (10, 20, 30),

Raw water A drain line (41),

Source B drain line 42, and

The final drainage line 43 interconnecting each outlet of the raw water A and the raw water B drainage lines 41 and 42

is made including

Here, the raw water A drain line 41 has a structure branching from the third raw water supply line 32 , and the raw water transferred through the third raw water supply line 32 and the third filter tank 31 and The raw water A is branched and transferred through each of the drain lines 41 . As a result, raw water A transferred to the raw water A drain line 41 is raw water filtered through only the first and second filter units 10 and 20 without passing through the third filter tank 31 .

The raw water B drain line 42 has one end connected to the inside of the upper end of the inner cylinder 313 in the chamber 311 of the third filter tank 31, so that the raw water is eventually transferred to the raw water B drain line 42. B is the raw water filtered while passing through the first, second and third filter units (10, 20, 30).

Therefore, as shown in FIG. 11, raw water A transferred through the raw water A drain line 41 and raw water B transferred through the raw water B drain line 42 meet at the final drain line 43 and are mixed with each other. After that, it is stored in a separate tank or transported and supplied along a separate pipe constructed to the point where agricultural water is required.

The control unit 50

As shown in Figures 1 and 8,

It is for adjusting the mixing ratio of raw water A and raw water B according to the quality of the mixed water mixed by the mixing unit 40,

The water quality sensor 51 installed on the final drainage line 43,

The display unit 52 for displaying the water quality status according to the value sensed by the water quality sensor 51,

The raw water A quantity control valve 53 installed on the raw water A drain line 41,

The raw water B quantity control valve 54 installed on the raw water B drain line 42,

The raw water A flow meter 55 installed on the outlet side of the raw water A drain line 41, and

Raw water B flow meter 56 installed on the outlet side of the raw water B drain line 42

is made including

Here, the display unit 52 may be formed of a display panel that displays various types of information in numbers, characters, graphs, or the like.

And, it is preferable that the raw water A and raw water B quantity control valves 53 and 54 have a valve structure that can be operated manually or automatically by external control.

And, the raw water A and raw water B flowmeters 55 and 56 have a conventional flowmeter structure that checks the flow rate of raw water drained through each of the drain lines 41 and 42 so that it can be visually confirmed.

As a result, the mixed water of raw water A and raw water B drained to the outside through the final drain line 43 is sensed by the water quality sensor 51, and this sensed value is compared with a preset value by a separate controller or the like. A state value such as high or low is determined and displayed on the display unit 52 . According to this state value display, the operator manually or automatically operates the raw water A and raw water B quantity control valves 53 and 54 in the internal flow path of the raw water A and raw water B drain lines 41 and 42 through external control. to control the degree of openness.

For example, when using groundwater as raw water to purify water, the water quality of groundwater is different each time depending on external conditions such as precipitation, and the raw water A and raw water B quantity control valves 53 and 54 are manually or automatically controlled according to different situations. Thus, it can be implemented so that the mixed water of a constant water quality can be finally discharged.

Among the factors essential for the growth of living things, inorganic elements and vitamins that are effective in trace amounts are called trace elements. For these so-called macroelements, there are sufficient necessary elements whose concentration is on the order of several hundred thousandths or less, and these are called trace elements or trace elements. These include iron, zinc, manganese, copper, boron, and molybdenum.

In the agricultural water purifier according to the present invention having the above configuration, trace elements and divalent elements (calcium, magnesium, etc.) are filtered through the third filter unit 30, so that the raw water B is not included in the first And raw water filtered through only the second filter units 10 and 20, that is, raw water A from which trace elements and divalent elements have not been removed, is mixed with raw water B in a certain ratio to produce trace elements and divalent elements necessary for the growth of living things. It is possible to provide mixed water from which impurities, solids, bacteria, etc. are removed while being included.

On the other hand, the agricultural water purifier according to the present invention further comprises a nano-bubble generating unit (60),

The nano-bubble generating unit 60 is

As shown in Figures 9 and 10,

A housing 61 including a lower body 611 in which a motor is disposed and an upper cover 612 coupled to the upper end of the lower body 611,

A pair of impellers 62 disposed at positions spaced apart from each other along the longitudinal direction of the rotary shaft coupled to the motor;

A rotational discharge pipe 63 disposed between the respective impellers 62 and coupled to the rotary shaft and having an inner space in which the cross-sectional space is expanded downwardly, and

A flow path case (64) for discharging the gas rotated by the respective impellers (62) to the third raw water supply line (32).

is made including

Here, the rotating discharge pipe 63 is disposed between the respective impellers 62 and while rotating through the one impeller 62, the gas generated by colliding with the inner circumferential surface of the case serves as a medium for transferring the gas to the other impeller 62 side. In particular, by improving the speed of the gas moving from one impeller 62 to the other impeller 62 side to be delivered, it is possible to transfer the gas without reducing the speed.

As a result, when the rotating shaft rotates by the operation of the motor, the movement speed of air is improved by each impeller 62 arranged at a distance from each other, and low noise and high efficiency effects can be expected while compressing the air. It is possible to increase the amount of bubble generation.

Accordingly, the gas discharged from the flow path case 64 and the raw water transferred from the third raw water supply line 32 are mixed to generate nanobubbles.

In the above description of the present invention, with reference to the accompanying drawings, the "automatic supply type agricultural water purifier of a certain salinity" having a specific shape and structure has been mainly described, but the present invention is capable of various modifications and changes by those skilled in the art, Such modifications and variations should be construed as falling within the protection scope of the present invention.

10: first filter unit
11: first filter tank
12: 1st raw water supply line
121: on/off valve
13: first relay line
14: first drain line
15: first water pump
16: cleaning means
161: shaft
162: shaft driving part
163: forward rotation support
164: forward rotation wing
165: reverse rotation support
166: reverse rotation wing
167: relay drive unit
20: second filter unit
21: second filter tank
211: chamber
212: micro filter member
213: disk
214: opening and closing cover
215: load
22: second raw water supply line
30: third filter unit
31: third filter tank
311: chamber
312: outer cylinder
313: inner tube
314: membrane filter member
32: third raw water supply line
40: mixing unit
41: raw water A drain line
42: raw water B drainage line
43: final drain line
50: control unit
51: water quality sensor
52: display unit
53: raw water A quantity control valve
54: raw water B quantity control valve
55: raw water A flow meter
56: raw water B flow meter
60: nano bubble generating unit
61: housing
611: lower body
612: upper cover
62: impeller
63: rotating discharge pipe
64 : Euro Case
P: pre-processing filter part
C : Washing part
C1: Washing salt water storage tank
C2: Washing salt water supply pipe
C3 : Washing pump
C4 : Salinity sensor
C5 : Controller
C51 : Alarm display part
C6 : water replenishment pipe
C7 : Water on/off valve
C8: salt storage tank
C9: salt supply pipe
C10: Salt on/off valve

Claims (7)

A pre-treatment filter part (P) for filtering impurities, solids and bacteria contained in the supplied raw water;
a third filter unit 30 for filtering divalent elements, trace elements, bacteria and viruses contained in the raw water filtered by the pre-treatment filter part (P); and
A washing part (C) for automatically supplying washing brine of a certain salinity to the pre-treatment filter part (P) to separate and remove calcium and magnesium adsorbed on the filter media used in the pre-treatment filter part (P);
made up of
The washing part (C) includes a washing brine storage tank (C1), a washing brine supply pipe (C2) interconnecting the pre-treatment filter part (P) and the washing brine storage tank (C1), and the washing brine supply pipe (C2) ) installed on the washing pump (C3), the salinity measuring sensor (C4) installed in the washing brine storage tank (C1) to measure the salinity of the washing brine, and the washing pump (C3) according to the set value of the timer control the operation of the salinity measurement sensor (C4) and control the alarm display unit (C51) to notify the outside when the sensing value of the salinity measurement sensor (C4) is lower than the preset value, and at the same time control to block the supply of raw water to the pre-treatment filter part (P) a controller (C5), a water replenishment pipe (C6) connected to the washing brine storage tank (C1), and a water opening/closing which is installed on the water replenishment pipe (C6) and the operation is controlled by the controller (C5) A valve (C7), a salt storage tank (C8), a salt supply pipe (C9) interconnecting the washing brine storage tank (C1) and the salt storage tank (C8), and installed on the salt supply pipe (C9) It consists of a salt on-off valve (C10) whose operation is controlled by the controller (C5),
The pre-treatment filter part (P) is a first filter unit 10 for filtering impurities and solids contained in the supplied raw water, and filtering bacteria included in the raw water filtered by the first filter unit 10. Consists of a second filter unit 20 for
The washing salt water supply pipe (C2) is connected to the first filter unit (10),
A mixing unit for mixing raw water A filtered by the first and second filter units (10, 20) and raw water B filtered by the first, second and third filter units (10, 20, 30) (40), and a control unit 50 for adjusting the mixing ratio of raw water A and raw water B according to the water quality of the mixed water mixed by the mixing unit 40,
The first filter unit 10 includes two or more first filter tanks 11 and a first raw water supply line ( 12), a first relay line 13 interconnecting the remaining first filter tanks 11 of each of the first filter tanks 11, and each of the first filter tanks 11 connected to each other It consists of a first drain line (14) for draining the internal wastewater washed by the cleaning means (16) installed in the first filter tank (11),
The cleaning means (16) includes a shaft (161) vertically erected in each of the first filter tanks (11), a shaft driver (162) for transmitting forward rotational power to the shaft (161), and the shaft (161). ) a forward rotation support 163 axially coupled to a plurality of forward rotation blades 164 disposed along its longitudinal direction, and a reverse rotation support 165 surrounding the shaft 161 so that the shaft 161 becomes the center. ) and a plurality of reverse rotation blades 166 disposed between each of the forward rotation blades 163 and disposed along the longitudinal direction thereof, and the forward rotation power transmitted to the forward rotation support 163 to the reverse rotation support Automatic supply type agricultural water purifier of a certain salinity, characterized in that it consists of a relay drive unit (167) that converts and transmits reverse rotation power to (165).
delete delete delete delete delete The method of claim 1,
The mixing unit 40 is
It consists of a raw water A drain line 41, a raw water B drain line 42, and a final drain line 43 interconnecting each outlet of the raw water A and raw water B drain lines 41, 42, the final drain line In (43), the raw water A and the raw water B are mixed in the washing brine automatic supply type agricultural water purifier of a certain salinity.

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