KR101527005B1 - A pollutant purification apparatus - Google Patents

Abstract

The present invention relates to a polluted water purification apparatus, and more particularly, to a polluted water purification apparatus that includes a third chamber for separating and removing particulate contaminants having a specific gravity smaller than that of water by moving the inflowing polluted water sloping from bottom to top; A fourth chamber through which the contaminants in the contaminated water flowing through the third chamber are filtered out through at least one filter, a fifth chamber through which the treated water filtered through the fourth chamber is introduced; A compressed air supply unit for supplying compressed air to the fourth chamber; A backwash pump which supplies the treated water flowing into the fifth chamber back to the fourth chamber; A first valve for opening / closing the contaminated water flow from the third chamber to the fourth chamber; A second valve that opens and closes the process water transfer from the fourth chamber to the fifth chamber; A third valve for opening and closing compressed air movement from the compressed air supply to the fourth chamber; And a fourth valve for opening and closing the process water from the fifth chamber to the fourth chamber through the backwash pump, wherein the compressed air supply unit opens the third valve and the first valve, Separating the solids attached to the surface of the filtration filter by injecting compressed air into the fourth chamber by the confinement of the second valve and the fourth valve, By injecting the treated water in the fifth chamber into the fourth chamber by the confinement of the one valve, the second valve and the third valve, the treated water is passed back through the filtration filter to wash the separated solids .
Thus, the polluted water purification apparatus can recover the deterioration of the filtration function of the filtration filter without replacing the separate filtration filter.

Description

[0001] The present invention relates to a pollutant purification apparatus,

The present invention relates to a polluted water purification apparatus.

In general, water pollution sources can be classified into point pollution sources and nonpoint pollution sources. Here, the point pollution source means a pollutant source that can be designated as a point, and the point pollution source such as household sewage and factory wastewater can easily handle the pollutant movement route.

On the other hand, the nonpoint pollution source, which is opposite to this, is a contamination source of rainwater mixed with pollutants on the ground surface during rainfall and does not show a constant movement route.

In the case of nonpoint sources occurring mainly during rainfall, the initial stormwater effluent from which surface contaminants flow out at the beginning of rainfall has a very high concentration of contaminants, and especially in urban areas containing various toxic substances such as heavy metals Which adversely affects the initial storm water runoff.

In order to prevent water pollution due to the leakage of such non-point pollution sources, there is a need for a purification apparatus capable of efficiently purifying polluted water containing many kinds of pollutants. Prior art documents on the technology include a " non-point polluted water purification apparatus "(hereinafter referred to as " prior art ") of Korean Patent Publication No. 10-1147021.

In such a conventional technique, a pollutant having various particle sizes is efficiently filtered through a filter having a structure in which a plurality of filtration layers are laminated, thereby purifying non-point polluted water.

However, this conventional technique repeatedly repeats the process of filtering various kinds of pollutants contained in the polluted water through the filter, so that the pollutants are adhered or clogged on the surface of the filter to lower the filtering function of the filter, It is possible to reduce the functional efficiency of the system.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide a technique for removing a contaminant attached to a filter without cleaning the filter, .

In order to attain the above object, a pollution control apparatus of the present invention comprises: a third chamber for separating and removing particulate contaminants having a specific gravity smaller than that of water by moving intake water from an upper side to a lower side; A fourth chamber through which the contaminants in the contaminated water flowing through the third chamber are filtered out through at least one filter, a fifth chamber through which the treated water filtered through the fourth chamber is introduced; A compressed air supply unit for supplying compressed air to the fourth chamber; A backwash pump which supplies the treated water flowing into the fifth chamber back to the fourth chamber; A first valve for opening / closing the contaminated water flow from the third chamber to the fourth chamber; A second valve that opens and closes the process water transfer from the fourth chamber to the fifth chamber; A third valve for opening and closing compressed air movement from the compressed air supply to the fourth chamber; And a fourth valve for opening and closing the process water from the fifth chamber to the fourth chamber through the backwash pump, wherein the compressed air supply unit opens the third valve and the first valve, Separating the solids attached to the surface of the filtration filter by injecting compressed air into the fourth chamber by the confinement of the second valve and the fourth valve, By injecting the treated water in the fifth chamber into the fourth chamber by the confinement of the one valve, the second valve and the third valve, the treated water is passed back through the filtration filter to wash the separated solids .

A first chamber for separating and removing particulate contaminants having a specific gravity larger than that of water in the contaminated water by centrifugally separating the inflowing polluted water; A sludge pump connected to the first chamber and treating a deposit under the first chamber; And a second chamber that separates and removes contaminants in the liquid phase having a specific gravity lower than that of water and is inexpensive, out of the contaminated water flowing into the first chamber, and then discharges the contaminated material into the third chamber.

The first chamber has a rotation guide plate provided on both side walls of the first chamber so as to have a predetermined angle from the wall surface so as to centrifugally separate contaminated water flowing through the first chamber.

The fourth chamber may be disposed below the filtration filter and may include compressed air supplied from the compressed air supply unit for washing the filtration filter and treated water in the fifth chamber provided through the backwash pump. A first drainage device to be injected; And a second collecting and discharging device installed above the filtering filter and discharging the compressed air injected through the first collecting and draining device and the solid matter separated and washed by the treating water and the washing water.

Here, the second drainage device is provided in the form of a water channel, and the separated and washed solid matter and the washing water are discharged into the first chamber.

The fourth chamber may further include a water level sensor for sensing a level of the contaminated water flowing into the fourth chamber from the third chamber, Detects the water level of the water, and closes the first valve and the second valve through a signal.

And a sixth chamber for discharging the treated water flowing into the fifth chamber.

According to the present invention, the polluted water purification apparatus can recover the deterioration of the filtration function of the filtration filter without replacing the separate filtration filter.

In addition, according to the present invention, it is possible to effectively separate and purify various pollutants mixed in the polluted water with only one purifier.

1 is a front view showing a polluted water purification apparatus according to an embodiment of the present invention.
2 is a plan view showing a polluted water purification apparatus according to an embodiment of the present invention.
FIG. 3 shows a water flow direction when polluted water is purified according to an embodiment of the present invention.
FIG. 4 shows the direction of air flow when compressed air is injected according to an embodiment of the present invention.
Figure 5 illustrates the direction of water flow when the filter is cleaned according to an embodiment of the present invention.

The preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings, in which the technical parts already known will be omitted or compressed for the sake of brevity.

1. Description of components of the pollution control device

Referring to FIGS. 1 and 2, a pollution control device of the present invention will be described. The pollution control device includes a first chamber 110; A second chamber 120; A third chamber 130; A fourth chamber 140; A fifth chamber 150; A sixth chamber 160; A sludge pump 170; Compressed air supply (A); Backwash pump 180; A first valve 191; A second valve 192; A third valve 194; And a fourth valve 195.

The first chamber 110 separates and removes particulate contaminants having a specific gravity larger than that of water in the contaminated water by centrifugally separating the contaminated water.

The first chamber 110 is provided with a rotation guide plate 111 at a predetermined angle on both side surfaces of the first chamber 110 so that the contaminated water flowing in the first chamber 110 is rotated to perform centrifugal separation.

In addition, a contaminated water inlet pipe (not shown) may be formed on one side wall of the first chamber 110, and contamination contaminated by the second chamber 120 may be introduced into the other side wall adjacent to the second chamber 120. A first outflow pipe 112 for discharging water may be formed.

The first chamber 110 is connected to the sludge pump 170 so that sediments in the lower portion of the first chamber 110 can be connected to the sludge pump 170 through a sewage pipe or a combined pipe.

The second chamber 120 separates and removes contaminants such as oil, which are low in specific gravity and less cost than water in the contaminated water that has been subjected to centrifugal separation introduced from the first chamber 110. The water having a large specific gravity is separated in the lower layer and the oil having a small specific gravity is separated in the upper layer through the second outlet pipe 121 formed on one side of the second chamber 120 which is in contact with the third chamber 130 The layer of water flows upward and flows out to the third chamber 130.

The third chamber 130 separates and removes particulate contaminants having a specific gravity smaller than that of water by moving the contaminated water flowing from the second chamber 120 obliquely upward from the lower side.

Here, the third chamber 130 includes at least one swash plate 131 attached to both side walls to move the inflowing water from the lower side to the upper side. The lower end of the swash plate 131 is disposed on the upper side at a predetermined distance from the bottom surface of the third chamber 130 and the swash plate 131 located closest to the fourth chamber 140 has a lower end, And is attached to the bottom surface of the chamber 130.

Therefore, the contaminated water flowing from the second chamber 120 is moved upward only from the lower side of the swash plate 131, and through this process, the particulate water having a specific gravity smaller than that of the mixed water in the contaminated water, As pollutants settle, the polluted water is purified.

The fourth chamber 140 filters out contaminants in the contaminated water flowing from the third chamber 130 through at least one filter 141. Here, the filtration filters 141a and 141b are provided at a predetermined interval from the bottom surface of the fourth chamber 140, and such a filtration filter may be variously provided according to the purpose.

In other words, the pollutants are various such as particulate pollutants such as soil and sand, liquid pollutants having less specific gravity than water such as oil, metals, organic substances, etc., and the fourth chamber 140 includes the previous chambers 110, A filtering filter 141 made of a porous filter material such as sand, gravel, anthracite, zeolite, or activated carbon is laminated in several layers in order to efficiently remove contaminants that have not effectively been removed from the filter Located.

A first drainage device 143 is formed below the filtration filter 141b. The first drainage device 143 is formed of a strainer plate or a plurality of pore blocks. On the upper side of the filtration filter 141a, A drainage device 145 is formed.

Here, when the first drainage device 143 is formed of a plurality of pore blocks, as shown in the enlarged part of FIG. 1, the material introduced into the first drainage device 143 moves through the plurality of holes formed in the slope surface and the upper surface, Ensure that evenly loaded material is discharged.

1 and 2, the water collected in the first chamber 110 (see FIG. 1) is raised to a predetermined height of the fourth chamber 140 by being positioned on the upper side of the filtration filter 141b, As shown in FIG.

In addition, a first valve 191 for opening / closing the movement of the contaminated water is formed on the contact surface between the third chamber 130 and the fourth chamber 140.

1, the compressed air is supplied to the fourth chamber 140, and more specifically, the compressed air is injected into the first drainage unit 143 to be supplied to the filtration filters 141a and 141b. To generate a collision between the solids attached to the surface.

Here, the compressed air supply A includes a third valve 194 for opening and closing the compressed air movement to the fourth chamber 140.

In the fifth chamber 150, the filtered process water is introduced and stored through the fourth chamber 140. In addition, a second valve 192 for opening and closing the movement of the process water is formed on the contact surface between the fourth chamber 140 and the fifth chamber 150. More specifically, as shown in FIG. 1, the second valve 192 controls the movement of the filtered water filtered through the filter filters 141a and 141b, It is preferable that the fourth chamber is formed on the contact surface between the lower portion of the fourth chamber and the fifth chamber.

A transfer passage for transferring the treated water stored in the fifth chamber 150 to the fourth chamber 140 is additionally provided between the fourth chamber 140 and the fifth chamber 150, The movement is effected by the backwash pump 180.

The backwash pump 180 is provided in the space connecting the fourth chamber 140 and the fifth chamber 150 and serves as a means for supplying the treated water stored in the fifth chamber 150 back to the fourth chamber 140 , More specifically, the first treatment water is supplied to the first drainage device 143 and the treatment water passes through the filtration filters 141a and 141b as the amount of the treated treatment water increases, The separated solids are washed.

The filtration filters 141a and 141b are cleaned by the treated water and the compressed air so that the wash water and the washed solids formed on the upper side of the fourth chamber 140 are discharged through the second drainage unit 145 to the first chamber 110).

A fourth valve 195 is formed in the moving passage provided for the movement of the process water from the fifth chamber 150 to the fourth chamber 140 through the backwash pump 180 to open and close the movement of the process water have.

The sixth chamber 160 discharges the treated water stored in the fifth chamber 150 through all filtering processes. 1, a flow meter F is provided in the sixth chamber 160. When the degree of the flow rate in the sixth chamber 160 exceeds a preset flow rate of the treated water, The discharge of the treated water can be performed.

2. Operation type of polluted water purification apparatus

(1) Purification process

3, the first valve 191 and the second valve 192 are opened and the fourth valve 194 and the fifth valve 195 are closed The process of polluting water purification proceeds.

The contaminated water flowing into the first chamber 110 is centrifugally separated through the first chamber 110 to remove particulate contaminants having a specific gravity larger than that of the water and has a specific gravity lower than water through the second chamber 120 Contaminants in the liquid phase are removed and the contaminated water moved from the lower side to the upper side of the swash plate 131 through the third chamber 130 is removed by precipitating particulate contaminants having a specific gravity smaller than that of water.

The contaminated water flowing into the fourth chamber 140 by the opening of the first valve 191 passes through the filtration filters 141a and 141b to the remaining chambers 110, 120 and 130, The substances are efficiently removed in accordance with the characteristics, and the filtered process water is discharged to the lower portion of the filter filters 141a and 141b.

The filtered water thus processed is transferred to the fifth chamber 150 and then stored in the sixth chamber 160 and discharged when the flow rate exceeds the predetermined flow rate.

In addition, a series of the purification processes in which the inflowing polluted water is filtered by the treated water and the thus-formed treated water is discharged according to a certain criterion, is repeatedly performed so that the filtration of the filtered filters 141a and 141b, The pollutants are blocked on the surface of the layer to lower the functional efficiency. As a result, the polluted water to be transferred to the lower portion of the fourth chamber 140 can not be moved downward, The water level will increase.

In this case, the water level sensor 147 installed at a predetermined height in the fourth chamber 140 senses the level of the contaminated water and performs the following filtering filter cleaning process for recovering the function of the filtering filters 141a and 141b Thereby advancing the closing of the first valve 191 and the second valve 192 through the signal.

(2) Filtration filter cleaning process

Referring to FIGS. 4 to 5, the filtration filter cleaning process is sequentially performed through the compressed air injection process and the process water injection process. In the compressed air injection step, the first valve 191, the second valve 192 and the fourth valve 195 are closed and the third valve 194 is opened. 191), the second valve 192 and the third valve 194 are closed, and the fourth valve 195 is opened.

As a result of repeating the purification process which has been generally progressed, various contaminants are adhered to the surface of the filter 141 provided in the fourth chamber 140, so that the surface of the filter layer is closed and the filtration efficiency Is selectively made for the recovery of the filtering function.

That is, the water level sensor 147 installed in the fourth chamber 140 senses at a predetermined height that the movement path of the contaminated water is blocked due to the repeated purification process, The first valve 191 and the second valve 192 are closed so that the water level of the filtration filters 141a and 141b is not increased and the compressed air injection step and the treatment water injection step are sequentially performed to recover the function of the filtration filters 141a and 141b.

As shown in FIG. 4, the compressed air supply unit A through the opened third valve 194 injects compressed air into the first drainage unit 143 in the fourth chamber 140, The compressed air causes a collision between the filtration filters 141a and 141b, and as a result separates the solids attached to the surfaces of the filtration filters 141a and 141b.

The separated solids are located above the filtration filters 141a and 141b, and a process water injection process is performed for complete circulation removal.

5, the filtered water, which has been stored in the fifth chamber 150 by the opened fourth valve 195, is transferred to the fourth chamber 140 and discharged to the first drainage device 143 ). The backwash pump 180 is located in the travel path for this backward feed.

Accordingly, the treated water injected into the first drainage device 143 passes through the filtration filters 141a and 141b to move upward, and not only includes the separated solids, but also the filtrate of the filtration filters 141a and 141b The cleaning function is performed at the same time.

As a result, the filtration filters 141a and 141b are washed, and the wash water and the solids formed are moved to the second water drainage device 145 formed above the filtration filters 141a and 141b, and the second water drainage device (145) moves the wash water and solids into the first chamber (110).

The washing water and the solids that have moved to the first chamber 110 are collected and stored together with the sediments under the first chamber 110 and are connected to each other through a sluice pump or a sewer pipe through a sludge pump 170, It may be moved to the sewage treatment facility.

The embodiments disclosed in the present invention are not intended to limit the scope of the present invention but to limit the scope of the technical idea of the present invention. The scope of protection is to be construed in accordance with the following claims, and all technical ideas within the scope of equivalents thereof should be construed as being included in the scope of the present invention.

110: first chamber
111: rotation guide plate
112: first outflow pipe
120: Second chamber
121: Second outflow pipe
130: Third chamber
131: swash plate
140: fourth chamber
141a, 141b: filtration filter
143: First drainage device
145: Second house drainage system
147: Level sensor
150: fifth chamber
160: Sixth chamber
170: sludge pump
180: Backwash pump
191: first valve
192: second valve
194: third valve
195: fourth valve
A: compressed air supply
F: Flowmeter

Claims (7)

A first chamber for separating and removing particulate contaminants having a specific gravity larger than that of water in the contaminated water by centrifugally separating the inflowing polluted water;
A sludge pump connected to the first chamber and treating a deposit under the first chamber; And
A second chamber for separating and removing pollutants in a liquid phase having a specific gravity lower than that of water among the polluted water flowing in from the one chamber;
A third chamber for separating and removing particulate contaminants having a specific gravity smaller than that of water by moving obliquely the polluted water flowing from the second chamber upwardly from below;
A fourth chamber for filtering contaminants in the contaminated water flowing through the third chamber through at least one filter;
A fifth chamber through which the treated water filtered through the fourth chamber flows;
A compressed air supply unit for supplying compressed air to the fourth chamber;
A backwash pump which supplies the treated water flowing into the fifth chamber back to the fourth chamber;
A first valve for opening / closing the contaminated water flow from the third chamber to the fourth chamber;
A second valve that opens and closes the process water transfer from the fourth chamber to the fifth chamber;
A third valve for opening and closing compressed air movement from the compressed air supply to the fourth chamber; And
And a fourth valve that opens and closes the process water transfer from the fifth chamber to the fourth chamber via the backwash pump,
Wherein the compressed air supply unit injects compressed air into the fourth chamber by opening of the third valve and closing of the first valve, the second valve and the fourth valve, so that the solids attached to the surface of the filter Lt; / RTI >
The backwash pump injects treated water in the fifth chamber into the fourth chamber by opening of the fourth valve and closing of the first valve, the second valve and the third valve, And passing the filtration filter back through to wash the separated solids
Contamination water purification device.
delete The method according to claim 1,
Wherein the first chamber has a rotation guide plate provided on both side walls so as to have a predetermined angle from the wall surface so as to centrifugally separate the inflowing polluted water through rotational motion
Contamination water purification device.
The method according to claim 1,
Wherein the fourth chamber comprises:
A first collecting drain installed in the lower part of the filtration filter to receive the compressed air provided from the compressed air supplying part and the treated water in the fifth chamber provided through the backwash pump for washing the filtering filter; And
And a second collecting and discharging device installed above the filtration filter and discharging the compressed air injected through the first collecting and draining device and the solid matter separated and washed by the treating water and the washing water,
Contamination water purification device.
5. The method of claim 4,
Wherein the second drainage unit is provided in the form of a water channel and discharges the separated washed solid and the wash water into the first chamber
Contamination water purification device.
5. The method of claim 4,
Wherein the fourth chamber comprises:
And a level sensor for sensing the level of the contaminated water flowing into the fourth chamber from the third chamber,
Wherein the level sensor senses the level of the contaminated water at a predetermined position in the four chambers and closes the first valve and the second valve through a signal
Contamination water purification device.
The method according to claim 1,
And a sixth chamber for discharging the treated water flowing into the fifth chamber
Contamination water purification device.

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