KR100856907B1 - Coagulation sedimentation tank and coagulation type wastewater purification device having the same - Google Patents

Abstract

A cohesive sedimentation tank is provided to purify nonpoint source pollutants efficiently by enabling a vehicle to transport the cohesive sedimentation tank, and to minimize volume of pollutants remained after purifying the nonpoint source pollutants, and a cohesion type apparatus for purification of wastewater having the cohesive sedimentation tank is provided. A cohesive sedimentation tank(100) comprises: a body(110) having a storage space formed therein; a wastewater inflow part(111) penetratingly formed on the body to flow wastewater into the body; a flocculant storage part(120) for storing a flocculant; a flocculant supply part(121) for supplying a flocculant from the flocculant storage part; an agitation tank(130) installed in the body to form purified water and sludge by mixing wastewater flown in from the wastewater inflow part with a flocculant supplied from the flocculant supply part; a purified water discharge part(112) penetratingly formed on the body to discharge purified water discharged from the agitation tank; and a sludge settling part(140) formed in a lower part within the body to settle sludge(S) discharged from the agitation tank. The agitation tank has a discharge hole(133) formed in a bottom plate thereof to discharge purified water and sludge. The body has a sludge discharge part(141) formed on a central part of a bottom plate thereof. The cohesive sedimentation tank further comprises a flocculation aid storage part(150) for storing a flocculantion aid, and a flocculantion aid supply part(151) for supplying a flocculation aid from the flocculation aid storage part.

Description

Coagulation sedimentation tank and cohesive wastewater purification device having the same {COHESION TYPE SETTLING TANK AND COHESION TYPE APPARATUS FOR PURIFICATION OF WASTE WATER HAVING THAT}

1 to 8 show an embodiment of the present invention,

1 is a cross-sectional view of a first embodiment of a coagulation sedimentation tank.

2 is a sectional view of a second embodiment of a coagulation sedimentation tank.

3 is a top view of the outflow weir;

4 is a sectional view of a third embodiment of a coagulation sedimentation tank.

5 is a bottom view of the scraper.

6 is a configuration diagram of a first embodiment of the aggregate type wastewater purification apparatus.

7 is a block diagram of a second embodiment of the aggregate type wastewater purification apparatus.

8 is a block diagram of a third embodiment of the aggregate type wastewater purification apparatus.

** Description of the symbols for the main parts of the drawings **

10: transport vehicle 20: trailer

100: coagulation sedimentation tank 110: main body

111: wastewater inlet 112: purified water outlet

113: flow rate control section 114: outflow weir

115: outlet pipe 120: flocculant storage unit

121: flocculant supply unit 130: stirring tank

131: drive motor 132: fan

133: sludge discharge hole 134: sludge guide cover

140: sludge deposition part 141: sludge discharge part

142: drive motor 143: rotating body

144: scraper 150: flocculation aid storage unit

151: coagulation aid supply unit 200: input unit

210: flocculant control unit 220: stirring device control unit

230: flocculation aid control unit 240: sludge discharge unit control unit

250: neutralization tank sludge discharge unit control unit

300: sedimentation tank 310: acupuncture part

320: waste water supply unit 330: pollutant discharge unit

340: partition 400: neutralization tank

410: storage unit 420: neutralization tank sludge discharge unit

430: pH measuring sensor 440: neutralizing liquid discharge unit

500: sludge storage tank 600: dewatering tank

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the field of environment, and more particularly, to a wastewater purification apparatus capable of efficiently purifying wastewater of non-point pollution sources such as construction sites.

The point source is the discharge of pollutants at a fixed point, such as a factory or barn, and the nonpoint source is the discharge of pollutants at a point, such as a construction site.

In the case of point sources, it is necessary to fix the purification equipment, but in the case of nonpoint sources, there is a problem in that fixed purification equipment cannot be installed at each point.

That is, in order to efficiently purify the nonpoint source, it is required to have a structure capable of transporting the purification apparatus by a vehicle, and to reduce the volume of pollutants left after the purification as much as possible.

Until now, no device has been proposed that satisfies all of these requirements.

The present invention has been made to solve the above problems, for the efficient purification of non-point source, it is possible to transport by vehicle, and to provide a flocculation settler to minimize the volume of contaminants left after purification and It is an object of the present invention to provide an agglomerated wastewater purification apparatus.

The present invention in order to achieve the object as described above, the body formed with a storage space therein; A wastewater inlet formed through the body so that the wastewater flows in; A coagulant storage unit for storing a coagulant; A coagulant supply unit for supplying a coagulant from the coagulant storage unit; A stirring tank installed inside the main body such that the wastewater introduced from the wastewater inlet and the coagulant supplied from the flocculant supply unit are mixed to form purified water and sludge; A purified water outlet formed through the main body such that the purified water discharged from the stirring tank flows out; Presents a coagulation sedimentation tank comprising a; sludge deposits formed in the lower portion of the main body so that the sludge discharged from the stirring tank is deposited.

It includes an input unit for receiving the pollution degree information of the waste water by the pre-inspection; It is preferable to further include a flocculant control unit for controlling the amount of flocculant supplied from the flocculant storage unit to the flocculant supply unit by the information of the input unit.

It is preferable that a stirring device is provided inside the stirring tank for promoting stirring of waste water and flocculant.

The stirring device is a drive motor; In addition to the drive by the drive motor, the rotating shaft is formed in the vertical direction; preferably includes a.

An input unit for receiving contamination information of wastewater by preliminary investigation; It is preferable that the input unit further comprises a stirring device control unit for controlling the driving degree of the stirring device.

The stirring tank is preferably formed to discharge the purified water and sludge through the upper opening.

The bottom plate of the stirring vessel is preferably formed with a discharge hole for discharging the purified water and sludge.

As the inside of the main body, it is preferable that the sludge guide cover for guiding the sludge is deposited on the upper side of the stirring tank without being diffused downwardly is spaced upward from the upper opening of the stirring tank.

The purified water outlet is preferably formed above the lower opening of the sludge guide cover.

A coagulation aid storage unit for storing coagulation aids that assist coagulation by the coagulant; It is preferable to further include a flocculation aid supply unit for supplying a flocculation aid from the flocculation aid storage unit to the stirring tank.

An input unit for receiving contamination information of wastewater by preliminary investigation; It is preferable to further include a flocculation aid control unit for controlling the amount of flocculation aid supplied from the flocculation aid storage unit to the flocculation aid supply unit by the information of the input unit.

It is preferable that the sludge discharge part that can be opened and closed is formed in the bottom plate core of the main body, and the sludge deposition part is formed to have a downward slope toward the sludge discharge part.

It is a drive motor; A rotating body driven by the driving motor and having a rotating shaft formed in a vertical direction; It is preferable to further include a; scraper provided in the lower portion of the rotating body to scrape the sludge deposited in the sludge deposition portion.

The scraper is preferably formed to have an inclination with respect to the traveling direction of the rotating body.

An input unit for receiving contamination information of wastewater by preliminary investigation; The sludge discharge part control unit for controlling the opening and closing frequency of the sludge discharge unit by the information of the input unit; preferably further comprises.

The purified water outflow unit is an outflow weir of the U-shaped cross section installed around the upper edge of the main body; In addition to being connected to pass through the outlet weir, the outlet pipe is installed to penetrate the main body; preferably includes.

On the other hand, the present invention is another means for achieving the above object, the flocculation sedimentation tank; And a sedimentation tank having a sedimentation unit formed therein for the sedimentation of the introduced wastewater, a wastewater supply unit for supplying wastewater from the sedimentation unit to the wastewater inlet unit, and a contaminant discharge unit formed to be opened and closed at the bottom plate core. An aggregated wastewater purification apparatus is presented.

The settling tank preferably further includes a partition wall that spatially separates the settling portion and the wastewater supply portion so that the wastewater flows from the settling portion to the wastewater supply portion by overflowing the wastewater.

It is preferable to further include a flow rate control unit for adjusting the flow rate flowing into the waste water inlet.

On the other hand, the present invention is another means for achieving the above object, the flocculation sedimentation tank; A purified water storage unit for storing purified water flowing out of the purified water outlet, a neutralization tank sludge discharge unit configured to be opened and closed at a bottom plate, a pH measuring sensor for measuring pH of the purified water stored in the purified water storage unit, and the pH measurement A neutralization treatment tank having a neutralizing liquid discharge unit for discharging a neutralizing liquid for neutralizing the purified water stored in the purified water storage unit according to the value measured by the sensor. .

A sludge storage tank for storing the sludge discharged from the sludge discharge unit and the neutralization tank sludge discharge unit; It is preferable to further include; a dewatering tank for discharging the dewatered sludge after receiving the sludge supplied from the sludge storage tank.

An input unit for receiving contamination information of wastewater by preliminary investigation; The neutralization tank sludge discharge unit control unit for controlling the opening and closing frequency of the neutralization tank sludge discharge unit based on the information of the input unit.

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

As shown in Figure 1, the flocculation sedimentation tank 100 according to the present invention, the body 110 is formed with a storage space therein; Wastewater inlet 111 formed in the main body 110 so that the wastewater flows; Coagulant storage unit 120 for storing the coagulant; A coagulant supply unit 121 for supplying a coagulant from the coagulant storage unit 120; A mixing tank 130 installed inside the main body 110 such that the wastewater introduced from the wastewater inlet 111 and the coagulant supplied from the coagulant supply unit 121 are mixed to form purified water and sludge; Purified water outlet 112 formed through the main body 110 so that the purified water discharged from the stirring tank 130; It is configured to include; sludge deposition unit 140 formed in the lower portion of the main body 110 so that the sludge discharged from the stirring tank 130 is deposited.

That is, a separate stirring tank 130 is installed in the main body 110 of the flocculation settling tank 100, and the purified water and the sludge (s) are formed as the wastewater and the flocculant meet and mix, and the purified water is a nonpoint source of pollution. It is to be discharged to the area as it is, and only the compressed sludge can be moved to a separate place.

The structure of the coagulation sedimentation tank 100 can be implemented with a structure that is not relatively large, and the volume of sludge, which is a contaminant left after purification, can be minimized, thereby enabling efficient purification of a nonpoint source.

Here, the flocculant refers to a substance that reacts with contaminants such as aluminum sulfate and polyaluminum to promote aggregation.

Since the stirring tank 130 is an important place where the waste water and the coagulant are uniformly mixed with each other, it is preferable that a stirring device is installed inside the stirring tank 130 to promote agitation of the waste water and the coagulant.

Here, the stirring device may be applied to any configuration so as to evenly mix the waste water and the flocculant, the driving motor 131 in Figures 2 and 4; In addition to being driven by the drive motor 131, the rotating shaft is formed in a vertical direction (fan) (132); shows an embodiment including a.

In this case, when the fan 132 is rotated on a horizontal plane, the fluid in the agitator 130 is prevented from flowing upward and downward, and the wastewater and coagulant introduced from the side can be evenly mixed. Do.

In order to allow the wastewater and the coagulant introduced into the stirring tank 130 to be sufficiently mixed and discharged, it is preferable to take a structure in which the purified water and the sludge s are discharged by countercurrent through the upper opening.

In order to prepare for the case where the amount of sludge s is large, it is preferable to take a structure in which a discharge hole 133 for discharging the purified water and the sludge is separately formed in the bottom plate of the stirring tank 130.

In order to allow the sludge discharged through the upper opening of the stirring tank 130 to be deposited without diffusion, as shown in FIG. 4, as the inside of the main body 110, discharged to the upper side of the stirring tank 130. The sludge guide cover 134 for guiding the sludge s is preferably installed.

This should be installed at a predetermined distance upward from the upper opening of the stirring tank 130, so as not to interfere with the discharge of the purified water of the upper opening of the stirring tank 130.

Purified water discharged to the upper opening of the stirring tank 130 remains in the main body 110 of the coagulation sedimentation tank 100 and is discharged through the purified water outlet 112, in order to allow the purified water to flow out without mixing with the sludge, Purified water outlet 112 is preferably formed above the lower opening of the sludge guide cover 134.

Further, as shown in Figures 2 and 3, the purified water outlet 112 has a U-shaped cross-section outflow weir 114 installed around the upper edge of the main body 110; In addition to being connected through the outlet weir 114, the outlet pipe 115 is installed to penetrate the main body 110; when taking a structure including, the process of overflowing the outlet weir 114 before the outflow of the purified water is added. In this process, the remaining sludge may be filtered once more, which is preferable in that a more reliable purification is possible.

Although the object of the present invention can be sufficiently achieved by mixing the flocculant in the wastewater, it is preferable to further mix the flocculent aid that assists the flocculation by the flocculant in terms of increasing the sludge generation efficiency.

Here, the aggregation aid refers to a substance that reacts with contaminants and the flocculant to promote aggregation further, such as sodium alginate.

In order to allow such a coagulation aid to be introduced into the stirring tank 130 together, as shown in FIGS. 1 to 4, a coagulation aid storage unit 150 for storing coagulation aids; It is preferable to take the structure further including; a coagulation aid supply unit 151 for supplying a coagulation aid from the coagulation aid storage unit 150 to the stirring tank 130.

The lower part of the coagulation sedimentation tank 100 is formed with a sludge deposit 140 to deposit the sludge (s), in order to periodically discharge the sludge deposited, the sludge discharge unit 141 in the bottom plate core of the main body 110 It is necessary to be formed as a structure that can be opened and closed, in this case, the sludge deposit 140 is preferably formed to have a downward slope toward the sludge discharge portion 141.

In order for the sludge s deposited in the sludge depositing unit 140 to be smoothly discharged through the sludge discharge unit 141 without being pressed against the bottom surface, as shown in FIGS. 4 and 5, the driving motor 142; A rotating body 143 which is driven by the driving motor 142 and whose rotation axis is formed in a vertical direction; It is preferable to take a structure further including a scraper (144) installed in the lower portion of the rotating body 143, so as to scrape the sludge (s) deposited on the sludge deposition unit 140.

Here, the scraper 144 can achieve the desired purpose only by taking the configuration to scratch the bottom surface by the rotation of the rotating body 143, as shown in Figs. When taking the structure formed so as to be inclined with respect to the advancing direction of 143, the scraped sludge s collect | attaches toward the sludge discharge part 141, It is more preferable.

Hereinafter, a flocculation type wastewater purification system including the flocculation settling tank 100 will be described.

Coagulation sedimentation tank 100 having the above configuration will not be enough to achieve the object of the present invention by itself, but by adding a configuration such as the immersion tank 300, the neutralization treatment tank 400 to be described later constitute a system If so, the effect of more efficient purification of the wastewater is added.

As shown in Figure 6, in the step before the wastewater inlet 111 of the flocculation sedimentation tank 100, by storing the wastewater introduced from the non-point source for a predetermined time, so that the sand and other heavy pollutants are deposited and separated. It is preferable to take the configuration provided with the immersion tank 300 for.

The immersion tank 300, the immersion part 310 formed therein for immersion of the introduced wastewater, wastewater supply unit 320 for supplying wastewater from the immersion unit 310 to the wastewater inlet 111, and the bottom plate It is configured to include a pollutant discharge portion 330 formed to be opened and closed in the core.

The bottom surface of the sedimentation tank in which the contaminants are deposited is also configured to have a downward slope toward the contaminant discharge unit 330 as in the case of the coagulation sedimentation tank 100.

While the wastewater is supplied to the flocculation settling tank 100 through the wastewater supply unit 320, in order to prevent contaminants from being supplied together, the wastewater from the sedimentation unit 310 moves to the wastewater supply unit 320 by the overflow. It is preferable to take a structure in which a partition wall 340 is formed to spatially separate the sand portion 310 and the wastewater supply portion 320.

When the flow rate flowing from the wastewater supply part 320 of the sedimentation tank 300 to the wastewater inlet 111 of the flocculation settling tank 100 is excessive, an excessive amount of wastewater is supplied to the agitation tank 130 to stir with the flocculant. This situation that can not occur sufficiently can occur, it is preferable that the flow rate control unit 113 for properly adjusting the flow rate of the wastewater flowing into the wastewater inlet 111.

The flow rate control unit 113 may be applied to any structure that can reduce or expand an internal space such as a pipe forming the wastewater inlet 111.

In the step after the purification water outlet 112 of the flocculation settling tank 100, it is preferable that a neutralization treatment tank 400 is installed to store the purified water flowing out for a predetermined period so that the sludge remaining therefrom is completely separated by sedimentation. .

The neutralization treatment tank 400 is configured to include a purification water storage unit 410 for storing purified water flowing out of the purification water outlet 112 and a neutralization tank sludge discharge unit 420 formed to be opened and closed at the bottom plate core.

In addition, in order to finally neutralize and discharge the purified water, the pH measuring sensor 430 for measuring the pH of the purified water stored in the purified water storage unit 410, and the purified water storage unit according to the value measured by the pH measuring sensor 430 It is preferable to take the structure provided with the neutralization liquid discharge part 440 which discharge | releases the neutralization liquid for neutralizing the purified water stored in 410.

The sludge discharged from the sludge discharge part 141 of the coagulation sedimentation tank 100 and the neutralization tank sludge discharge part 420 of the neutralization treatment tank 400 may be stored as it is and discarded in another place, but by a separate configuration It is more efficient to transport after minimizing the volume by dehydration once again.

Thus, as shown in Figure 7, 8, the sludge storage unit 500 for storing the sludge discharged from the sludge discharge unit 141 and the neutralization tank sludge discharge unit 420; It is more preferable to take the configuration further including; a dewatering tank 600 for discharging the dewatered sludge after receiving sludge supplied from the sludge storage tank 500.

As shown in FIG. 7, the flocculation settling tank 100, the settling tank 300, the neutralization treatment tank 400, the sludge storage tank 500, and the like are mounted on the transport vehicle 10 and the trailer 20. Possible systems can be implemented.

That is, a waste water storage tank for forming the sedimentation tank 300 is installed in the transport vehicle 10, and the coagulation sedimentation tank 100 and the neutralization tank 400 are installed in the trailer 20 to be towed by the transport vehicle 10. ), A structure for installing the sludge storage tank 500 and the like.

Hereinafter, with reference to FIG. 8, the control system of the aggregation type wastewater treatment apparatus by this invention is demonstrated.

Each component of the flocculation type wastewater treatment apparatus according to the present invention may be directly manipulated by a user's judgment according to a situation, but grasps the pollution degree information of the wastewater in advance by pre-investigation of a nonpoint source, and based on the flocculant or flocculation. When the supply amount of the auxiliary agent, the driving degree of the stirrer (for example, the rotational speed of the fan), the opening and closing frequency of the sludge discharge unit (141, 420) and the like to be controlled automatically, a more efficient system can be configured.

That is, when the pollution degree is large, the sludge discharge parts 141 and 420 are controlled to open and close frequently so as to increase the supply amount of the flocculant or the coagulant aid, so that the driving degree of the agitation device is fast, and when the pollution degree is low, the reverse operation is performed. Can be controlled.

The present embodiment, as shown in Figure 8, the input unit 200 for receiving the pollution degree information of the wastewater by the pre-inspection; By the information of the input unit 200, a coagulant control unit 210 for controlling the amount of coagulant supplied from the coagulant storage unit 120 to the coagulant supply unit 121 can be implemented by a configuration including a.

In the case of controlling the amount of the coagulation aid, the coagulation aid control unit 230 for controlling the amount of coagulation aid supplied from the coagulation aid storage unit 150 to the coagulation aid supply unit 151 by the information of the input unit 200; Is done through.

In the case of the control of the stirring device, by the information of the input unit 200, through the stirring device control unit 220 for controlling the driving degree of the stirring device.

In the case of the control of the sludge discharge unit 141, 420, the sludge discharge unit control unit 240, 250 for controlling the opening and closing frequency of the sludge discharge unit (141, 420) by the information of the input unit 200;

Such control may be implemented in a manner in which the main controller M connected to the input unit 200 controls all of the controllers 210, 220, 230, 240, and 250.

Since the above is merely described with respect to some of the preferred embodiments that can be implemented by the present invention, the scope of the present invention, as is well known, should not be construed as limited to the above embodiments, the present invention described above All of the technical ideas together with the technical idea of the base will be included in the scope of the present invention.

The present invention provides an agglomeration sedimentation tank and an agglomeration type wastewater purification apparatus having the same, which can be carried by a vehicle and minimize the volume of pollutants left after purification for efficient purification of nonpoint source.

Claims (22)

delete A main body having a storage space formed therein; A wastewater inlet formed through the body so that the wastewater flows in; A coagulant storage unit for storing a coagulant; A coagulant supply unit for supplying a coagulant from the coagulant storage unit; A stirring tank installed inside the main body such that the wastewater introduced from the wastewater inlet and the coagulant supplied from the flocculant supply unit are mixed to form purified water and sludge; A purified water outlet formed through the main body such that the purified water discharged from the stirring tank flows out; A sludge depositing portion formed in the lower portion of the main body so that the sludge discharged from the stirring tank is deposited; An input unit for receiving contamination information of wastewater by preliminary investigation; A coagulant control unit for controlling the amount of coagulant supplied from the coagulant storage unit to the coagulant supply unit based on the information of the input unit; Agglomeration sedimentation tank comprising a. delete delete A main body having a storage space formed therein; A wastewater inlet formed through the body so that the wastewater flows in; A coagulant storage unit for storing a coagulant; A coagulant supply unit for supplying a coagulant from the coagulant storage unit; A stirring tank installed inside the main body such that the wastewater introduced from the wastewater inlet and the coagulant supplied from the flocculant supply unit are mixed to form purified water and sludge; A purified water outlet formed through the main body such that the purified water discharged from the stirring tank flows out; A sludge depositing portion formed in the lower portion of the main body so that the sludge discharged from the stirring tank is deposited; An input unit for receiving contamination information of wastewater by preliminary investigation; And a stirring device control unit for controlling the driving degree of the stirring device by the information of the input unit. Inside the stirring tank, a stirring device for promoting agitation of the waste water and the flocculant is installed, The stirring device is Drive motor; And a fan which is driven by the drive motor and has a rotating shaft formed in a vertical direction. delete A main body having a storage space formed therein; A wastewater inlet formed through the body so that the wastewater flows in; A coagulant storage unit for storing a coagulant; A coagulant supply unit for supplying a coagulant from the coagulant storage unit; A stirring tank installed inside the main body such that the wastewater introduced from the wastewater inlet and the coagulant supplied from the flocculant supply unit are mixed to form purified water and sludge; A purified water outlet formed through the main body such that the purified water discharged from the stirring tank flows out; And a sludge depositing portion formed in the lower portion of the main body so that the sludge discharged from the stirring tank is deposited. The stirring tank is formed to discharge purified water and sludge through the upper opening, The bottom plate of the stirring tank, the flocculation settling tank, characterized in that the discharge hole for discharging the purified water and sludge is formed. delete delete A main body having a storage space formed therein; A wastewater inlet formed through the body so that the wastewater flows in; A coagulant storage unit for storing a coagulant; A coagulant supply unit for supplying a coagulant from the coagulant storage unit; A stirring tank installed inside the main body such that the wastewater introduced from the wastewater inlet and the coagulant supplied from the flocculant supply unit are mixed to form purified water and sludge; A purified water outlet formed through the main body such that the purified water discharged from the stirring tank flows out; A sludge depositing portion formed in the lower portion of the main body so that the sludge discharged from the stirring tank is deposited; A coagulation aid storage unit for storing coagulation aids that assist coagulation by the coagulant; A coagulation aid supply unit for supplying a coagulation aid from the coagulation aid storage unit to the stirring tank; Agglomeration sedimentation tank comprising a. The method of claim 10, An input unit for receiving contamination information of wastewater by preliminary investigation; A coagulation aid control unit for controlling the amount of coagulation aid supplied from the coagulation aid storage unit to the coagulation aid supply unit based on the information of the input unit; Agglomeration sedimentation tank characterized in that it further comprises. delete delete delete A main body having a storage space formed therein; A wastewater inlet formed through the body so that the wastewater flows in; A coagulant storage unit for storing a coagulant; A coagulant supply unit for supplying a coagulant from the coagulant storage unit; A stirring tank installed inside the main body such that the wastewater introduced from the wastewater inlet and the coagulant supplied from the flocculant supply unit are mixed to form purified water and sludge; A purified water outlet formed through the main body such that the purified water discharged from the stirring tank flows out; A sludge depositing portion formed in the lower portion of the main body so that the sludge discharged from the stirring tank is deposited; An input unit for receiving contamination information of wastewater by preliminary investigation; And a sludge discharge unit control unit controlling the opening and closing frequency of the sludge discharge unit based on the information of the input unit. The bottom plate core of the main body is formed with an openable sludge discharge portion, And the sludge depositing unit is formed to have a downward slope toward the sludge discharge unit. A main body having a storage space formed therein; A wastewater inlet formed through the body so that the wastewater flows in; A coagulant storage unit for storing a coagulant; A coagulant supply unit for supplying a coagulant from the coagulant storage unit; A stirring tank installed inside the main body such that the wastewater introduced from the wastewater inlet and the coagulant supplied from the flocculant supply unit are mixed to form purified water and sludge; A purified water outlet formed through the main body such that the purified water discharged from the stirring tank flows out; And a sludge depositing portion formed in the lower portion of the main body so that the sludge discharged from the stirring tank is deposited. The purified water outlet portion Outflow weir of the U-shaped cross-section surrounding the upper edge of the main body; An outlet pipe connected to the outlet weir and penetrating the main body; Agglomeration sedimentation tank comprising a. Agglomeration sedimentation tank of any one of claims 2, 5, 7, 10, 11, 15, and 16; A sedimentation tank having a sedimentation unit formed therein for the sedimentation of the introduced wastewater, a wastewater supply unit for supplying wastewater from the sedimentation unit to the wastewater inlet unit, and a contaminant discharge unit formed to be opened and closed at the bottom plate core; Aggregate wastewater purification apparatus comprising a. The method of claim 17, The tide tank And a partition wall that spatially separates the sedimentation portion and the wastewater supply portion so that the wastewater moves from the sedimentation portion to the wastewater supply portion by the overflow of the sedimentation portion. The method of claim 17, Aggregate wastewater purification apparatus further comprises a flow rate control unit for adjusting the flow rate flowing into the waste water inlet. Agglomeration sedimentation tank of any one of claims 2, 5, 7, 10, 11, 15, and 16; A purified water storage unit for storing purified water flowing out of the purified water outlet, a neutralization tank sludge discharge unit configured to be opened and closed at a bottom plate, a pH measuring sensor for measuring pH of the purified water stored in the purified water storage unit, and the pH measurement A neutralization treatment tank having a neutralizing liquid discharge unit for discharging a neutralizing liquid for neutralizing the purified water stored in the purified water storage unit according to the value measured by the sensor; Aggregate wastewater purification apparatus comprising a. The method of claim 20, A sludge storage tank for storing the sludge discharged from the sludge discharge unit and the neutralization tank sludge discharge unit; Dewatering tank for dewatering after receiving the sludge supplied from the sludge storage tank; Aggregate type wastewater purification apparatus further comprising. The method of claim 20, An input unit for receiving contamination information of wastewater by preliminary investigation; A neutralization tank sludge discharge unit control unit controlling the opening and closing frequency of the neutralization tank sludge discharge unit based on the information of the input unit; Aggregate type wastewater purification apparatus further comprising.

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