KR20100020867A - Apparatus for removal of nonpoint source pollutant using slope filter - Google Patents

Abstract

PURPOSE: A nonpoint pollutant removing device for filtering rainwater with inclined plates is provided to easily replace a contaminated filter by installing a plurality of filters with a grip on a filtering tank, and to prevent water contamination. CONSTITUTION: A nonpoint pollutant removing device for filtering rainwater with inclined plates comprises the following: a precipitation tank(20) precipitating nonpoint contaminants of big particles; a filtering bath(30) in which at least one or more filters are inclined to precipitate the contaminants flowed from the precipitation tank; and a discharge bath(40) discharging water by overflow.

Description

Slope plate filtration type non-point pollutant removal device {APPARATUS FOR REMOVAL OF NONPOINT SOURCE POLLUTANT USING SLOPE FILTER}

The present invention relates to a filtration device for filtering non-point contaminants contained in the effluent, and more particularly, inclined plate filtration which can prevent the water pollution of rivers and lakes by filtration and discharge the non-point contaminants that flow out along with the effluent. It relates to a type nonpoint pollutant removal device.

As is well known, nonpoint pollutants are mainly pollutants that are discharged along with surface runoff when it rains, such as fertilizers, pesticides, soil erosion, barn spills, traffic pollutants, urban dust and garbage, and nature. Residues of animals and plants, and air pollutants that fall on the ground.

Nonpoint pollutants caused by rainfall runoff are characterized by large differences in daily and seasonal emissions, difficult prediction and quantification, and are affected by weather conditions, geology, and terrain, which are difficult to artificially control.

In addition, due to the increase of the impermeable layer due to urban development, pollutants contained in rainfall runoff due to the pollution of the air, surface, etc. were introduced into rivers and lakes, resulting in increased water pollution.

In order to solve these problems, conventionally, a device type method using a filter medium, a screen, or a vortex action, a nature-friendly method using a storage facility, an artificial wetland, or a vegetation type facility, agglomeration, sedimentation, biological treatment methods, etc. This is widely used.

Here, the device-type method has to be frequently replaced as the filter medium or the screen is clogged with non-point pollutants, thereby increasing the economic burden and labor costs, there was a problem that the effective treatment of non-point pollutants is difficult.

The present invention has been made to solve the conventional problems as described above, the object of the present invention is to prevent the clogging due to non-point pollutants in advance while filtering and discharge the non-point pollutants flowing out with the effluent stream and It is to provide an inclined plate filter type non-point pollutant removal device that can prevent water pollution of the lake in advance.

In order to achieve the above object, the present invention is provided with an outflow pipe to be discharged by the overflow in the inflow pipe and the outflow water introduced into the inflow pipe, the non-point pollutant of particles having a large specific gravity is primarily Inlet tank to be intimate; A precipitation tank for precipitating non-point pollutants of particles having a large specific gravity flowing out of the inflow tank; A filtration tank in which at least one filtration filter is inclined so as to precipitate while filtering the non-point pollutants introduced from the precipitation tank; The non-point pollutant in the filtration tank is configured to discharge the discharged water by overflow.

Here, the filtration filter is detachably provided to the filtration tank by a detachable means, the detachable means is guide rails provided on both sides of the inner surface of the filtration tank to guide the sliding of both ends of the filter frame surrounding the rim of the filtration filter. Is implemented.

At this time, the filter frame, the handle is provided to grip the filtration filter sliding along the guide rail.

In particular, the filtration filter of the present invention comprises a plurality of porosities varying to sequentially filter non-point contaminants having different particle sizes, and the filtration filter filters the non-point contaminants of large particles introduced from the settling tank while A screen filter for precipitating, a meso screen filter for precipitating non-point contaminants of intermediate particles passing through the screen filter, a fiber filter configured to adsorb and filter non-point contaminants of fine particles passing through the meso screen filter, and the fiber Fiber filters made to adsorb and filter the non-point pollutants of the ultrafine particles passing through the filter are sequentially provided.

In addition, the sedimentation tank, the filtration tank and the outflow tank of the present invention is formed in a container provided with a sedimentation tank partition plate and a filter tank partition plate so that the inflow and outflow of the effluent is possible, wherein the sedimentation tank partition plate An outflow hole is drilled in the upper portion of the outflow water so that the outflow water flows into the filtration tank, and the guide pipe is connected to the outflow hole so that the guide pipe is connected to prevent the outflow of floating water together with the outflow water guided to the outflow hole.

According to the present invention implemented by the above means, the non-point pollutants precipitated and filtered in the sedimentation tank is precipitated and filtered through a multi-stage filter installed inclined in the filtration tank, and then discharged through the discharge tank. Along with the blockage phenomenon, there is a very useful effect that can prevent the water pollution of the charge and appeal in advance.

In addition, the present invention has the effect that it is easy to replace the contaminated filter as a plurality of filters provided with a handle detachably installed in the filter tank.

In addition, since the present invention filters particles having a specific gravity by filtration by primary precipitation in the inflow tank and filtration by secondary precipitation in the filtration tank, there is also an effect that can maximize the filtration effect.

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

Inclined plate filtration type non-point pollutant removal device of the present invention, a precipitation tank 20 for precipitating non-point pollutants of particles having a large specific gravity, the filter filter 32 to precipitate while filtering the non-point pollutants introduced from the precipitation tank 20 Is provided with a filtration tank 30, the discharge tank 40 for discharging the effluent water is filtered by the non-point pollutant in the filtration tank 30 by overflow.

Here, the sedimentation tank 20, the filtration tank 30 and the discharge tank 40, as shown in Figure 1, the sedimentation tank partition plate 52 and the filtration tank partition plate 54 provided in the container 50 is open at the top It is formed by the space divided into, the outlet hole 52a (54a) is formed in the upper portion of the sedimentation tank partition plate 52 and the lower portion of the filter tank partition plate 54 to discharge the outflow water. In addition, the inlet port 56 is provided at an upper portion of the front side of the container 50 so that the outflow water containing non-point pollutants is introduced, and the outlet port 58 is provided at an upper portion of the rear side of the container 50 to overflow the filtered outflow water. Drain it. In addition, the open upper portion of the container 50 is opened and closed by the cover 59, so that the settling tank 20, the filtration tank 30, and the discharge tank 40 can be easily cleaned and the filtration filter 32 can be replaced. .

The sedimentation tank 20 precipitates and filters non-point pollutants of relatively large particles contained in the effluent. That is, the effluent is introduced into the sedimentation tank 20 through the inlet 56, and the non-point pollutants of the particles having a high specific gravity in the inflow water are soaked to the bottom of the sedimentation tank 20 by their own weight. Is passed through the outflow hole (52a) by the flow rate to the filtration tank (30).

In addition, a guide tube 22 is provided at the inlet side of the outlet hole 52a of the settling tank 20 to prevent the floating material from leaking out along with the outflow water guided through the outlet hole 52a. The other end is exposed to the water surface and the other end is connected to the outlet hole 52a to guide the outflow water in the settling tank 20 to be sent to the filtration tank 30 through the outlet hole 52a. Therefore, the outflow water in the settling tank 20 is guided to the guide pipe 22 by the pressure difference and is sent to the filtration tank 30 through the outflow hole 52a, but the suspended matter such as oil contained in the outflow water rises to the water surface and outflows. It is not sent to the filtration tank 30 through the ball 52a.

The filtration tank 30 sequentially filters non-point pollutants introduced from the precipitation tank 20 according to particle size. The filtration tank 30 includes screen filters 33, meso screen filters 34, and fibers having different porosities. The filter 35 and the fine filter 36 are sequentially installed while maintaining an appropriate gap along the flow direction of the effluent, and sequentially filter nonpoint pollutants such as large particles, intermediate particles, and fine particles. 33, 34, 35 and 36 are inclined as shown in FIG. 1 so that non-point pollutants flowing with the effluent are caught between the pores of each of the filters 33, 34, 35 and 36. It does not settle to the bottom of the filtration tank 30.

Here, the screen filter 33 is formed to have a large porosity for filtering large particles of non-point contaminants introduced from the outlet 52a of the settling tank 30, so that the non-point contaminants of the large particles are screen filter 33 Precipitate to the bottom of the settling tank 30 by the) and filtered, the remaining size particles are passed through the screen filter 33.

The meso screen filter 34 is formed to have an intermediate porosity for filtering the non-point contaminants of the intermediate particles that have passed through the screen filter 33, and the non-point contaminants of the intermediate particles are precipitated by the meso screen filter 34. It is filtered while settling to the bottom of the remaining fine particles are passed through the meso screen filter 34.

The fiber filter 35 is formed to have a fine porosity for filtering the non-point pollutant of the fine particles passed through the meso screen filter 34, this fiber filter 35 is made of vegetable coconut fiber material or natural rubber material, Contaminants are adsorbed and filtered. That is, the fiber filter 35 adsorbs fine particles and filters them.

And the fine filter 36 is formed to have an extremely fine porosity for filtering the non-point pollutant of the ultra fine particles passed through the fiber filter 35, this fine filter 36 is a coir felt forming a very dense structure It is preferable to implement with such a filter medium. As a result, the fine filter 36 adsorbs and removes the ultrafine particles.

Each of the above-described filters 33, 34, 35, 36 is detachably installed in the filtration tank 30 by detachable means for easy replacement. The detachable means includes filter frames 33a, 34a, 35a, 36a formed to surround the edges of the respective filters 33, 34, 35, 36, and the filter frames 33a, 34a, 35a. Guide rail 37 is provided to be inclined on both sides of the inner surface of the filtration tank 30 to guide the sliding of both ends of the (36a). In addition, handles 33b, 34b, 35b, and 36b are provided on upper portions of the filter frames 33a, 34a, 35a, and 36a, and are easily replaced in a state of being gripped by hand.

Thus, each filter 33, 34, 35, 36 used for a certain period of time is pulled out while holding the handles 33b, 34b, 35b, 36b, and a new filter 33 ( 34, 35, and 36 are both ends of the filter frames 33a, 34a, 35a, 36a while the handles 33b, 34b, 35b, 36b are gripped. It is replaced by the process of sliding so as to slide along.

Discharge tank 40 is to discharge the effluent filtered non-point pollutants to the river or appeal, such discharge tank 40 is the effluent flowing through the outlet hole 54a formed in the lower portion of the filtration tank 30, It is discharged by overflow through the discharge port 58 formed in the upper back of the container 50. That is, since the particles not filtered in the filtration tank 30 are precipitated to the bottom and only the effluent water at the top is discharged through the discharge port 58, the filtered effluent water is discharged without recontamination in the discharge tank 40.

The process of filtering and removing the non-point contaminants contained in the effluent through the inclined plate filtration type non-point pollutant removal device of the present invention configured as described above will be described in detail with reference to the accompanying drawings.

First, the effluent is introduced into the settling tank 20 through the inlet 56 of the container 50, the non-point contaminants of the particles having a large specific gravity contained in the effluent settle to the bottom of the settling tank 20 by its own weight and filtered. Therefore, the outflow water in the upper layer is sent to the filtration tank 30 through the guide pipe 22 and the outflow hole 52a. At this time, since the side-floats such as oils contained in the outflow water rises to the water surface, the outflow through the outflow hole 52a is prevented.

Thus, the effluent flowing into the filtration tank 30 passes through the screen filter 33, the meso screen filter 34, the fiber filter 35, and the fine filter 36 in sequence, and the large particles, the intermediate particles, the fine particles, and the poles. Nonpoint contaminants of fine particles are filtered sequentially.

That is, the non-point pollutants flowing through the filtration tank 30 at a constant flow rate are precipitated to the bottom by the respective filters 33, 34, 35, and 36 installed inclined, and thus, as the non-point pollutants precipitate, the respective filters are filtered. (33) (34) (35) (36) continue to filter nonpoint pollutants without clogging.

Subsequently, the outflow water filtered by the filtration tank 30 flows into the lower portion of the discharge tank 40 and is discharged to the river or the lake by overflow.

Therefore, the non-point contaminant filtration device of the present invention filters the non-point contaminant contained in the effluent by precipitation in the settling tank 20 and filters (33) (34) (35) (36) of the multistage in the filtration tank (30). After filtration, as it is discharged through the discharge tank 40, to prevent the water pollution of the rivers and lakes.

In particular, the present invention is filtered while the non-point pollutant is precipitated through the multi-stage filter 33, 34, 35, 36 installed inclined, so as to filter 33, 34, 35, 36 as in the prior art Blocking of non-point contaminants is prevented.

On the other hand, Figure 3 is a cross-sectional view showing another embodiment of the present invention, another embodiment of the present invention, the inflow pipe 12 and the outflow water flowing into the inflow pipe 12, the outflow water is overflowed An inflow tank 10 provided with an outlet pipe 14 so as to be discharged by a furnace, a settling tank 20 for precipitating non-point pollutants of particles having a large specific gravity discharged from the inflow tank 10, from the settling tank 20 Filtration tank 30 is provided with a filtration filter 32 to precipitate the incoming non-point pollutants while filtering, the discharge tank 40 for discharging the effluent from which the non-point pollutants are filtered by the overflow by the overflow (40) It is composed.

Another embodiment of the present invention is characterized in that it further comprises an inlet tank 10 is provided with an inlet pipe 12 and the outlet pipe 14, the inlet pipe 12 in the upper front of the inlet tank 10 Is provided with the effluent flows in, the top of the rear of the inflow tank 10 is provided with an outlet pipe 14 to be connected to the inlet 56 of the settling tank 20 to flow out the effluent by overflow.

In addition, the outflow water introduced into the inflow pipe 12 is primarily precipitated by non-contaminant particles having a relatively high specific gravity by its own weight, and the outflow water from the upper portion of the inflow tank 10 flows out due to overflow.

That is, the inflow tank 10 induces a primary precipitation to sink the bottom portion of the non-point pollutants in the effluent by its own weight, the sedimentation tank 20 is a secondary precipitation of the non-point pollutants contained in the effluent. To induce.

Therefore, as the effluent is sequentially proceeded by the primary precipitation by the inflow tank 10 and the secondary precipitation by the precipitation tank 20, the filtration effect is maximized.

The above description is only to describe one preferred embodiment of the present invention, the present invention is not limited to the above description, it will be obvious to those skilled in the art that various modifications can be made within the appended claims.

1 is a side cross-sectional view according to an embodiment of the present invention.

Figure 2 is an exploded perspective view illustrating the decomposition of the filtration tank and the filter according to an embodiment of the present invention.

Figure 3 is a side cross-sectional view according to another embodiment of the present invention.

♠ Explanation of symbols for the main parts of the drawing ♠

10: inflow tank 20: sedimentation tank

22: guide tube 30: filtration tank

32: filtration filter 37: guide rail

40: discharge tank 50: container

59: cover

Claims (9)

In the inclined plate filter type non-point pollutant removal device for filtering and removing non-point pollutants contained in the effluent, A precipitation tank for precipitating nonpoint pollutants of particles having a high specific gravity contained in the effluent; A filtration tank in which at least one filtration filter is inclined so as to precipitate while filtering the non-point pollutants introduced from the precipitation tank; A discharge tank discharging the effluent from which the non-point pollutant is filtered in the filter tank by overflow; Inclined plate filtration type non-point pollutant removal device comprising a. In the inclined plate filter type non-point pollutant removal device for filtering and removing non-point pollutants contained in the effluent, An inflow pipe having an inflow pipe through which the outflow water flows in and an outflow water flowing into the inflow pipe so as to flow out by an overflow; A precipitation tank for precipitating non-point pollutants of particles having a large specific gravity discharged from the inflow tank secondly; A filtration tank in which at least one filtration filter is inclined so as to precipitate while filtering the non-point pollutants introduced from the precipitation tank; A discharge tank discharging the effluent from which the non-point pollutant is filtered in the filter tank by overflow; Inclined plate filtration type non-point pollutant removal device comprising a. The method according to claim 1 or 2, The filtration filter is provided detachably to the filtration tank by a detachable means, The detachable means is inclined plate filtration-type non-point pollutant removal device, characterized in that consisting of guide rails provided on both sides of the inner surface of the filtration tank to guide the sliding of both ends of the filter frame surrounding the rim of the filtration filter. The method of claim 3, wherein The filter frame, inclined plate filtration type non-point pollutant removal device, characterized in that the handle is provided to grip the filtration filter sliding along the guide rail. The method according to any one of claims 1 to 3, The filtration filter is inclined plate filtration type non-point pollutant removal device, characterized in that made of a plurality of different porosity to sequentially filter the non-point pollutant with different particle size. The method of claim 5, The filter tank, the screen filter for precipitating the large particles of non-point contaminants introduced from the settling tank, the meso screen filter for precipitating while filtering the non-point contaminants of the intermediate particles passed through the screen filter, the meso screen filter An inclined plate filtration type non-point pollutant removal device, characterized in that the fiber filter is configured to sequentially adsorb and filter the non-point pollutant of one fine particle. The method of claim 6, The filtration tank, the inclined plate filtration type non-point pollutant removing apparatus further comprises a fiber filter configured to adsorb and filter the non-point pollutant of the ultrafine particles passing through the fiber filter. The method according to claim 1 or 2, The settling tank, the filtration tank and the outlet tank, The inclined plate filter type non-point pollutant removal device, characterized in that formed in the container provided with the inlet and outlet so that the inflow and discharge of the effluent is partitioned by the settling partition plate and the filter partition plate. The method of claim 8, Outflow holes are drilled in the upper part of the sedimentation tank partition plate to discharge the outflow water into the filtration tank, and the guide pipe is connected to the outflow hole so as to prevent the outflow of floating water together with the outflow water guided to the outflow hole. Inclined Plate Filtration Nonpoint Pollutant Removal Device.

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