KR101545448B1 - Water Treatment System For Initial Rain Water - Google Patents

Abstract

The present invention discloses a water treatment system of initial rainwater, which is capable of increasing filtration efficiency of pollutant contained in initial rain water, and discharging washings of a medium and pollutant generated during filtration and washing and a precipitate deposited on the lower part of a filtration room in an efficient and economic manner, by dispersing the initial rain water introduced inside a filtration room in all directions, which does not lean to one direction by dispersion induction and an outflow pipe of initial rain water installed inside the filtration room.

Description

[0001] Water Treatment System For Initial Rain Water [

The present invention relates to an early storm water treatment system, and more particularly, to a water treatment system for an initial stormwater, in which an initial storm that flows into a filtration tank is dispersed in four directions without being swayed to any one side to improve filtration efficiency of contaminants contained in the initial storm, The present invention relates to an early storm water treatment system which enables efficient and economical discharge of filtrate wash water and sediment deposited under pollutants and filtration tanks.

Generally, environmental pollution is mainly caused by people's economy or industrial activities. The source of such pollution is point of pollutant discharge point such as domestic sewage, industrial wastewater and livestock wastewater. , And farmland fertilization. The pollutant discharge point is classified as a dynamic pollution source.

However, the latter nonpoint source is a source of pollutants with a wide range of discharge routes, which mostly remain on the surface of the earth and then enter the river or groundwater due to initial rainfall, causing water pollution. Therefore, in order to prevent the pollution from such a nonpoint pollution source, a facility for purifying the initial pollution is required. As such an initial excellent apparatus, various apparatuses such as the following patent document disclosures have been proposed.

However, in the following Patent Document No. 10-0987316, in cleaning the contaminants contained in the initial rainwater, most of the floating non-point pollutants including oil are separated before the filtration apparatus is introduced, and then the upflow filtration To be purified by the method. In addition, Japanese Patent No. 10-0991492 discloses a natural type early purity purification apparatus through a multi-stage treatment and a purification method thereof.

However, such conventional technologies have described that the purification performance is excellent, the lifetime is improved, and maintenance is easy. However, there is a concern that the void clogging phenomenon may be generated in a part of the filter medium due to a tendency of the initial storm to flow into the filtration tank , Problems such as water quality decay and odor generation, which are secondary water quality pollution caused by water flooding due to no stagnant pollutants being discharged after the end of rainfall, may result in deteriorating the overall filtration efficiency.

In addition, due to these problems, a large amount of sediment is accumulated at the bottom of the filtration tank. However, the technology of the water treatment apparatus shown in the following Patent Document is accompanied with economical difficulties, which require labor and time for discharging the sediment.

Therefore, there is still room for improvement or change in the filtration operation for the contaminants and the discharge of the sediment from the water treatment apparatuses shown in the following patent documents.

1. Domestic Registration No. 10-0987316, 2. Domestic Registration No. 10-0991492

It is an object of the present invention to improve and complement the above-mentioned conventional early storm water treatment apparatus and to provide various additional advantages.

Therefore, in the initial excellent water treatment system according to the present invention, for example, the initial storm that flows into the filtration tank (sedimentation tank) is dispersed to the four sides of the filtration tank in a balanced manner without any leaning toward one side of the filtration tank, The present invention also provides an initial excellent water treatment system capable of efficiently and easily discharging filter material washing water and contaminants generated by a filtering operation and sediment deposited in a lower portion of the treatment water tank.

Another object of the present invention is to provide an early water treatment system capable of preventing clogging of a filter medium by cleaning with supply of compressed air when clogging of a filter medium due to long-term operation occurs.

The object provided according to one aspect of the present invention is achieved by an early storm water treatment system provided in accordance with the present invention.

According to an aspect of the present invention, there is provided an initial storm water treatment system comprising: a pretreatment chamber in which an inlet of an initial storm is formed by partition walls; a filter chamber in which an outlet is formed; and a sediment discharge chamber; And an initial good induction furnace which is installed to be open from the bottom of the filter chamber to the pretreatment chamber and the precipitate discharge chamber so as to communicate with the filtration chamber and the precipitate and the discharge chamber, And an initial good dispersion induction and outflow pipe for introducing the initial rainwater uniformly distributed to the four sides of the filter chamber and discharging pollutants accumulated therein to the sediment discharge chamber through the induction furnace .

In another embodiment, the initial outer dispersion induction and outflow tube is installed vertically to the partition wall 111a from the bottom of the filter chamber, and has an upper and a lower portion communicating with the flow hole 104, A vertical channel section having a cross section forming a vertical guide path and having a cross section or a cross section and a vertical channel section extending from the vertical channel section and extending along the entire length of the filter chamber, A horizontal channel part formed at the bottom part and formed with an induction passage 132b for continuous communication with the guide path 132a and closed at the end by a partition wall 111c, An induction passage 132c communicating with the induction passage 132a is formed in the form of a branch on the entire bottom portion of the filter chamber and the initial rain flowing through the induction passages 132a and 132b A plurality of induction holes provided in the horizontal channel section and the dispersing channel section for guiding the initial storm to the filtration chamber, And an opening / closing door provided to open / close an opening formed in the partition wall 111c so as to communicate with the guide path 132b of the horizontal channel section.

In yet another embodiment, the filter media may comprise an outflow barrier secured to the bottom and a large or small aggregate disposed on the outflow barrier.

In another embodiment, a compressed air discharge pipe for cleaning the filter media may be installed in the lower portion of the filter media.

In another embodiment of the present invention, a separate screen is provided in the interior of the pretreatment chamber opposite to the inlet, and a baffle is provided in front of the flow hole. In the lower portion of the baffle, A ball may be installed.

In another embodiment, a bypass tube may be installed in the sedimentation filter chamber.

According to the present invention, it is possible to provide an effect of increasing the filtration efficiency of the contaminants by the filter material, by allowing the initial contaminants to flow in a balanced manner in four directions of the filtration tank without being flowed in any direction of the filtration tank.

Also, it is possible to efficiently discharge the pollutants generated during filtration, the filter material washing water, and the sediment deposited in the bottom of the filtration tank generated in the upflow filtration facility.

In addition, when clogging of the filter medium occurs due to long-term operation, cleaning of the filter medium by the supply of compressed air can be performed easily and conveniently.

1 is a plan sectional view of an initial storm water treatment system according to the present invention,
Fig. 2 is a side sectional view along the II line direction in Fig. 1,
3 is a sectional view taken along the line II-II of Fig. 2,
4 is a cross-sectional view taken along line III-III in Fig. 2,
FIG. 5 is a partial enlargement of the portion A in FIG. 2,
6 is a partially enlarged sectional view taken along the line IV-IV in Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

 1 is a plan sectional view of an initial storm water treatment system according to the present invention, and Fig. 2 is a side sectional view along a line I-I in Fig.

As shown in the drawings, an initial storm water treatment system 100 according to the present invention includes a water treatment tank 110 of a substantially rectangular-shaped closed concrete structure, which is installed to be buried in the ground have. The water treatment tank 110 is provided with several manholes 113 at the upper part of the water treatment tank 110 for the purpose of entering the inside of the water treatment tank 110 when the inside of the water treatment tank 110 is required to be inspected, The manhole 113 is openably covered with a lid 112 for safety. The water treatment tank 110, which is made of one concrete structure, is divided into the water treatment tanks 110 by the partition walls 111a, 111b, and 111c so that the sedimentation, upflow filtration, The pretreatment chamber 114 and the filtration chamber 115 are partitioned into a pretreatment chamber 114 in which an inlet port 101 is formed, a filtration chamber 115 in which an outlet port 105 is formed, and a sediment discharge chamber 116, And the sediment discharge chamber 116 are formed in a downward stepwise manner descending from the pretreatment chamber 114 to the sediment discharge chamber 116 as shown in FIG.

In the preprocessing chamber 114, an initial storm as described in the prior art can be introduced and stored through the inlet 101. The initial storm that flows into the interior of the pretreatment chamber 114 is filtered by the limpid screen 120 provided at the front of the inlet 101 so as to block the inlet 101 to filter out the floating matter contained in the initial storm. The detail screen 120 includes a bottom plate 121 formed to cross the entire preprocessing chamber 114 and a bottom plate 121 having a width equal to that of the bottom plate 121 and slightly inclined at least toward the inlet port 101 (See FIG. 2) in order to reduce the resistance to the flow of the initial storm that flows into the plates 121 and 122. As shown in FIG. With this configuration, the floating substances contained in the initial rainfall are screened naturally at first. The detail screen 120 may be configured to connect a plurality of elongated bars in place of the plates 121 and 122 to filter the floats (see FIG. 1). In the present invention, (Bar) connected to each other. The bar-linked screen configuration has the advantage of maximizing the screen area provided for removal of floats in confined spaces, and also has the advantage of facilitating removal of floats when using rake-shaped tools.

 The initial clearance screened by the screen 120 flows into the filter chamber 115 adjacent to the preprocessing chamber 114 through the flow hole 104 formed in the partition wall 111a. The baffle 108 installed to cover a part of the entire width of the screen 120 prevents the floating matter that is not filtered by the detailed screen 120 from intruding into the filter 115 as it is, The micropores provided on the lower side of the baffle serve to reduce the flow rate of the initial outflow flowing into the filter chamber 115 and to disperse uniformly, Increase.

The wall 111b is divided into a wall 111b opened downward and the wall 111b extends from the storage chamber 114 to the filter chamber 115 through an opening It is guided to the lower part of the filter media to induce the upward filtration. Also, in the filter chamber 115, an initial good dispersion induction and discharge pipe 130, which is a core technology of the present invention, is installed to uniformly disperse the initial storm into the interior of the filter chamber 115. With reference to this initial best dispersion dispersion induction and discharge pipe 130, the following description will be made with reference to FIGS. 3 and 4. FIG.

Fig. 3 is a sectional view taken along line II-II in Fig. 2, and Fig. 4 is a sectional view taken along line III-III in Fig.

The initial outer dispersion induction and outflow pipe 130 is installed on the partition wall 111a at the same height as the flow hole 104 from the bottom of the filter chamber 115 to form a vertical induction path 132a And a vertical channel section 131 having a U-shaped cross section or an inverted U-shaped cross section. The vertical channel section 131 is provided in a state in which the upper part of the vertical channel section 131 is in an opened state so as to be in contact with the flow hole 104 and is in contact with the partition wall body 111a so that a flow hole 104 is formed between the vertical channel section 131 and the partition wall body 111a And an induction furnace 132a for guiding the initial storm flowing through the vertical channel section 131 to the lower side of the filter chamber 115 is formed. The horizontal channel section 133 corresponding to the entire length of the filter chamber 115 is extended from the vertical channel section 131 forming the guide path 132a so that the horizontal channel section 133, A guide path 132b is formed in the bottom of the filter chamber 115 so as to be in continuous contact with the guide path 132a so as to be connected to the bottom of the guide path 132a So that the flowing initial stagnant flows to the bottom of the filter chamber 115 along the guide path 132a of the filter chamber 115. [ The end of the horizontal channel section 133 is clogged by the partition wall 111c while the guide channel 132b formed by the horizontal channel section 133 is formed by the opening 135 formed in the partition wall 111c So that the initial rain can be discharged through the opening 135 to the interior of the discharge chamber 116, which will be described later, and the opening 135 is blocked to be openable by the opening / closing door 136. The horizontal channel section 133 is provided with a channel section 137 for dispersion for initial initial dispersion at a predetermined interval so that a bottom part of the filter chamber 115 is connected to an induction furnace 132c are formed in the form of a tree so that initial voids flowing through the guide paths 132a and 132b are directed to the bottom of the filter chamber 115 through the guide path 132c of the dispersion- To be dispersed evenly. An induction hole 138 for guiding the initial storm to the filter chamber 115 is installed in the horizontal channel section 133 and the dispersion channel section 137 along the horizontal channel section 133 and the dispersion channel section 137 And serves to uniformly disperse the initial storm into the lower portion of the filter chamber 115. [

The reason why the opening and closing door 136 for opening and closing the opening 135 is provided is that pollutants contained in the initial rainwater are accumulated inside the initial good dispersion induction and discharge pipe 130 during the long- In order to prevent the occurrence of occlusion of the guide hole 138 of the tube 130, it is intended to clean the inside of the initial good dispersion induction and discharge tube 130 by the initial clearance. For example, if the clogging phenomenon is detected by the pollutants accumulated in the interior of the outflow pipe 130 due to the long-term operation and the inside is cleaned, as shown in FIG. 2, When the opening / closing door 136, which has closed the opening 135, is opened in a state filled with a certain amount of the inside of the filter chamber 115, the initial storm in the filter chamber 115 is temporarily transferred through the opening 135 along the dispersion induction / So that the pollutants accumulated in the dispersion induction and discharge pipe 130 are cleanly washed by the water pressure of the washing water and discharged into the adjacent discharge chamber 116 to be collected. When the dispenser of the dispersion induction and discharge pipe 130 is completed, the opening / closing door 136 which has been opened can be closed in its original state. The opening / closing door 136 can be manually operated by an operator, but can be operated by being electrically opened and closed from the outside. Since this configuration is a general configuration, a detailed description thereof will be omitted.

The initial upper dispersion induction of the filter chamber 115 and the initial superior dispersion which is dispersed and flows upwardly from the bottom of the filter chamber 115 through the initial superior dispersion dispersion induction / A filter medium 140 is provided to filter the entire inside of the filter chamber 115. The initial rainwater that is dispersed passes through the filter media 140 and is filtered to remove contaminants. The purified water filtered through the filter media 140 is discharged to the outside through the outlet 105. The filter medium 140 is disposed below the outlet 105 so that only filtered water purified by the filter medium 140 is discharged through the outlet 105. The detailed structure and operation of the filter medium 140 will be described in detail with reference to FIG.

5 is a partial enlargement of the portion A in Fig.

As shown in FIG. 5, the filter medium 140 for filtering contaminants is made of aggregate material 142 having a predetermined height with large and small gravel. The aggregate 142 is stably fixed and supported on the outflow preventing network 143 installed inside the filter chamber 115 to be supported by the partition walls 111b and 111c. The aggregate outflow preventing network 143 can be firmly supported by the supporting beams installed across the partition walls 111b and 111c to stably support the aggregate 142. [ A compressed air discharge pipe 144 provided with an air blowing nozzle 145 for frequently cleaning the aggregate 142 is installed at a lower portion of the aggregate 142 in order to increase the filtration efficiency by the aggregate material 142, And 111c and a stopper 146 is provided at both ends of the compressed air discharge pipe 144 provided so as to penetrate through the walls 111b and 111c ). The installation of the cap 146 prevents the clogging of the compressed air discharge pipe 144 when small foreign substances generated from the aggregate material 142 of the filter media 140 are accumulated in the compressed air discharge pipe 144 , And is used for cleaning the inside of the compressed air discharge pipe (144). When the cap 146 is opened from both ends of the compressed air spouting pipe 144, the inside of the compressed air spouting pipe 144 is completely opened to the outside. The inside of the pipe can be cleanly cleaned by spraying a brush or high-pressure water. An air compressor for injecting compressed air is connected to the compressed air discharge pipe 144. In the drawings of the present invention, the indication thereof is omitted.

The filter medium 140 is dispersed in four directions from the bottom of the filter chamber 115 through the initial high dispersion induction and discharge pipe 130 to allow the initial high pressure to pass therethrough, The filtration media 140 is filtrated and purified, and then discharged through the outlet 105 to the stream. In this process, when the clogging phenomenon is confirmed in the filter medium 140, the contamination adhered to the filter medium 140 is removed by supplying the compressed air through the air blowing pipe 144, thereby improving the filtration efficiency.

The pollutant discharged from the filter chamber 115 to the discharge chamber 116 is discharged to the sewage pipe through the discharge pump 170 and the discharge pipe 172 installed in the discharge chamber 116, do.

Reference numeral 160 denotes a bypass pipe for bypassing the contaminated water flowing into the filter chamber 115 to the upper portion of the filter medium 120 having the outlet 105.

Industrial Applicability The present invention provides industrially useful properties of increasing the filtration efficiency of contaminants during water treatment for initial rainwater, since the initial rainwater is balancedly dispersed and flowed in all directions of the filtration tank without flowing in any direction of the filtration tank, In addition, it effectively discharges pollutants generated in the filter media and sediments deposited in the bottom of the water treatment tank, thereby reducing the unnecessary economic burden of time and labor.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art. Therefore, it should be pointed out that the scope of the present invention is not limited to the described embodiments, but should be construed according to the appended claims.

100: Water treatment system
110: water treatment tank
114: preprocessing room
115: Fruit Fruit
116: Sediment discharge room
120: Detail screen
130: initial good dispersion induction and outflow tube
136: Opening and closing door
140: Filter media
144: air blowing pipe
160: Bypass pipe
170: discharge pump

Claims (6)

delete A pretreatment chamber in which an inlet port of an initial storm is formed by partition walls, a filter chamber in which an outlet port is formed, and a sediment discharge chamber are partitioned in stages; And
And an initial good induction furnace which is open to the pretreatment chamber and the sediment discharge chamber from the bottom of the filter chamber and communicates with the filtration chamber and the sediment and the discharge chamber, And the contaminants accumulated inside the guide passage are guided by the opening of the opening and closing door provided on one side of the guide passage, And an initial good dispersion induction and outflow pipe for discharging the sediment to the sediment discharge chamber,
The initial outer dispersion induction and outflow pipe is installed so as to be supported vertically to the partition wall from the bottom of the filter chamber and has an upper and lower openings communicating with the flow hole 104 of the partition wall 111a A vertical channel section having a cross section forming a vertical guide passage and a vertical channel section extending from the vertical channel section and being laid on a long groove section extending over the entire length along the bottom section of the filter chamber, A horizontal channel section which forms an induction passage 132b which is in continuous communication with the guide passage 132a and which is closed by a partition wall 111c at an end thereof and a horizontal channel section which is installed at a predetermined distance from the horizontal channel section, An induction passage 132c communicating with the induction passage 132a is formed in the form of a branch on the entire bottom portion of the fruit and an initial rain flowing through the induction paths 132a and 132b is formed in the induction passage 132c A plurality of induction holes provided in the horizontal channel section and the dispersing channel section for guiding the initial storm to the filtration chamber, And the opening / closing door is provided to open / close an opening formed in the partition wall (111c) so as to be in communication with the guide path (132b). [3] The water treatment system of claim 2, wherein the filter medium comprises an outflow preventing net fixed to the lower part and a large and small aggregate installed on the outflow preventing net. [3] The system of claim 2, wherein a compressed air discharge pipe for cleaning filter media is installed in the lower portion of the filter media. [5] The apparatus as claimed in claim 4, wherein the pre-treatment chamber is provided with a fine screen at a portion facing the inlet and a baffle at the front of the flow hole, and flow bores are provided at a lower portion of the baffle Excellent water treatment system. [6] The system of claim 5, wherein a bypass pipe is installed in the filter chamber.

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