KR102008798B1 - Device for water treatment improved the removalefficiency of T-N AND T-P - Google Patents

Abstract

The present invention relates to a wastewater purification apparatus with an improved total phosphorus and total nitrogen removal efficiency using a bio-filter, which comprises: a sedimentation tank (10); a flow rate control tank (20) for expanding the proliferation of microorganisms; an anaerobic tank (30) for inducing emission of phosphorus; an oxygen-free tank (40) for removing nitrogen; a first aeration tank (50) for purifying medium water; second and third aeration tanks (60, 70); a settling tank (80); and a sludge concentration tank (90) for receiving and storing fine solid sludge.

Description

Device for water treatment improved the removalefficiency of T-N AND T-P using bio filtration filter

The present invention relates to a wastewater purification device using a bio filtration filter, and more particularly, by dividing the oil and solid sludge of the wastewater by a specially prepared strainer, the microbial culture is secured after securing a predetermined secondary water. Wastewater purification that improves the total nitrogen removal efficiency by using a biofiltration filter that provides rapid and excellent purification power by aeration of a few times in an aeration tank equipped with an excellent functional carrier and a biofilter that allows simultaneous execution of acid and filtration. Relates to a device.

Recently, due to the rapid urban concentration and industrial development of the population, the pollution degree of urban sewage and industrial wastewater is drastically reduced. Accordingly, various types of waste and wastewater purification devices and purification methods have been proposed.

As an example of a waste water purification apparatus, Korean Patent Application Publication No. 20-2006-0018786 discloses a "fine sewage treatment apparatus for wastewater treatment", and the technology surrounds an outlet of a pipeline through which wastewater is introduced. A screen for filtering the fine particles contained in the wastewater and wastewater, a drive means for infinitely rotating the chain and the screen, and fine particles falling from the screen while rotating indefinitely by the drive means. Consists of a screw press to remove fine contaminants from waste water.

However, the above technique is merely to purify the fine contaminants.

The following is a purification apparatus that can attempt to purify water and remove odors by using microorganisms while separating solid contaminants and liquid contaminants from waste and waste water, respectively. Microbial eco-friendly biofilter ".

The above technical concept is a liquid liquid manure collection tank solid-liquid separated from the manure; and aeration tank for inducing a liquid aerobic process by processing aerobic or anaerobic treatment for wastewater treatment by receiving liquid manure and causing a biological reaction by microbial culture. , A liquid fertilizer storage tank receiving continuous processed liquid fertilizer or treated water from the aeration tank so as to be supplied to the farmhouse as needed in a predetermined amount; and a compost manufacturing facility for ripening the separated powder in a solid state; In addition, the aeration tank and the liquid aeration tank consists of a synthetic resin material alternately arranged several filter members arranged downward in a straight line from the top to the bottom to provide a space for the microbial liquid fertilizer introduced from the liquid manure collection tank It is configured to be repeatedly sprayed on the filter member.

As described above, a purifier has been developed that actively improves water quality using microorganisms. However, in recent years, as the diet of modern people follows Western culture, high concentration wastewater containing a large amount of oil is generated, increasing the treatment time of wastewater, Problems such as deterioration occurred.

Therefore, there is an urgent need for a purification device capable of more quickly and completely purifying high concentration wastewater containing oil.

Korean Patent Publication No. 20-2006-0018786 "Sweeping device for treating fine contaminants in sewage and wastewater treatment" Patent Registration No. 10-1497273 "Environmentally sealed microbial eco-friendly biofilter"

The present invention was created in order to more actively solve the above problems, by using a specially designed strainer to first separate the oil and solid sludge contained in the waste water to generate the secondary water purification work of waste water The problem to be solved is to provide a purification device that can be made more easily and quickly.

In addition, the present invention provides a purifying apparatus for more efficiently creating an environment in which microorganisms can be cultured in secondary water by providing a bio filtration filter which implements acid and filtration at the same time in addition to performing an acid process by an anaerobic tank and an anaerobic tank. Providing is another challenge.

In addition, the present invention provides a plurality of aeration tanks partitioned by the partition wall, by filling the carrier in each aeration tank to sequentially control the purification power to build a more systematic purification process as well as the sediment accumulated for each aeration tank whose purification power is controlled sequentially It is another challenge to provide a purification system that can systematically discharge the gas and create a hygienic and pleasant working environment.

In addition, in the present invention, each aeration tank is provided with a fluidized carrier and a fixed carrier to actively induce the culture and adsorption of microorganisms while providing a purifier with the addition of the ocher component is another challenge.

In order to achieve the above problem, the composition of the waste water purification apparatus which improves the total nitrogen removal efficiency by using the biofiltration filter proposed in the present invention is as follows.

The wastewater purification apparatus using the biofilter of the present invention includes: a sedimentation tank 10 for receiving sewage and separating oil and solid sludge; and expanding the growth of microorganisms while adjusting the flow rate by suctioning the secondary water from the sedimentation tank. A flow rate adjusting tank 20; and an anaerobic tank 30 which sucks the secondary water from the flow adjusting tank to remove organic matter and induces the release of phosphorus; and an anaerobic tank 40 which takes over the middle water from the anaerobic tank and removes nitrogen; The first aeration tank 50 is provided with at least one independent space provided by a plurality of partition walls formed inside the cylinder to fill the fluid carrier 51 for culturing microorganisms in each space, thereby purifying the secondary water as a biological reaction is caused. And, made of a synthetic resin material containing ocher and cultivated microorganisms by alternately arranging several fixed carriers 61 arranged downward in a straight line from top to bottom A second aeration tank 60 in which acid and filtration are simultaneously realized by a bio filtration filter 100 vertically installed between alternately arranged fixed carriers; And a third aeration tank (70); and a precipitation tank (80) for filtration after sedimentation of residual oil and fine solid sludge by taking over the secondary water from the third aeration tank and filtration; and, connected to the precipitation tank, It is characterized by consisting of; sludge thickening tank 90 for taking over and collecting the collected fine solid sludge.

In addition, the sedimentation tank 10 is composed of a supply pipe 11 receiving the sewage from the outside, and the filtering net 12 is installed at the lower end of the supply pipe, the upper filter net 12 is a plurality of through-holes or honeycomb filter It is characterized in that the ball is densely formed.

In addition, the flow rate adjustment tank 20 is installed in the inner tank and the intake tank 10, the suction pipe 21 receives the secondary water and the first air lift 22 to suck the secondary water collected at the lower end and discharged to the upper end And, it is installed on the top of the flow rate adjustment tank is characterized in that it consists of a metering tank 23 to take over the secondary water discharged by the airlift and re-filter.

On the other hand, the metering tank 23 is characterized in that the surface of the plurality of through-holes or honeycomb pattern filter holes are formed densely.

In addition, the first aeration tank 50 is accommodated in the amount of the fluid carrier 51 corresponding to 50% of the total internal space to purify the organic matter contained in the secondary water 50%, the second aeration tank 60 is a high The qualitative carrier 61 and the bio filtration filter 100 are installed to purify the organic matter contained in the secondary water 30%, the third aeration tank 70 is the organic carrier contained in the secondary water by the fixed carrier 61. 20% purification is characterized in that the step-by-step purification of secondary water is built.

In addition, the sedimentation tank 80 is the inlet pipe 81 receives the secondary water from the third aeration tank 70, the filter member 82 for the final filtration of the supplied secondary water, and the sludge precipitated by the filter member It is composed of a second air lift (83) for inhalation and discharged to the sludge concentration tank (90).

In addition, the bio filtration filter 100 includes a filter 112 for separating the contaminants by the perforations imparted to the outer periphery while extending vertically from the suction unit 111 and the suction unit is the lower end opening the suction of secondary water Stainless steel filtration unit 110; and, made of microfiber material, embraces all the outer periphery of the filter unit 112, and the mesh filter 120 for primary filtration of the secondary water discharged from the filtration unit; A biofilter 130 made of a synthetic resin that embraces all of the outer periphery of the mesh filter and filters the secondary water through the mesh filter secondly; Consists of; discharge portion 140 of stainless steel material discharged to the upper side of the two aeration tank,

In particular, the upper suction part 111 is characterized in that the suction force of the secondary water is made of a fallopian tube or capillary shape.

According to the present invention having the above-described configuration, by using a filter net formed with a plurality of through-holes or honeycomb pattern filter holes, by separating the oil and wastewater sludge of high concentration contaminated sludge firstly, more reliable and faster Can expect to purify wastewater.

In addition, the present invention has the effect of differentially distributing the carrier for each of the aeration tank partitioned by the partition wall to systematically discharge the precipitate according to the differential control of the purification power to create a more comfortable working environment.

In addition, the present invention is capable of cultivating a large number of microorganisms in a minimum space by filling a fluid carrier that expands the adsorption area of the microorganism by securing one or more independent spaces through a plurality of partitions formed inside the cylinder in the first aeration tank There is another effect that the mass growth of microorganisms significantly reduced the MLSS concentration to actively improve the purification of secondary water.

In addition, the present invention by installing a plurality of fixed carriers vertically placed and cross-placed in the second aeration tank and the third aeration tank, aeration of the intermediate water several times a few times to improve the biological reaction by the microorganisms mass culture and further excellent purification There is another effect that takes place.

In addition, the present invention is further equipped with a bio filtration filter that realizes the acid and filtration at the same time in the second aeration tank to further add an acid and filtration process in addition to the anaerobic tank and an anoxic tank, so that the environment for the growth of microorganisms in the medium water more excellent There is another effect that can be formulated.

In addition, the present invention not only reduces the generation of sediments of solid sludge by effectively dissolving the oil contained in the secondary water, but also the adsorbed only by the increased dissolved oxygen, so that the microorganism is evenly expanded, the purification ability is actively improved. There is another effect of being.

1 is a cross-sectional view of the waste water purification apparatus that improves the total nitrogen removal efficiency of phosphorus by using a bio filtration filter configured according to a preferred embodiment of the present invention.
2 is a front sectional view showing the internal configuration of the immersion tank.
3 is a front and side cross-sectional view showing the internal configuration of the flow adjustment tank.
Figure 4 is a front sectional view showing the internal configuration of the anaerobic tank and anaerobic tank.
5 is a front sectional view showing the internal configuration of the aeration tank.
6 is a perspective view of a flowable carrier.
Figure 7 is a perspective view showing the structure of the bio filtration filter.
8 is a perspective view of a fixed carrier.
9 is a front sectional view showing the internal configuration of the settling tank.
10 is a front sectional view showing the internal configuration of the sludge storage.
11 is an algorithm for the use of the waste water purification apparatus which improves the total nitrogen removal efficiency by using the bio filtration filter constructed in accordance with a preferred embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in a batch about the configuration of the present invention and its effects, effects.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be embodied in various different forms, and only the present embodiments are provided to make the disclosure of the present invention complete and common knowledge in the technical field to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. And like reference numerals refer to like elements throughout the specification.

The present invention relates to a wastewater purification apparatus using a biofilter.

Above all, the secondary water, which has been actively separated from the wastewater and solid sludge by the specially designed strainer, is aerated several times in an aeration tank equipped with a functional carrier with excellent microbial culture and a biofilter which simultaneously performs acid and filtration. It is to be noted that the present invention relates to a wastewater purification device which improves the total nitrogen removal efficiency by using a bio filtration filter which provides excellent purification power.

1 is a cross-sectional view of a waste water purification apparatus that improves the total nitrogen removal efficiency by using a bio filtration filter configured according to a preferred embodiment of the present invention.

As shown in Figure 1, the wastewater purification apparatus using the biofilter of the present invention is a sedimentation tank (10) for receiving the sewage to separate the oil and solid sludge; and, by adjusting the flow rate by sucking the secondary water from the sedimentation tank While the flow control tank 20 to expand the growth of the microorganism; and, the anaerobic tank 30 to remove the organic matter by inhaling the secondary water from the flow adjustment tank; and, to take over the secondary water from the anaerobic tank to remove nitrogen Oxygen-free tank 40; and a plurality of partitions formed inside the cylinder is provided with one or more independent spaces filled with a fluid carrier 51 for inducing the culture of microorganisms in each space to induce the intermediate water as a biological reaction is induced. The first aeration tank (50) to purify; and several fixed carriers (61), which are made of synthetic resin material containing ocher and arranged downward in a straight line from top to bottom, are alternately arranged. To the second aeration tank 60, and culturing the microorganism with an alternating arrangement to be achieved vertical installation Bio filtration filter by 100, and the acid group is simultaneously filtered between crystalline carrier; And a third aeration tank (70); and a precipitation tank (80) for filtration after sedimentation of residual oil and fine solid sludge by taking over the secondary water from the third aeration tank and filtration; and, connected to the precipitation tank, It consists of; sludge thickening tank 90 for taking over and storing the collected fine solid sludge.

Figure 2 is a front view showing the internal configuration of the settling tank configured as a preferred embodiment of the present invention.

As shown in FIG. 2, the upper sedimentation tank 10 is composed of a supply pipe 11 which receives filthy water from the outside, and a filtering net 12 installed at a lower end of the supply pipe, and the upper filtering net 12 includes a plurality of through holes or The honeycomb pattern filter hole is densely formed.

The supply pipe 11 receives the sewage flowing from the outside and is turned over to the internal space of the immersion tank 10, the outlet of the supply pipe is located at the top of the immersion tank.

The upper sieve 12 is located close to the bottom of the supply pipe 11 in the same shape as the inner diameter of the sedimentation tank 10, in particular disposed on the boundary line between the top and the surface of the sedimentation tank to separate the oil and solid sludge floated on the water surface do.

The upper sieve (12) is formed in a number of through-holes of a fine size in a uniform arrangement in the front to separate the solid sludge from the sewage provided by the supply pipe (11), as mentioned above when the sewage is filled up to the point installed in the strainer sewage It removes some of the oil from the surface of the water.

On the other hand, the upper sieve 12 is formed in a uniform array of fine sized through-holes on the surface in order to more aggressively remove the oil or honeycomb pattern filter holes having a hexahedron closely arranged.

For example, the honeycomb pattern is 360 ° by collecting three regular hexagons of 120 ° in each vertex at each vertex, which can be represented by (6, 6, 6), and thus filling the plane by connecting the regular hexagons. Is found on the cross section of the honeycomb, and is called honeycomb because it is related to the shape of the honey. The cross section of the honeycomb is a shape that connects the regular hexagon, but since the actual honeycomb is three-dimensional, it is a shape of a pile of regular hexagon pillars. When the length of the circumference is constant in the cut section of the honeycomb, the widest area is the regular hexagon, and in the three-dimensional diagram, it is the regular hexagonal column that guarantees the maximum volume among the regular square columns.

In other words, the honeycomb pattern filter hole can secure the widest surface area with the minimum space, and the honeycomb pattern sieve is light in weight and strong, and has high immunity to bending or compression, and thus is actively employed in the wastewater purification device of the present invention. It was.

3 is a front view showing the internal configuration of the flow rate adjustment tank configured in a preferred embodiment of the present invention.

As shown in FIG. 3, the flow rate adjustment tank 20 includes a suction pipe 21 installed inside the sedimentation tank, a first air lift 22 which raises the sediment and the middle water collected at the bottom of the flow adjustment tank to the upper layer, It consists of a metering tank 23 which re-filters the moderate water drawn up to the upper layer.

The upper suction pipe 21 is installed to be inwardly connected with the upper end of the sedimentation tank 10 to receive and supply only the secondary water collected in the upper layer where the solid sludge subsided as much as possible.

The first air lift 22 is disposed vertically from the bottom of the flow adjustment tank 20 to the top to pull up the sediment and the middle water collected at the bottom of the flow adjustment tank to re-export to the top.

The metering tank 23 is installed on one side of the upper end of the flow adjustment tank 20, the surface is formed in a uniform array of through-holes of the same size as the sieve 12, or a honeycomb pattern filter hole having a cube And refilter the remaining oil several times.

In particular, the first air lift 22 discharges the middle water drawn up from the lower end of the flow adjusting tank 20 into the inner space of the measuring tank 23 so that the fine solid sludge remaining by the filter hole of the measuring tank is separated. .

Figure 4 is a front view showing the internal configuration of the anaerobic tank and anoxic tank configured as a preferred embodiment of the present invention.

As shown in FIG. 4, the anaerobic tank 30 inhales the medium water provided by the flow adjusting tank 20 through an underwater stirrer 2 installed at the bottom of the inner space to induce the release of phosphorus while removing the organic matter. To create an environment that can inhabit, the anoxic tank 40 removes nitrogen contained in the middle water provided by the anaerobic tank through an underwater stirrer installed on the bottom of the inner space to create an environment in which microorganisms can stand on their own.

Figure 5 is a front view showing the internal configuration of a plurality of aeration tank partitioned by the partition wall constituted by a preferred embodiment of the present invention.

As shown in FIG. 5, the first aeration tank 50 is filled with a fluid carrier 51 which flows according to the flow of fresh water contained therein and is evenly distributed throughout the inner space to induce the reproduction and biological reaction of microorganisms. do.

The second aeration tank (60) and the third aeration tank (70) is provided with a fixed carrier (61) disposed downward in a straight line from the top to the bottom in the inner space to provide a habitat environment for microorganisms, and breeding of microorganisms This leads to further activation.

For example, the fixed carrier 61 installed in the second aeration tank 60 and the third aeration tank 70 will be easily understood with reference to FIG. 8.

The above fluid carrier 51 and the fixed carrier 61 are made of synthetic resin of ocher component, and the ocher component contains a large amount of microorganisms having the ability to remove total nitrogen, which is total, while purifying contaminated water quality. The self-reproduction of microorganisms is actively carried out.

6 is a view showing a perspective view of the flowable carrier constituted by a preferred embodiment of the present invention.

As shown in Figure 6, the fluid carrier 51 of the present invention is provided with one or more independent spaces by a plurality of partitions formed inside the cylinder constituting the carrier to make the adsorption of microorganisms more effective to improve microbial culture. Induces the adsorption of microorganisms in each space.

As described above, the carrier having one or more independent spaces in the internal space, like the honeycomb pattern, further provides a contact surface to which the microorganisms can be adsorbed, thereby effectively inducing the culture of the microorganisms.

On the other hand, the second aeration tank 60, the bio filtration filter 100 is installed to perform the acid and filtration in fresh water.

7 is a front view sequentially showing each configuration of the bio filtration filter configured according to a preferred embodiment of the present invention.

As shown in FIG. 7, the bio filtration filter 100 of the present invention is configured by covering the mesh filter 120, the biofilter 130, and the discharge unit 140 on the outer circumference of the filtration unit 110. .

The upper filter unit 110 is made of a stainless steel material, the lower end is opened inlet 111 for suctioning the middle water and the filter unit 112 for separating the contaminants by the perforations imparted to the outer periphery while extending vertically from the suction unit It is configured to include.

Particularly, the upper suction part 111 is formed in the shape of a fallopian tube that gradually expands as the diameter of the end portion is downward, and effectively intakes the middle water distributed around or has a shape of the capillary tube that narrows gradually as the inner diameter of the end portion is gradually upward. Strongly inhale nearby secondary water.

The mesh filter 120 is made of a microfiber material, and embraces all the outer periphery of the filter unit 112 and performs a primary filtration of the secondary water discharged from the filtration unit.

The bio filter 130 is made of a synthetic resin material containing the ocher component, and embraces all the outer periphery of the mesh filter, and filters the secondary water through the mesh filter.

The upper discharge unit 140 is made of stainless steel material, while injecting air through the bio-filtered secondary water discharges the secondary water is filtered and acidified to the upper side of the second aeration tank.

delete

The first, second, and third aeration tanks 50, 60, and 70 of the above configuration sequentially purify the medium water supplied by the respective internal components. For example, according to a preferred embodiment of the present invention, the first aeration tank 50 is accommodated in the amount of the fluid carrier 51 corresponding to 50% of the total internal space to purify the organic matter contained in the secondary water 50%, The two aeration tanks 60 are provided with a fixed carrier 61 and a bio filtration filter 100 to purify the organic matter contained in the secondary water by 30%, and the third aeration tank 70 is fixed by the fixed carrier 61. Step-by-step purification of secondary water is established by purifying organic matter contained in secondary water by 20%.

9 is a front view showing the internal configuration of the sedimentation tank configured by the preferred embodiment of the present invention.

As shown in FIG. 9, the sedimentation tank 80 serves to discharge the final filtered water discharged from the third aeration tank 70 and discharge the secondary water from the third aeration tank 70. 81), a filter member 82 for finally filtering the supplied medium water, and a second air lift 83 for sucking and discharging the sludge precipitated by the filter member to the sludge concentration tank 90.

The upper inlet pipe 81 is disposed at the upper end of the third aeration tank 70 to suck the middle water remaining in the upper layer of the third aeration tank, the other side is disposed in the internal space of the filter member 82 to suck from the third aeration tank One secondary water is discharged into the filter member to induce the filter ball of the filter member to finally filter the secondary water.

The filter member 82 is a filter hole of a fine size through-hole or honeycomb pattern is formed on the surface, such as the sieve 12 to the metering tank 23 to finally separate the oil and solid sludge remaining in the medium water until the end do.

The second air lift 83 provides power and a path to suck the sediment collected in the bottom surface of the sedimentation tank 80 and the middle water of the lower layer mixed with the sediment to discharge to the sludge concentration tank 90 to be described later.

On the other hand, the inner space of the sedimentation tank 80 is installed in a square or circular shape, the second air lift 83 is formed in a funnel shape that gradually narrows the area of the bottom so that the sediment is collected in one place so as to smoothly suck the sediment. Can be.

10 is a front view showing the internal configuration of the sludge concentration tank configured according to a preferred embodiment of the present invention.

As shown in FIG. 10, the sludge concentration tank 90 is connected by the settling tank 80 and the second air lift 83 to take over and store the sludge generated from the final filtration. The sludge is stored and stored in the sludge concentration tank until it is discharged by the vehicle.

The wastewater purification apparatus which improves the total nitrogen removal efficiency by using the biofiltration filter of the present invention having the above configuration has the first wastewater that is supplied using a strainer in which a plurality of through holes or honeycomb pattern filter holes are formed. Separation of oil and high concentration contaminated sludge makes cleaning easier and quicker than before, and by differentially controlling the purification power by differentially distributing the carriers in each of the aeration tanks partitioned by bulkheads, it is easier to systematically discharge the sediment. Create a pleasant working environment.

In addition, the present invention is provided with one or more independent spaces are provided by a plurality of partitions formed inside the cylinder in the first aeration tank to fill a fluid carrier to expand the adsorption area of the microorganisms so that a large number of microorganisms can be cultured in a minimum space The MLSS concentration is greatly reduced by the mass-proliferated microorganisms, which greatly improves the purification of secondary water, and by installing a plurality of fixed carriers vertically intersected and arranged in the second aeration tank and the third aeration tank, the aeration of the secondary water is more than several times. As a result, the biological reaction is enhanced by the mass cultured microorganisms, thereby achieving better purification.

In addition, the present invention by installing a bio filtration filter that realizes the acid and filtration at the same time inside the second aeration tank, additional acid and filtration process in addition to the anaerobic tank and anoxic tank is further added to create an environment in which microorganisms can grow on the medium water. The composition can be excellently formed, and the bio filtration filter effectively melts the oil contained in the secondary water, thereby reducing the occurrence of solid sludge sediment, and adsorbing only the valuables by the increased dissolved oxygen. Purification ability is actively improved.

Although the present invention described above has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and various modifications and equivalent other embodiments may be made by those skilled in the art. Should be clarified. Therefore, the true technical protection scope of the present invention should be interpreted by the appended claims, and all technical ideas within the equivalent scope should be construed as being included in the scope of the present invention.

10. Settlement tank 20. Flow adjustment tank
30. Anaerobic tank 40. Anaerobic tank
50. First Aeration Tank 60. Second Aeration Tank
70. Third Aeration Tank 80. Sedimentation Tank
90. Sludge Concentration
100. Bio filtration filter 110. Filtration part
120. Mesh Filter 130. Bio Filter
140. Outlet

Claims (3)

A sedimentation tank (10) comprising a supply pipe (11) for receiving sewage from the outside and a filter net (12) installed at a lower end of the supply pipe and having a honeycomb pattern with a filter hole to separate oil and solid sludge;
The suction pipe 21 is installed in the interior of the sedimentation tank so as to expand the growth of the microorganisms while adjusting the flow rate by adjusting the flow rate of the sedimentation tank, the suction pipe 21 receiving the secondary water and the first suctioning the secondary water collected at the lower end and discharged to the upper side. An air lift 22 and a flow adjustment tank 20 formed at an upper end thereof and configured to have a honeycomb pattern filter hole formed on a surface thereof and having a metering tank 23 for taking over and re-filtering the intermediate water discharged by the air lift;
The microorganisms can be inhabited by supplying the moderate water provided by the flow adjusting tank 20 through an underwater stirrer 2 installed at the bottom of the inner space to inhale organic matter by inhaling the middle water from the flow adjusting tank and inducing the release of phosphorus. Anaerobic tank 30 to create an environment;
Anaerobic tank that takes over the middle water from the anaerobic tank and removes the nitrogen contained in the middle water provided by the anaerobic tank through an underwater stirrer (2) installed at the bottom of the inner space to create nitrogen (40). );
One or more independent spaces are provided by the plurality of partition walls formed inside the cylinder, and each space is filled with a fluid carrier 51 corresponding to 50% of the total internal space for inducing the culture of microorganisms, thereby causing a biological reaction. Accordingly, the first aeration tank (50) for purifying the organic matter contained in the secondary water 50%;
Bio filtration filter 100 installed vertically between fixed carriers while cultivating microorganisms by alternately arranging several fixed carriers 61 arranged downward in a straight line from the upper side to the lower side made of a synthetic resin material containing ocher Second and third aeration tank (60, 70) to purify the organic matter contained in the secondary water by 30% and 20% step by step is implemented by the acid and filtration simultaneously;
The secondary oil is taken over from the third aeration tank, and the remaining oil and fine solid sludge are repeatedly precipitated and formed in a funnel shape, the area of which is gradually narrowed to discharge after discharge, and the secondary water is supplied from the third aeration tank 70. It consists of a receiving inlet tube 81, a filter hole of the honeycomb pattern is formed and the filter member 82 for the final filtration of the supplied secondary water, and the second air lift 83 for discharging the sludge precipitated by the filter member Being settling tank 80;
Sludge thickening tank 90 is connected to the settling tank and takes over and stores the fine solid sludge collected in the lower settling tank;
The upper bio filtration filter 100 is made of a stainless steel material including a filter portion 112 for separating the contaminants by the pore while extending vertically from the suction portion 111 and the suction portion of the fallopian tube shape to suck the secondary water is opened at the bottom Filtration unit 110, made of a microfiber material to embrace the filter unit 112, the mesh filter 120 for primary filtering the secondary water discharged from the filtration unit, and made of a synthetic resin containing ocher components, mesh filter The biofilter 130 which filters the secondary water through the mesh filter and the secondary filter, and the stainless steel material which discharges the secondary water after filtration and acidification to the upper side of the second aeration tank while injecting air into the secondary water through the biofilter. The discharge unit 140 of the wastewater purification apparatus to improve the total nitrogen removal efficiency by using a bio filtration filter, characterized in that consisting of. delete delete

Images