KR102058956B1 - Wastewater Treatment Apparatus having Solid-Liquid Separator and Method using the same - Google Patents

Abstract

The present invention relates to a high-speed solid and liquid separator. To be more specifically, the high-speed solid and liquid separator comprises: an outer body unit receiving raw water mixed with a chemical and producing purified water by separating solids and scum included in the raw water; an inner body unit placed inside the outer body unit and combined in order to vertically move. In addition, the outer body unit comprises: a storage tank having a fixed space unit, standing in an upright position, including a filtering net for filtering microparticles at a fixed position on an upper wall surface, and having the horizontal cross-section in a circular shape; a purified water discharge flow path placed in the outer side in the upper part of the storage tank with an open upper part in order to discharge the purified water passing the filtering net to the outside; and a storage tank cover opening and closing the upper part of the storage tank. Moreover, the inner body unit comprises: an inner pipe having the horizontal cross-section in a circular shape and a space unit of which the inside is closed; an outer pipe positioned in a shape for surrounding the inner pipe, having the upper unit and the side unit closed and the lower part open, and having the horizontal cross-section in a circular shape; and a cylindrical second vertical moving unit having an open upper part and lower part in order to move the inner pipe and the outer pipe up and down. Therefore, the high-speed solid and liquid separator can sufficiently remove various contaminants included in wastewater and can provide stable purified water.

Description

Wastewater treatment apparatus and treatment method using solid-liquid separator {Wastewater Treatment Apparatus having Solid-Liquid Separator and Method using the same}

The present invention relates to a wastewater treatment apparatus and a treatment method using a solid-liquid separator, and more particularly, it is possible to expect stable purified water while minimizing operating costs in removing various foreign matters contained in sewage or wastewater. The present invention relates to a wastewater treatment apparatus and a treatment method using the high solid-liquid separator.

Sewage and wastewater contain various organic components and various materials with different physicochemical properties such as ionic materials and salt forms of inorganic materials, so that there are many problems in securing stable treated water quality. Due to the large size of the wastewater treatment facilities, it requires a large amount of treatment area and a high cost of treatment.

Under these conditions, technologies for removing suspended solids in sewage and wastewater treatment have been developed, but they have been effectively used industrially except for efforts to remove decomposable and non-degradable substances in each stage of water treatment and the development of membrane technology. Technology is rare.

In recent years, in-depth research has been conducted to recognize the seriousness of these problems in treating sewage and wastewater, but until now, the development of technology capable of satisfying treatment efficiency and treatment capacity at low cost has not been reached.

Recent developments include a large pressure flotation tank (DAF), which has a solid-liquid separation effect but requires a large area and is known to have some problems in processing efficiency.

Another technique is to filter by using a large fiber membrane (Cloth media), the removal efficiency is excellent around the particulate matter at the beginning of the operation, but gradually blocked by the particles of the fiber and secretion of metabolites from the microorganisms, many problems in use It is occurring.

Korean Laid-Open Patent Publication No. 2004-0006996 Korea Patent Publication No. 10-1373302

Accordingly, an object of the present invention is to provide a high-speed solid-liquid separation device which can expect stable purified water by sufficiently removing various contaminants contained in these wastewaters in purifying sewage or wastewater.

In addition, an object of the present invention is to provide a high-speed solid-liquid separator with high reliability that can be operated and operated conveniently and stably in purifying sewage or wastewater.

The high-speed solid-liquid separation device of the present invention for solving the above problems, receiving the raw water mixed with the drug to separate the solids and scum contained in the raw water to produce purified water; And an inner body part 300 provided inside the outer body part 200 and coupled to be movable up and down, wherein the outer body part 200 has a predetermined space and is located upright. A water tank 210 having a circular horizontal cross section provided with a filter net 211 for filtering fine particles in a position, and the tank having an upper portion opened to discharge the purified water passing through the filter net 211 to the outside. (210) the upper side of the purified water discharge passage 220, and includes a container cover 250 for opening and closing the upper portion of the reservoir 210, the inner body portion 300, the horizontal cross-section is circular and the inside is The inner tube 310, which forms a sealed space portion, is located in a shape surrounding the inner tube 310, and the upper and side portions are closed and the outer surface of the horizontal cross-section of the lower portion 320 is open, the inner tube 310 and For moving the exterior 320 up and down It characterized in that it comprises a unit with the opening of the lower cylindrical second vertical movement part 330.

In addition, in the high-speed solid-liquid separation device of the present invention, the bottom of the receiving tank 210, the first sludge discharge pipe 214 for discharging the settled sludge to the outside, and settled in the position spaced apart from the bottom by a predetermined distance A second sludge discharge pipe 215 for sucking the sludge and discharged to the outside may be further provided.

In addition, in the high-speed solid-liquid separation device of the present invention, the receiving tank 210, the first sensor 216 for measuring the concentration of scum floated near the water surface, and the bottom and a predetermined distance to measure the settled sludge concentration The second sensor 217 spaced apart from each other may be further provided.

In addition, in the high-speed solid-liquid separation device of the present invention, the second injection nozzle 221 for removing the foreign matter attached to the purified water discharge passage 220 and / or the outlet 222 is further formed on the inner wall surface of the purified water discharge passage 220. It may be provided.

In addition, in the high-speed solid-liquid separator of the present invention, the first vertical moving part 260 vertically moving to the upper opening of the purified water discharge passage 220, and the first particles for washing the fine particles attached to the filter net 211 The third injection nozzle 261 positioned on the inner side of the vertical moving part 260 may be further provided.

In addition, in the high-speed solid-liquid separation device of the present invention, the inner central portion of the receiving tank 210 is provided with a cylindrical partition wall 280 for separating the receiving tank 210 space portion, the inner body portion 300 is the partition Located in the wall 280 may move up and down along the inner wall surface of the partition wall 280.

In addition, in the high-speed solid-liquid separation device of the present invention, the external appearance 320 is a raw water inlet pipe 321 positioned to penetrate the upper portion, an air discharge pipe 322 extending through the upper portion to a predetermined depth, and penetrate the upper portion. One or more drug injection pipes extending deeply may be further provided.

In addition, in the high-speed solid-liquid separation device of the present invention, the second vertical moving part 330 has a second connection frame 332, one side of which is connected to the exterior 320 and the other side of which is fixed to the inner wall, and an upper edge thereof. Hook 333 may be connected.

In the high-speed solid-liquid separation device of the present invention, the receiving tank 210, the first injection nozzle 212 for guiding the scum floating around the water surface in a predetermined direction, the bottom bottom for discharging the settled sludge to the outside The first sludge discharge pipe 214, the second sludge discharge pipe 215 spaced apart from the bottom and a predetermined distance above the bottom for suctioning and discharge the settled sludge to the outside, the scum concentration to measure the surface floating A first sensor 216, comprising a second sensor 217 spaced apart from the bottom and above a predetermined distance to measure the settled sludge concentration; A second injection nozzle 221 is provided on the inner wall surface of the discharge pipe 220 to remove the foreign matter attached to the discharge pipe 220; At least one sludge guide portion 230 positioned near the surface of the water tank 210 for dividing the floating scum into a predetermined region; The first vertical moving part 260 is moved vertically to the upper opening of the purified water discharge passage 220, and is provided on the inner side with a third injection nozzle 261 for washing the fine particles attached to the filter net 211. ; Cylindrical partition wall 280 which is located in the inner central portion of the receiving tank 210 for separating the space in the receiving tank 210 so that the inner body portion 300 can move up and down; The inner tube 310, the collision plate 311 is located on the upper outer surface for primarily mixing the drug and the raw water, and the rotation guide portion 312 of the outer surface of the side wall so that the drug and raw water can move downward Including; The exterior 320 includes a raw water inlet tube 321 positioned to penetrate the upper portion, an air discharge tube 322 extending through the upper portion to a predetermined depth, and at least one chemical injection tube extending through the upper portion to a predetermined depth. Become; The second vertical moving part 330 includes a second connection frame 332, one side of which is connected to the exterior 320 and the other side of which is fixed to an inner wall, and a hook 333 of an upper edge thereof; One side is in close contact with the inner wall of the partition wall 280 and the other side is in close contact with the outer wall of the second vertical moving part 330; A wire 350 having one side connected to the hook 333; And a driving means 360 connected to the other side of the wire 350 to move the second vertical moving part 330 up and down.

In addition, the wastewater treatment apparatus using the high-speed solid-liquid separator according to the present invention, any one or more of the anaerobic tank (2000), anoxic tank (3000), aerobic tank (4000) and the secondary solid-liquid separator (5000) is a high-speed solid-liquid separator (1000) It is characterized in that it is arranged after.

In addition, the wastewater treatment apparatus using the high-speed solid-liquid separation apparatus according to the present invention, characterized in that any one or more of the anaerobic tank (2000), anoxic tank (3000) and aerobic tank (4000) is further provided with a microbial carrier.

In addition, the wastewater treatment apparatus using the high-speed solid-liquid separation device according to the present invention, characterized in that disposed in the order of an oxygen-free tank (3000), high-speed solid-liquid separator (1000), aerobic tank (4000) and secondary solid-liquid separator (5000). .

In addition, the wastewater treatment apparatus using the high-speed solid-liquid separator according to the present invention is characterized in that the high-speed solid-liquid separator 1000, and at least one continuous batch reactor (6000).

In addition, the wastewater treatment apparatus using a high-speed solid-liquid separator according to the present invention, a high-speed solid-liquid separator 1000; Primary solid-liquid separator 11000; Biological treatment tanks of any one or more of anaerobic tank 2000, anaerobic tank 3000, and aerobic tank 4000; A second solid-liquid separator 5000; A sludge treatment tank of any one or more of a sludge thickening tank 7000, a sludge solubilization tank 8000, and an anaerobic digestion tank 9000; And a dehydrator (10000).

In addition, the wastewater treatment method using a high-speed solid-liquid separator according to the present invention, the step of supplying sewage and / or waste water to the high-speed solid-liquid separator 1000 to perform solid-liquid separation; And removing the organic matter contained in the supernatant from which the solid is separated.

In addition, the wastewater treatment method using a high-speed solid-liquid separation apparatus according to the present invention, the step of denitrifying the nitrogen component contained in the sewage and / or wastewater; And performing solid-liquid separation in the high-speed solid-liquid separator 1000.

In addition, the wastewater treatment method using a high-speed solid-liquid separator according to the present invention, the step of supplying sewage and / or waste water to the high-speed solid-liquid separator 1000 to perform solid-liquid separation; And supplying the supernatant from which the solids are separated to a continuous batch reaction tank 6000 to remove nitrification, denitrification, dephosphorization, and organic matter.

In addition, the wastewater treatment method using a high-speed solid-liquid separator according to the present invention, the step of supplying sewage and / or waste water to the first solid-liquid separator 11000 to perform solid-liquid separation; Removing the organics contained in the supernatant from which the solids are separated; Concentrating and dehydrating the sludge generated in the organic matter removing step; Supplying the reflux water generated in the sludge concentration dehydration process to a high-speed solid-liquid separator 1000 to perform solid-liquid separation; And supplying the treated water generated by the high-speed solid-liquid separator 1000 to the first solid-liquid separator 11000.

According to the high-speed solid-liquid separation device of the present invention, the inner body portion is provided with a collision plate for mixing the incoming raw water and chemicals primarily and the rotation induction portion to enable the secondary mixing, to maximize the mixing efficiency In addition, there is an advantage that the operating cost can be reduced because it induces mixing with no power.

In addition, according to the high-speed solid-liquid separator of the present invention, since the inner body portion is movable up and down, the water level can be adjusted, and accordingly, it is possible to cope according to the flow rate of the incoming raw water, and thus there is an advantage of excellent usability.

In addition, according to the high-speed solid-liquid separation device of the present invention, since the purified water is discharged through the filtering network located under the scum bed, it is possible to produce excellent purified water.

In addition, according to the high-speed solid-liquid separator of the present invention, a plurality of sludge guide parts and injection nozzles are provided, so that the scum layer can be easily collected and discharged.

In addition, the high-speed solid-liquid separator of the present invention has various advantages in known various wastewater treatment processes, which can significantly reduce the solids inflow load.

1 is a conceptual diagram of a high-speed solid-liquid separation apparatus according to a preferred embodiment of the present invention.
Figure 2 is an enlarged view of the inner body portion in the high-speed solid-liquid separator according to a preferred embodiment of the present invention.
FIG. 3 is a view seen from the AA ′ direction in FIG. 2.
FIG. 4 is a view seen from the direction BB ′ in the drawing of FIG. 1.
5 is a view for explaining the flow of water in the high-speed solid-liquid separation apparatus according to a preferred embodiment of the present invention.
6 is a first example of treating wastewater using the high speed solid-liquid separator of the present invention.
7 is a second example of treating wastewater using the high speed solid-liquid separator of the present invention.
8 is a third example of treating wastewater using the high speed solid-liquid separator of the present invention.
9 is a fourth example of treating wastewater using the high speed solid-liquid separator of the present invention.

The terms “comprise,” “have,” or “comprise” in this application are intended to indicate that there is a feature, number, step, component, part, or combination thereof described on the specification, but one or more other. It should be understood that it does not exclude in advance the possibility of the presence or addition of features or numbers, steps, actions, components, parts or combinations thereof.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in between. Should be. On the other hand, when a component is said to be "directly connected" or "directly connected" to another component, it should be understood that there is no other component in between. Other expressions describing the relationship between components, such as "between" and "immediately between," or "neighboring to," and "directly neighboring to" should be interpreted as well.

In addition, unless otherwise defined, all terms used herein including technical or scientific terms have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Hereinafter, a high-speed solid-liquid separation device according to the present invention will be described with reference to the accompanying drawings. The same reference numerals are used for the same elements in the drawings, and duplicate descriptions of the same elements are omitted.

1 is a conceptual view of a high-speed solid-liquid separation device according to a preferred embodiment of the present invention, Figure 2 is a view as seen from the A-A 'direction in the figure of FIG.

As shown in Figures 1 and 2, the high-speed solid-liquid separator of the present invention is fixed to the support frame 100, the support frame 100 having a predetermined shape and is supplied to the raw water mixed with chemicals are included in the raw water While separating the solid and the scum layer and the inside of the outer body portion 200 and the outer body portion 200 for producing a purified purified water, the inner body portion 300 is coupled to be movable up and down It is configured to include.

The support frame 100 is not particularly limited as long as it is a structure capable of stably supporting the outer body part 200, and also omits the support frame 100 and is fixed to the structure, for example, an outer body part such as a wall of a building ( 200 may be fixedly installed.

The outer body portion 200 includes a reservoir 210, a purification water discharge passage 220, a sludge guide portion 230, a second submersible pump 240, a reservoir lid 250, and a first vertical moving portion 260. , An air cylinder 270, and a partition wall 280.

First, the water tank 210 will be described in detail. The water tank 210 having an empty space and a predetermined space portion for accommodating raw water is open at the top thereof, while the rest are all surrounded by walls. Long in the vertical direction, the horizontal cross section is circular. In addition, the inner diameter of the lower portion is relatively smaller than the upper portion so that the settled solids can be easily discharged to the outside.

The filter tank 211 is installed on the upper wall of the receiving tank 210 so as to remove fine particles that do not settle well due to their own weight or do not float to the water surface.

Here, the particle diameter of the filter net 211 is not limited, but is preferably 1 to 10 μm.

A scum layer may be formed on the water surface of the raw water accommodated in the accommodation tank 210, more specifically, the water surface maintained to be completely locked to the filter network 211. Various raw water, such as sewage, generally does not settle due to the components of oil or detergents, and it is common to float up to the surface and form a scum layer.

The generated scum layer is scraped and discharged to the outside by a periodically or intermittently moving scraper, but a large number of facilities are required to drive the scraper, thus making the apparatus very complicated and expensive to install.

One or more first injection nozzles 212 for guiding the scum layer floating near the water surface in a predetermined direction, more specifically, outside the partition wall 280, are provided in the upper part of the receiving tank 210 of the present invention. ) It is provided on the inner wall surface.

On the other hand, the receiving tank 210 of the present invention can be fixed to the support frame 100 through a plurality of first connecting frame 213, although a pair of first connecting frame 213 to face each other in the drawing Although illustrated as being provided on the outer wall of the receiving tank 210, the number and installation position can be variously changed as necessary.

The lower portion of the receiving tank 210 has a convex hemispherical shape or a lower shape such as a conical shape that narrows the lower portion thereof, and a first sludge discharge pipe 214 is connected to the bottom bottom to discharge the settled sludge to the outside. The upper part spaced apart a predetermined distance is further provided with a second sludge discharge pipe 215 connected to the first submersible pump 218 to suck out the settled sludge to the outside.

If the sedimented sludge is discharged too frequently, sludge containing a large amount of water is discharged, and sludge concentration and dehydration are difficult. On the contrary, if the sludge is not discharged for a long time, sludge is not discharged well due to the sludge channeling phenomenon. However, in the present invention, the first sludge discharge pipe 214 is provided on the bottom of the floor and at the same time, the second sludge discharge pipe 215 is provided together to suck and discharge the sludge at a position spaced apart from the floor by a predetermined distance. For example, it is possible to discharge the sludge with low water content completely.

On the other hand, the first sensor 216 is further provided to measure the concentration of the scum floated near the water surface, and when the scum layer is formed by a predetermined concentration range set through this, the first injection nozzle 212 can be operated. If the concentration is above the concentration range, it may be recognized that the device is operating abnormally and cut off the supply of raw water.

In addition, the bottom of the receiving tank 210 may further include a second sensor 217 for measuring the settled sludge concentration, through which the first sludge discharge pipe 214 and / or the second sludge discharge pipe 215. Can control the opening and closing of the.

A purification water discharge passage 220 having an upper portion open to discharge the purified water that has passed through the filter net 211 to the outside is provided along the outer circumference of the upper portion of the receiving tank 210, and the purification water discharge passage 220 has a plurality of Purified water outlet 222 is formed. Most of the fine particles do not pass through the filter network 211, but if the solid-liquid separation process for a long time, a small amount of fine particles passing through the filter network 211 is attached to the purified water discharge flow path 220 and the purified water outlet 222 of the purified water Turbidity may increase.

Therefore, a plurality of second injection nozzles 221 may be provided on the inner wall surface of the purified water discharge channel 220 to clean the inner wall surface of the purified water discharge channel 220 and the purified water discharge port 222 intermittently.

Subsequently, at least one sludge guide portion 230 partitioned into a plurality of predetermined regions so that the floating scum is easily discharged near the surface of the receiving tank 210, preferably two or more, more preferably right angles to each other. Four sludge guides 230 may be provided to achieve a horizontal cross-section so that the scum layer may be best gathered, and when viewed from above, the vertex faces the receiving tank 210 and the sides face the triangle 280. Most preferably, four sludge guide parts 230 are formed.

In addition, at least one first injection nozzle 212 provided on the inner wall surface of the storage tank 210 is installed in each space portion partitioned by the sludge guide portion 230, and the scum layer outside the partition wall 280. It is preferable to spray so that it collects.

A submersible pump 240 is provided in each of the spaces partitioned by the sludge guide part 230 under the outer surface of the partition wall 280 to suck out the scum layer collected outside the partition wall 280 and discharge it to the outside. have.

It is also possible to perform the solid-liquid separation process in the state in which the upper portion of the receiving tank 210 is open, but a receiving tank cover capable of opening and closing the upper portion of the receiving tank 210 to prevent the scum layer from overflowing due to a malfunction of the apparatus ( It is preferable to provide 250 separately.

As described above, the purified water discharged from the receiving tank 210 passes through the filter net 211, and at this time, some fine particles are filtered from the filter net 211. However, the fine particles filtered by the filter net 211 block the pores of the filter net 211, so that the purified water does not pass well.

The high-speed solid-liquid separator of the present invention includes a first vertical moving part 260 having a plurality of third injection nozzles 261 mounted on the inner side thereof so as to clean the filter network 211 intermittently or non-intermittently. The first vertical moving part 260 washes the filtering net 211 while moving up and down with respect to the upper opening of the purified water discharge passage 220 through the air cylinder 270 fixed to the support frame 100. can do. Of course, although the air cylinder 270 may be omitted and the first vertical moving part 260 may be fixedly used, in this case, it is preferable to include a plurality of third injection nozzles 261 in the height direction of the filtering net in consideration of the height of the filtering net. Do.

The inner center of the receiving tank 210 is provided with a cylindrical partition wall 280 separating the space of the receiving tank 210 to accommodate the inner body portion 300, the partition wall 280 is one side under the water surface It extends to a predetermined depth.

Figure 3 is an enlarged view of the inner body portion in the high-speed solid-liquid separation apparatus according to a preferred embodiment of the present invention, Figure 4 is a view seen from the direction B-B 'in FIG. Referring to FIGS. 3 and 4, the inner body 300 which is located inside the partition wall 280 of the receiving tank 210 and moves up and down along the inner wall of the partition wall 280 will be described in detail. Shall be.

The inner body part 300 includes an inner tube 310, an exterior 320, a second vertical moving part 330, a bearing 340, a wire 350, and a driving means 360.

The inner tube 310 located at the center of the inner body 300 is for effectively mixing the raw water and the drug. Specifically, the inner tube 310 is closed in a horizontal cross section to form an empty space inside. In particular, the upper outer surface is provided with a collision plate 311 having a predetermined height and cross-sectional area, and the raw water and chemicals introduced are primarily mixed while colliding with the collision plate 311. In addition, a rotation induction part 312, for example, a screw-shaped rotation induction part 312 is formed on the outer surface of the inner tube 310 sidewall, so that the chemicals and raw water collided by the collision plate 311 rotate along the rotation induction part 312. While moving downwards, the mixing efficiency of raw water and chemicals can be maximized.

Although it is common to use a stirrer to mix raw water and chemicals, this high-speed solid-liquid separator is mixing raw water and chemicals by changing the natural flow and fluid flow, which not only saves maintenance costs but also saves installation costs. The advantage is that you can. Reference numeral 313 denotes a support plate for maintaining the shape of the inner tube 310 from water pressure, and reference numeral 314 denotes a plurality of connecting bars for fixing the inner tube 310 to the outer surface 320.

Exterior 320 is located in a shape surrounding the inner tube (310). The top and sides are closed, while the bottom is open and the horizontal cross section is circular. Raw water inlet pipe 321 is formed in the upper portion 320 so as to penetrate the upper portion so that the raw water flows into the collision plate 311, may occur between the inner tube 310 and the outer shell 320. An air discharge pipe 322 extending below a predetermined depth to discharge the existing air to the outside, a first medicine injection pipe 323 extending below a predetermined depth for injecting various chemicals for agglomeration of solids, and a second The chemical injection tube 324 and the third chemical injection tube 325 are provided.

The volume of the outer body portion 200 is determined in consideration of the flow rate and residence time of the raw water to be purified, but when the flow rate of the inflowing raw water is changed due to an unexpected reason or when the raw water containing a large amount of foreign matter having poor sedimentation is introduced. Requires a function that can cope with this.

The second vertical moving part 330 provided on the outside of the exterior 320 has an inner tube 310 and an exterior 320 for the purpose of adjusting the water level in the outer body 200 or adjusting the outlet height of the raw water mixed with the chemicals. ) To move up and down. Specifically, the second vertical moving part 330 is a cylindrical shape in which the upper and lower portions are open, and the locking projection 331 for limiting the movement of the bearing 340 is formed at a predetermined position on the outer wall, and one side has an appearance ( The second connection frame 332 is connected to the 320 and the other side is fixed to the inner wall of the second vertical moving part 330, and a hook 333 to which one side of the wire 350 is connected is installed at the upper edge. The other side of the wire 350 is connected to the driving means 360 fixed to the support frame 100 so that the second vertical moving part 330 can move up and down.

On the other hand, one side is in close contact with the first groove portion 281 of the inner wall of the partition wall 280 and the other side is provided with a bearing 340 to be in close contact with the second groove portion 334 of the outer wall of the second vertical moving part 330 It is preferable. The second vertical moving part 330 can be moved up and down by pulling or hanging the wire 350 only by the driving means 360. However, the driving means 360 may be divided due to the clearance between the partition wall 280 and the second vertical moving part 330. The wall 280 and the second vertical moving portion 330 may collide, which may cause serious damage to the device.

However, if the bearing 340 is provided between the inner wall of the partition wall 280 and the outer wall of the second vertical moving part 330, the collision as described above may be prevented and less force may be caused due to the rotational movement of the bearing 340. In addition, it is possible to lift the second vertical moving part 330.

5 is a view for explaining the flow of water in the high-speed solid-liquid separation apparatus according to a preferred embodiment of the present invention. Referring to FIG. 5, raw water is supplied through the raw water inlet pipe 321 of the exterior 320, and at least one of the first drug injection pipe 323 to the third drug injection pipe 325 may include a medicine, Specifically, a flocculant is supplied.

Then, the raw water and the drug impinge on the impingement plate 311 of the inner tube 310 and mixed, and then move downward while rotating in a spiral along the rotation guide portion 312 of the outer wall of the inner tube 310, at this time aggregated by the chemical Solids settle to the bottom of the receiving tank 210, and very light foreign matter rises to the surface to form a scum layer. Purified water, most of which has been removed, is filtered through the filter network 211, the fine particles are filtered, the purified water is discharged to the outside after passing through the purified water discharge passage 220 and the purified water discharge port 222 sequentially.

On the other hand, when the sludge settled to the bottom is concentrated in a predetermined range, it is discharged to the outside through the first sludge discharge pipe 214 and / or the second sludge discharge pipe 215. In addition, the scum layer floating on the water is collected by using the first injection nozzle 212 and then sucked and removed by the second submersible pump 240.

When a large amount of foreign matter is attached to the filter net 211, the water is sprayed and washed by the third injection nozzle 261, and when the cleaning water discharge passage 220 or the purification water outlet 222 is required to be cleaned, the second injection is performed. The nozzle 221 is washed.

Hereinafter, a wastewater treatment apparatus and method using the high speed solid-liquid separator of the present invention as described above will be described.

6 is a first example of treating wastewater using the high speed solid-liquid separator of the present invention.

In the wastewater treatment apparatus of the first example, the high-speed solid-liquid separator 1000, the anaerobic tank 2000, the anaerobic tank 3000, the aerobic tank 4000, and the secondary solid-liquid separator 5000 may be sequentially disposed. Here, the second solid-liquid separator 5000 may be a known solid-liquid separator, and may be, for example, a gravity settling tank, a separator, a disk filter, a separation separator, but is not limited thereto. Of course, it is also possible to use the high speed solid-liquid separator 1000 of the present invention.

The treatment method according to the first example having the above configuration will be briefly described, and the sewage and / or wastewater is supplied to the high-speed solid-liquid separator 1000 to perform solid-liquid separation. The supernatant from which solids are separated while passing through the high-speed solid-liquid separator 1000 is sequentially moved to the anaerobic tank 2000 and the anaerobic tank 3000, and denitrification is performed in the anaerobic tank 3000.

The anoxic tank effluent is fed back into the aerobic tank 4000 to remove nitrification, dephosphorization and organic matter. Finally, the outflow tank 4000 is supplied to the second solid-liquid separator 5000 again to perform solid-liquid separation.

Here, a part of the outflow of the aeration tank 4000 may be returned to the anaerobic tank 2000, part of the anaerobic tank 3000, a part of the sludge of the secondary solid-liquid separator 5000. In some cases, some or all of the sewage and / or wastewater may be supplied directly to the anaerobic tank 2000 without passing through the high-speed solid-liquid separator 1000 continuously or discontinuously. In addition, the solids separated from the high-speed solid-liquid separator 1000 may be transferred to a separate treatment tank for final treatment, and microorganisms may be attached to any one or more of the anaerobic tank 2000, the anaerobic tank 3000, and the aerobic tank 4000. It is also possible to provide a carrier capable of proliferation.

The removal mechanism, sludge conveyance, etc. in each of the anaerobic tank 2000, the anaerobic tank 3000, the aerobic tank 4000, and the secondary solid-liquid separator 5000 correspond to a known technique, and thus, a detailed description thereof will be omitted. The circulation in each reactor is not limited to the accompanying drawings, and any change can be made.

7 is a second example of treating wastewater using the high speed solid-liquid separator of the present invention.

The wastewater treatment apparatus in the second example may be disposed in the order of the anaerobic tank 3000, the high speed solid-liquid separator 1000, the aerobic tank 4000, and the second solid-liquid separator 5000.

The treatment method according to the second example having the above configuration will be briefly described, and the aeration tank 4000 effluent is supplied to the anoxic tank 3000 together with the sewage and / or the waste water to denitrate together with the removal of organic matter.

The anoxic tank 3000 effluent is supplied to the high-speed solid-liquid separator 1000 at the rear stage to separate the liquid, and the supernatant from which the solid is separated is supplied to the aerobic tank 4000 to remove nitrification and organic matter. In addition, the outflow tank 4000 is supplied to the second solid-liquid separator 5000 to perform solid-liquid separation.

Here, some of the outflow of the aeration tank 4000 and some of the sludge separated by the high-speed solid-liquid separator 1000 may be mixed with the sewage and / or wastewater and supplied to the anoxic tank 3000. In addition, a part of the solids separated from the high-speed solid-liquid separator 1000 may be transferred to a separate treatment tank for final treatment, and microorganisms may be attached to and propagated to any one or more of the anaerobic tank 3000 and the aerobic tank 4000. It is also possible to be provided with a carrier.

In the treatment method according to the second example, by placing the anoxic tank 3000 in front of the high-speed solid-liquid separator 1000, the denitrification efficiency can be utilized to maximize the organic carbon source in the influent when denitrifying the nitrate conveyed from the aerobic tank (4000) Can improve. In addition, by arranging the aerobic tank 4000 at the rear end of the high-speed solid-liquid separator 1000, organic matter consumption by the oxygen-free tank 3000 and particulate organic matter by the high-speed solid-liquid separator 1000 can be further removed to increase nitrification efficiency. have. In particular, if the carrier is flowing in the aeration tank 4000, since only the supernatant of the high-speed solid-liquid separator 1000 is supplied to the aeration tank 4000, which is the rear end, it is possible to minimize the blockage by the microbial carrier, and furthermore, the secondary solid-liquid separation There is an advantage that the treatment water quality can be improved by reducing the burden of solid-liquid separation of the tank (5000).

8 is a third example of treating wastewater using the high speed solid-liquid separator of the present invention.

The wastewater treatment apparatus in the third example may include a high-speed solid-liquid separator 1000 and a continuous batch reactor 6000, and the continuous batch reactor 6000 may include the first continuous batch reactor 6100 as needed. It may be made of a second batch reactor 6200.

Referring to the treatment method according to the third example having the above configuration briefly, the sewage and / or wastewater is supplied to the high-speed solid-liquid separator 1000 to perform solid-liquid separation, and then the supernatant from which the solids are separated is subjected to a first continuous batch type. The reactor 6100 and the second batch reactor 6200 are alternately supplied to induce denitrification and nitrification.

The operation of the first continuous batch reactor 6100 and the second continuous batch reactor 6200 will be described in more detail, in which one of the first continuous batch reactor 6100 and the second continuous batch reactor 6200 is used. When the supernatant is supplied to the reactor, the other reactor, which is already filled with the supernatant, is operated in the order of nitrification step, precipitation step, supernatant discharge step, and stop. The above operation is carried out alternately in the first batch reactor 6100 and the second continuous batch reactor 6200, and the operation method of the plurality of continuous batch reactors corresponds to a known technique, and thus, detailed description is omitted. do.

9 is a fourth example of treating wastewater using the high speed solid-liquid separator of the present invention.

The wastewater treatment apparatus in the fourth example includes a primary solid-liquid separator 11000, an anaerobic tank 2000, an anaerobic tank 3000, an aerobic tank 4000, and a second solid-liquid separator 5000, such as a known first settling tank or settling basin. , High-speed solid-liquid separator 1000, sludge concentration tank 7000, sludge solubilization tank 8000, anaerobic digestion tank 9000 and dehydrator 10000 can be made.

In the fourth exemplary treatment method having the above configuration, the anaerobic tank 2000, the anaerobic tank 3000, the aerobic tank 4000, and the secondary solid-liquid separator 5000, and the anaerobic tank 3000 of the part of the effluent tank 4000 effluent are returned. The conveyance to the anaerobic tank 2000 of a part of the sludge separated from the secondary solid-liquid separator 5000 is omitted as it is the same as the first example described above, and only the treatment method associated with the different configuration will be described.

The sludge separated from the first solid-liquid separator 11000 and the second solid-liquid separator 5000 is supplied in the order of sludge thickening tank 7000, sludge solubilizing tank 8000 and anaerobic digestion tank 9000 to reduce sludge. The sludge flowing out of the anaerobic digestion tank 9000 is supplied to the dehydrator 10000 to reduce the water content.

On the other hand, in the sludge thickening tank (7000), anaerobic digestion tank (9000) and dehydrator (10000), the return water such as the sludge concentrated filtrate, the digestive supernatant and the dehydrated filtrate are generated, respectively, and these reflux water is supplied to the high-speed solid-liquid separator 1000. The solids are sludge concentrated tank 7000, the treated water is mixed with the sewage and / or waste water is supplied to the primary solid-liquid separator 11000.

As in the first or second example, the anaerobic tank 2000, the anaerobic tank 3000, the aerobic tank 4000 may be further provided with a variety of fluid or fixed media that can inhabit the microorganism.

In the treatment method according to the fourth example, when the return water generated in the sludge thickening tank, anaerobic digestion tank, and dehydrator flows directly into a bioreactor such as anaerobic tank 2000, the overall treatment efficiency may decrease due to an increase in pollution load. As shown in the fourth example of the present invention, if the solid matter contained in the reflux water is removed from the high-speed solid-liquid separator 1000 and then introduced into the bioreactor, the load of the pollutant can be greatly lowered.

The specific parts of the present invention have been described in detail above, and to those skilled in the art, these specific descriptions are merely preferred embodiments, and the scope of the present invention is not limited thereto. It is apparent to those skilled in the art that various changes and modifications can be made within the scope and spirit of the art, and such variations and modifications are within the scope of the appended claims.

1000: High speed solid solution separation device
100: support frame
200: outer body
210: reservoir
211: filter network 212: first injection nozzle
213: first connection frame 214: first sludge discharge pipe
215: second sludge discharge pipe 216: first sensor
217: second sensor 218: first submersible pump
220: purified water discharge flow path
221: second injection nozzle 222: purified water outlet
230: sludge guide part
240: second submersible pump
250: reservoir cover
260: first vertical moving part
261: 3rd injection nozzle
270 air cylinder
280: partition wall
281: first groove
300: inner body
310: inner tube
311: collision plate 312: rotation guide
313: support plate 314: connecting bar
320: appearance
321: raw water inlet pipe 322: air discharge pipe
323: first chemical injection tube 324: second chemical injection tube
325: third chemical injection tube
330: second vertical moving part
331: engaging projection 332: second connection frame
333: hook 334: second groove
340: Bearing
350: wire
360: drive means
2000: anaerobic tank
3000: Anaerobic tank
4000: Expiry Tank
5000: 2nd solid-liquid separator
6000: Batch Reactor
6100: first batch reactor
6200: first batch reactor
7000: sludge concentration tank
8000: sludge solubilization tank
9000: Anaerobic Digester
10000: Dehydrator
11000: 1st solid-liquid separator

Claims (20)

An outer body part 200 which receives raw water mixed with chemicals and separates the solids and scum included in the raw water to produce purified water;
A support frame 100 for fixing the outer body part 200; And
It is provided inside the outer body portion 200 and includes an inner body portion 300 coupled to be movable up and down,
The outer body portion 200 is located upright with a predetermined space portion, the upper wall surface predetermined position of the receiving tank 210, the horizontal cross section is provided with a filtering net 211 for filtering the fine particles, the filtering net ( Purification water discharge flow path 220 of the upper outside of the receiving tank 210, the upper portion of which is open to discharge the purified water passed through 211, the receiving tank cover 250 for opening and closing the upper portion of the receiving tank 210 ),
The inner body portion 300 is located in a shape surrounding the inner tube 310, the inner tube 310, the horizontal cross section is circular and forms a closed space inside, the upper and side portions are closed and the lower part is open High speed characterized in that it comprises a cylindrical outer vertical 320, a horizontal vertical cross-section, the vertical vertical moving portion 330 of the upper and lower open to move the inner tube 310 and the outer 320 up and down Solid-liquid separator.
delete delete The method of claim 1,
The receiving tank 210 has a first sensor 216 for measuring the concentration of scum floated near the water surface, and a second sensor 217 spaced apart from the bottom and a predetermined distance to measure the settled sludge concentration. High-speed solid-liquid separation device characterized in that it is further provided.
The method of claim 1,
The high-speed solid-liquid separator, characterized in that the second injection nozzle 221 for removing the foreign matter attached to the purified water discharge passage 220 and / or the discharge port 222 is further provided on the inner wall surface of the purified water discharge passage (220). .
The method of claim 1,
Located on the inner side of the first vertical moving part 260 for vertically moving to the upper opening of the purified water discharge flow path 220 and the fine particles attached to the filtering network 211. The high-speed solid-liquid separation device characterized in that the third injection nozzle (261) is further provided.
The method of claim 1,
A cylindrical partition wall 280 is provided at the inner central portion of the accommodation tank 210 to separate the space of the storage tank 210, and the inner body part 300 is located inside the partition wall 280 to partition the wall. (280) A high-speed solid-liquid separation device characterized in that it moves up and down along the inner wall surface.
The method of claim 1,
The exterior 320, the raw water inlet pipe 321 positioned to penetrate the upper portion, the air discharge pipe 322 extending through the upper portion to a predetermined depth, and one or more chemical injection tube extending through the upper portion to a predetermined depth High-speed solid-liquid separator, characterized in that provided.
The method of claim 6,
The second vertical moving part 330 has one side connected to the exterior 320 and the other side having a second connection frame 332 fixed to the inner wall, and a hook 333 connected to the upper edge. High speed solids separation device.
The method of claim 1,
The receiving tank 210, the first injection nozzle 212 for guiding the scum floating near the water surface in a predetermined direction, the first sludge discharge pipe 214 of the bottom bottom for discharging the settled sludge to the outside, A second sludge discharge pipe 215 spaced apart from the bottom and a predetermined distance above the bottom for sucking and discharging the settled sludge, a first sensor 216 for measuring the scum concentration floating near the water surface, and the settled sludge A second sensor 217 spaced apart from the bottom and above a predetermined distance to measure the concentration;
A second injection nozzle 221 is provided on an inner wall surface of the discharge passage 220 to remove foreign substances attached to the discharge passage 220;
At least one sludge guide portion 230 positioned near the surface of the water tank 210 for dividing the floating scum into a predetermined region;
The first vertical moving part 260 is moved vertically to the upper opening of the purified water discharge passage 220, and is provided on the inner side with a third injection nozzle 261 for washing the fine particles attached to the filter net 211. ;
Cylindrical partition wall 280 which is located in the inner central portion of the receiving tank 210 for separating the space in the receiving tank 210 so that the inner body portion 300 can move up and down;
The inner tube 310, the collision plate 311 is located on the upper outer surface for primarily mixing the drug and the raw water, and the rotation guide portion 312 of the outer surface of the side wall so that the drug and raw water can move downward Including;
The exterior 320 includes a raw water inlet tube 321 positioned to penetrate the upper portion, an air discharge tube 322 extending through the upper portion to a predetermined depth, and at least one chemical injection tube extending through the upper portion to a predetermined depth. Become;
The second vertical moving part 330 includes a second connection frame 332, one side of which is connected to the exterior 320 and the other side of which is fixed to an inner wall, and a hook 333 of an upper edge thereof;
One side is in close contact with the inner wall of the partition wall 280 and the other side is in close contact with the outer wall of the second vertical moving part 330;
A wire 350 having one side connected to the hook 333; And
High speed solid-liquid separation device, characterized in that it comprises a drive means (360) connected to the other side of the wire (350) in order to move the second vertical moving part (330) up and down.
A wastewater treatment apparatus using the high-speed solid-liquid separation device according to any one of claims 1 and 4 to 10,
At least one of the anaerobic tank 2000, the anaerobic tank 3000, the aerobic tank 4000 and the secondary solid-liquid separator 5000 is disposed after the high-speed solid-liquid separator 1000, the wastewater using the high-speed solid-liquid separator Processing unit.
The method of claim 11,
At least one of the anaerobic tank (2000), the anaerobic tank (3000) and the aerobic tank (4000) is a wastewater treatment apparatus using a high-speed solid-liquid separator, characterized in that the microbial carrier is further provided.
A wastewater treatment apparatus using the high-speed solid-liquid separation device according to any one of claims 1 and 4 to 10,
Anaerobic tank (3000), high-speed solid-liquid separator (1000), aerobic tank (4000) and secondary solid-liquid separator (5000) in order to sewage wastewater treatment apparatus using a high-speed solid-liquid separator.
The method of claim 13,
At least one of the anoxic tank 3000 and the aerobic tank 4000 is a wastewater treatment apparatus using a high-speed solid-liquid separator, characterized in that the microbial carrier is further provided.
A wastewater treatment apparatus using the high-speed solid-liquid separation device according to any one of claims 1 and 4 to 10,
High-speed solid-liquid separator 1000, and the wastewater treatment apparatus using a high-speed solid-liquid separator, characterized in that arranged in order of one or more continuous batch reactor (6000).
A wastewater treatment apparatus using the high-speed solid-liquid separation device according to any one of claims 1 and 4 to 10,
High speed solid-liquid separator 1000;
Primary solid-liquid separator 11000;
Biological treatment tanks of any one or more of anaerobic tank 2000, anaerobic tank 3000, and aerobic tank 4000;
A second solid-liquid separator 5000;
A sludge treatment tank of any one or more of a sludge thickening tank 7000, a sludge solubilization tank 8000, and an anaerobic digestion tank 9000; And
Sewage water treatment apparatus using a high-speed solid-liquid separator, characterized in that it comprises a dehydrator (10000).
In the wastewater treatment method using a high-speed solid-liquid separator using the wastewater treatment apparatus of claim 11,
Supplying sewage and / or wastewater to the high speed solid-liquid separator 1000 to perform solid-liquid separation; And
Removing the organic matter contained in the supernatant from which the solid is separated; wastewater treatment method using a high-speed solid-liquid separation device comprising a.
In the wastewater treatment method using a high-speed solid-liquid separator using the wastewater treatment apparatus of claim 13,
Denitrifying nitrogen components contained in sewage and / or wastewater; And
Performing solid-liquid separation in the high-speed solid-liquid separator 1000, characterized in that the wastewater treatment method using a high-speed solid-liquid separator.
In the wastewater treatment method using a high-speed solid-liquid separator using the wastewater treatment apparatus of claim 15,
Supplying sewage and / or wastewater to the high speed solid-liquid separator 1000 to perform solid-liquid separation; And
The supernatant from which the solids are separated is supplied to a continuous batch reactor (6000) to remove nitrification, denitrification, dephosphorization, and organic matter. Sewage water treatment method using a high-speed solid-liquid separation device comprising a.
In the wastewater treatment method using a high-speed solid-liquid separator using the wastewater treatment apparatus of claim 16,
Supplying sewage and / or wastewater to the first solid-liquid separator 11000 to perform solid-liquid separation;
Removing the organics contained in the supernatant from which the solids are separated;
Concentrating and dehydrating the sludge generated in the organic matter removing step;
Supplying the reflux water generated in the sludge concentration dehydration process to a high-speed solid-liquid separator 1000 to perform solid-liquid separation; And
The wastewater treatment method using the high-speed solid-liquid separation device comprising the step of supplying the treated water generated in the high-speed solid-liquid separator (1000) to the first solid-liquid separator (11000).

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