KR102325994B1 - Apparatus for treating waste water - Google Patents

Abstract

According to embodiments of the present invention, wastewater is introduced, a bioreactor into which aerobic microorganisms are introduced to remove organic matter in the wastewater; a sealing port part that covers one side of the bioreactor and is coupled to the bioreactor; a driving unit installed inside the sealing port unit and receiving power from the outside to generate rotational power; a stirring unit receiving rotational power from the driving unit and stirring the fluid accommodated in the bioreactor; and a pure oxygen generator for generating pure oxygen from atmospheric air and supplying the pure oxygen to the bioreactor, wherein the sealing port unit includes a fluid inflow, and a watertight region between the driving unit and the bioreactor. It provides a wastewater treatment device, characterized in that forming and sealing the bioreactor.

Description

Wastewater treatment apparatus {Apparatus for treating waste water}

Embodiments of the present invention relate to a wastewater treatment apparatus.

In general, wastewater treatment aims to remove contaminants contained in wastewater, and may be classified into primary treatment, secondary treatment and tertiary treatment according to the treatment method.

Here, the primary treatment refers to a method of physically and chemically removing suspended substances in wastewater, and usually corresponds to the process from the sewage treatment plant to the first settling pond.

The secondary treatment aims to remove dissolved organic matter in wastewater and organic matter that has not been treated in the primary treatment, and a biological treatment method is mainly used.

Tertiary treatment refers to a high-level treatment process that combines physical, chemical, and biological treatment methods to remove organic matter with low biodegradability and nutrients such as nitrogen and phosphorus that could not be removed in the second treatment.

In general, wastewater discharged from sewage treatment plants is referred to as secondary treatment.

However, the reuse rate of secondary treated wastewater discharged from sewage treatment plants is still not high. In the case of reuse of wastewater, since environmental problems caused by water depletion can be remarkably improved, efforts to purify and reuse wastewater are continuing.

Background art of the present invention is disclosed in Republic of Korea No. 10-2012-0028771 (published on March 23, 2012, title of the invention: wastewater treatment apparatus and wastewater treatment method).

The present invention has been devised to improve the above problems, and it is possible to efficiently treat wastewater in the bioreactor by injecting pure oxygen into the bioreactor and increasing the number of microorganisms in the bioreactor with return sludge containing aerobic microorganisms. An object of the present invention is to provide a wastewater treatment device that can

In addition, it is possible to seal the inside of the bioreactor with a sealing port in which a watertight region is formed, prevent secondary pollution caused by bubbles, water droplets scattering or odor, and maintain a high oxygen partial pressure in the bioreactor to improve oxygen transfer efficiency. An object of the present invention is to provide a wastewater treatment device that can

However, these problems are exemplary, and the scope of the present invention is not limited thereto.

Embodiments of the present invention, wastewater is introduced, a bioreactor into which aerobic microorganisms are introduced to remove organic matter in the wastewater; a sealing port part that covers one side of the bioreactor and is coupled to the bioreactor; a driving unit installed inside the sealing port unit and receiving power from the outside to generate rotational power; a stirring unit receiving rotational power from the driving unit and stirring the fluid accommodated in the bioreactor; and a pure oxygen generator for generating pure oxygen from atmospheric air and supplying the pure oxygen to the bioreactor, wherein the sealing port unit includes a fluid inflow, and a watertight region between the driving unit and the bioreactor. It provides a wastewater treatment device, characterized in that forming and sealing the bioreactor.

In the present invention, a fluid injection part connected to the sealing port part and injecting the fluid into the sealing port part; may include.

In the present invention, the fluid injection portion, the injection body communicating with the sealing port portion; and a measuring unit extending in parallel with the other end opposite to one end of the injection body connected to the sealing port and measuring the pressure of the fluid accommodated in the sealing port.

In the present invention, a sealing member coupled along the outer peripheral surface of the sealing port portion connected to the bioreactor; may further include.

In the present invention, the sealing port unit, the driving unit is installed therein, covering the biological reaction tank one side is opened, the sealing base portion coupled to the outer peripheral surface of the biological reaction tank; a communication body coupled to the driving unit and communicating with the sealing base unit and the bioreactor; and a watertight body coupled to the sealing base so that the inside is hollow and overlaps with the communication body in a preset section.

In the present invention, the sub-sealing port is spaced apart from the sealing port part, is connected to the bioreactor in communication with the bioreactor, forms a watertight area in the area between the bioreactor and the atmosphere, and closes the bioreactor; may further include have.

In the present invention, it is connected to the bioreactor, the settling unit to receive the treated wastewater from the bioreactor; may further include.

In the present invention, in the bioreactor, the sludge generated by the reaction of the organic matter and the aerobic microorganism contained in the wastewater may be precipitated, and the sludge and the treated wastewater may be moved to the sedimentation unit.

In the present invention, a plurality of the bioreactor is provided, and the plurality of bioreactors communicate with each other and the wastewater may flow.

In the present invention, the wastewater treatment device for generating pure oxygen by adsorbing nitrogen molecules in the atmosphere with an adsorbent in the pure oxygen generating unit.

Other aspects, features and advantages other than those described above will become apparent from the following drawings, claims, and detailed description of the invention.

The wastewater treatment apparatus according to the present invention has the effect of sealing the inside of the bioreactor due to the sealing port in which the watertight area is formed, and preventing secondary pollution caused by bubbles, water droplets scattering, or odors.

In addition, since the sealing port seals the inside of the bioreactor, it is possible to maintain a high oxygen partial pressure in the bioreactor, thereby improving oxygen transfer efficiency.

In addition, since the oxygen partial pressure in the bioreactor can be maintained high, there is an effect that economic efficiency can be improved, such as a reduction in the volume of the bioreactor, a reduction in the total operating cost, and a reduction in the facility investment cost compared to the conventional activated sludge method.

In addition, it can be applied to workplaces where high-concentration wastewater such as sewage, sewage and industrial wastewater is generated, workplaces with limited site area, or workplaces with a lot of odor due to secondary environmental pollution such as odors or scattering.

Of course, the scope of the present invention is not limited by these effects.

1 is a conceptual diagram schematically illustrating a wastewater treatment apparatus according to an embodiment of the present invention.
FIG. 2 is a partially enlarged view showing a portion A of FIG. 1 .
3 is an exploded perspective view showing a sealing port unit according to an embodiment of the present invention.
FIG. 4 is a partially enlarged view illustrating part B of FIG. 1 .
5 is a plan cross-sectional view taken along the line X-X' of FIG. 4 .
6 is a view schematically showing a pure oxygen generator according to an embodiment of the present invention.

Since the present invention can apply various transformations and can have various embodiments, specific embodiments are illustrated in the drawings and described in detail in the detailed description. Effects and features of the present invention, and a method of achieving them, will become apparent with reference to the embodiments described below in detail in conjunction with the drawings. However, the present invention is not limited to the embodiments disclosed below and may be implemented in various forms.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, and when described with reference to the drawings, the same or corresponding components are given the same reference numerals, and the overlapping description thereof will be omitted. .

In the following embodiments, terms such as first, second, etc. are used for the purpose of distinguishing one component from another, not in a limiting sense.

In the following examples, the singular expression includes the plural expression unless the context clearly dictates otherwise.

In the following embodiments, terms such as include or have means that the features or components described in the specification are present, and the possibility of adding one or more other features or components is not excluded in advance.

In the following embodiments, when it is said that a part such as a film, region, or component is on or on another part, it is not only when it is directly on the other part, but also another film, region, component, etc. is interposed therebetween. Including cases where there is

In the drawings, the size of the components may be exaggerated or reduced for convenience of description. For example, since the size and thickness of each component shown in the drawings are arbitrarily indicated for convenience of description, the present invention is not necessarily limited to the illustrated bar.

Where certain embodiments are otherwise feasible, a specific process sequence may be performed different from the described sequence. For example, two processes described in succession may be performed substantially simultaneously, or may be performed in an order opposite to the order described.

In the following embodiments, when a film, region, or component is connected, other films, regions, and components are interposed between the films, regions, and components as well as when the films, regions, and components are directly connected. It also includes cases where it is indirectly connected. For example, in this specification, when it is said that a film, a region, a component, etc. are electrically connected, not only the case where the film, a region, a component, etc. are directly electrically connected, but also other films, regions, and components are interposed therebetween. Indirect electrical connection is also included.

1 is a conceptual diagram schematically illustrating a wastewater treatment apparatus according to an embodiment of the present invention. FIG. 2 is a partially enlarged view showing a portion A of FIG. 1 . 3 is a front cross-sectional view showing a sealing port according to an embodiment of the present invention. FIG. 4 is a partially enlarged view illustrating part B of FIG. 1 . 5 is a plan cross-sectional view taken along the line X-X' of FIG. 4 . 6 is a view schematically showing a pure oxygen generator according to an embodiment of the present invention.

1 to 6 , the wastewater treatment apparatus 1 according to an embodiment of the present invention includes a bioreactor 100 , a sealing port unit 200 , a driving unit 300 , a stirring unit 400 , and a sequence It may include an oxygen generating unit 500 , a fluid injection unit 600 , a sub-sealing port 700 , a precipitation unit 800 , and a sealing member 900 .

Referring to FIG. 1 , in the bioreactor 100 according to an embodiment of the present invention, wastewater is introduced, and aerobic microorganisms may be introduced to remove organic matter in the wastewater.

As used herein, the term 'wastewater' means high-concentration wastewater such as sewage, sewage, and industrial wastewater. Specifically, the industrial wastewater may be wastewater generated from a petrochemical plant, a paper mill, a pulp mill, a food plant, and the like.

In addition, various organic substances are included in the wastewater, and may react with aerobic microorganisms input into the bioreactor 100 to form sludge or activated sludge.

The activated sludge formed in the bioreactor 100 according to an embodiment of the present invention absorbs organic matter contained in the wastewater to treat the wastewater.

In addition, the sludge is moved from the bioreactor 100 to the sedimentation part 800 to be described later through the first pipe line P1, and after being settled in the sedimentation part 800, the bioreactor tank 100 through the second pipe line P2 ( 100), there is an effect that can be used to treat the wastewater newly introduced into the bioreactor 100.

Referring to FIG. 1 , an inflow tank 102 may be formed on one side (left side of FIG. 1 ) of the bioreactor 100 .

The inflow tank 102 according to an embodiment of the present invention has an open top, and not only wastewater but also materials necessary for wastewater treatment can be introduced through the open top.

Specifically, wastewater and sludge may be introduced through the inflow tank 102 according to an embodiment of the present invention. The inflow water tank 102 may be connected to the settling unit 800 through the second conduit P2 .

The sludge may be formed as returned sludge returned through the settling unit 800 after being primarily generated in the bioreactor 100 . However, the present invention is not limited thereto, and various modifications such as separately provided are possible.

Referring to FIG. 1 , the discharge tank 104 may be formed on the other side (the right side of FIG. 1 ) of the bioreactor 100 in which the inflow tank 102 is formed according to an embodiment of the present invention.

The discharge tank 104 according to an embodiment of the present invention has an open top like the inflow tank 102 , and wastewater, aerobic microorganisms, and sludge may be discharged to the sedimentation unit 800 . The discharge water tank 104 may be connected to the settling unit 800 through the first conduit P1.

Referring to FIG. 1 , a plurality of bioreactors 100 according to an embodiment of the present invention may be provided, and the plurality of bioreactors 100a, 100b, and 100c communicate with each other, and wastewater, aerobic microorganisms or sludge can be moved

Referring to FIG. 1 , the inflow tank 102 and the discharge tank 104 according to an embodiment of the present invention allow a plurality of bioreactors 100a, 100b, and 100c to maintain a sealed state, limited thereto. Various modifications are possible, such as the inflow tank 102 and the discharge tank 104 are not formed in the biological reaction tank 100 .

In the present invention, three bioreactors 100 are formed and communicate with each other, but the present invention is not limited thereto, and may be formed singly or two may be connected, and various modifications such as four or more bioreactors 100 are formed to be connected to each other. implementation is possible.

Referring to Figure 1, the plurality of bioreactors (100a, 100b, 100c) is the wastewater, aerobic microorganisms, and sludge introduced through the inflow tank 102 through the connection area of each bioreactor 100 are sequentially delivered and It may be delivered to the settling unit 800 through the discharge tank 104 .

Specifically, it may be delivered to the sedimentation unit 800 through the first conduit P1 connected to the bioreactor 100c located on the far right of FIG. 1 .

The bioreactor 100 according to an embodiment of the present invention may be coupled to a sealing port 200 to be described later and sealed therein. Due to this, the partial pressure of oxygen in the plurality of bioreactors 100 may be constantly maintained.

In addition, it is possible to prevent secondary pollution due to bubbles, water droplets scattering, or odors generated in the reaction of organic matter and aerobic microorganisms in the wastewater in the bioreactor 100, and the oxygen partial pressure in the bioreactor 100 can be maintained high. There is an effect that can improve the oxygen transfer efficiency.

Referring to FIG. 1 , a plurality of bioreactors 100, specifically, a first bioreactor 100a, a second bioreactor 100b, and a third bioreactor 100c according to an embodiment of the present invention communicate with each other. can be

Specifically, in the region connected between the first biological reactor 100a and the second biological reactor 100b and between the second biological reactor 100b and the third biological reactor 100c, a hole (reference numeral not set) may be formed. There is an effect that wastewater, aerobic microorganisms, sludge, etc. can be moved through the hole.

In addition, the inflow tank 102, the discharge tank 104 according to an embodiment of the present invention are provided, and the inflow tank 102, the first bioreactor 100a, and the second Wastewater in the bioreactor 100b, the third bioreactor 100c, and the discharge tank 104 may be filled with the same water level.

Referring to FIG. 1 , aerobic microorganisms for treating wastewater introduced through the inflow tank 102 may be injected into the plurality of biological reaction tanks 100a , 100b , and 100c according to an embodiment of the present invention.

In the present specification, the aerobic microorganism may include yeast, lactic acid bacteria, lactic acid bacteria, actinomycetes, various enzymes, and the like. However, the present invention is not limited thereto, and various modifications such as those that can be appropriately selected according to the type of wastewater or sludge flowing into the inflow tank 102 are possible.

In addition to this, the aerobic microorganisms input into the bioreactor 100 may be aerobic microorganisms themselves or may be introduced in the form of partially aggregated, so-called floc, through a positive process before being introduced into the bioreactor 100, etc. Transformation is possible.

In the present invention, after the aerobic microorganism is input into the bioreactor 100 , it may be cultured by oxygen injected into the bioreactor 100 . At this time, oxygen is pure oxygen generated by the pure oxygen generator 500 to be described later, which will be described later.

Referring to FIG. 1 , the bioreactor 100 according to an embodiment of the present invention may be provided with a dissolved oxygen meter or an oxygen concentration analyzer 110 capable of measuring the amount of dissolved oxygen in wastewater.

Referring to FIG. 1 , the oxygen concentration analyzer 110 according to an embodiment of the present invention may be disposed in a first biological reactor 100a and a third biological reactor 100c. The dissolved oxygen meter may be located in the wastewater accommodated in the bioreactor 100, and may directly measure the amount of dissolved oxygen present in the wastewater.

At this time, the amount of dissolved oxygen in the wastewater may be related to the number of aerobic microorganisms present in the bioreactor 100, and as the number of aerobic microorganisms increases, the demand for dissolved oxygen in the wastewater may increase.

For example, when the amount of dissolved oxygen in the wastewater in the dissolved oxygen meter or the oxygen concentration analyzer 110 is greater than or equal to the threshold, the wastewater treatment capacity in the bioreactor 100 may be relatively high, so the wastewater controller 120 uses the bioreactor ( 100), the wastewater may be additionally introduced.

On the other hand, when the amount of dissolved oxygen in the wastewater in the dissolved oxygen meter or oxygen concentration analyzer 110 is less than the threshold, the inflow of the wastewater into the bioreactor 100 is stopped by the wastewater controller 120 or the bioreactor 100 flows into The flow rate of wastewater can be reduced.

In the present invention, the threshold may be arbitrarily selected according to the type of wastewater or the environment of the bioreactor 100, and may be set or changed by an operator.

There is an effect of efficiently controlling the flow rate of wastewater flowing into the bioreactor 100 through the dissolved oxygen meter or the oxygen concentration analyzer 110 according to an embodiment of the present invention.

This control of the flow rate of wastewater may be implemented automatically or manually using the wastewater controller 120 .

1 to 3 , the sealing port part 200 according to an embodiment of the present invention covers one side of the bioreactor 100 and may be coupled to the bioreactor 100 .

A driving unit 300 to be described later is installed inside the sealing port unit 200 according to an embodiment of the present invention, and the driving unit 300 transmits rotational power to the stirring unit 400 to be described later to the stirring unit ( 400) to agitate the wastewater in the bioreactor 100.

2 and 3 , the sealing port unit 200 may include a sealing base unit 210 , a communication body 230 , and a watertight body 250 .

FIG. 1 schematically shows the position of the sealing port part 200 with respect to the corresponding part, and FIG. 2 is an enlarged front sectional view of part A of FIG. 1 corresponding to the position of the sealing port part 200, and FIG. 3 is a diagram showing a state in which the communication body 230 and the watertight body 250 are separated.

The sealing port part 200 according to an embodiment of the present invention communicates with the biological reaction tank 100 , and the stirring part 400 which receives power from the driving part 300 and rotates, specifically, the stirring shaft 410 passes through. It may cover the hole (reference numeral not set) formed in the bioreactor 100 so that it can be achieved.

The sealing port unit 200 according to an embodiment of the present invention forms a watertight area SA in the area between the driving unit 300 that transmits rotational power to the stirring unit 400 and the bioreactor 100, There is an effect that the inside of the bioreactor 100 can be sealed from the external atmosphere.

Due to this, it is possible to prevent secondary pollution by preventing bubbles, water droplets scattering, or odor that may be generated inside the bioreactor 100 from leaking out of the bioreactor 100 during wastewater treatment.

In addition, it is possible to maintain the oxygen partial pressure inside the bioreactor 100 high, thereby improving the oxygen transfer efficiency.

2 and 3 , a fluid injection unit 600 to be described later may be connected to the sealing port unit 200 according to an embodiment of the present invention.

Specifically, there is an effect that the area between the driving unit 300 and the bioreactor 100 can be watertight because the fluid L introduced through the injection body 610 is filled in the sealing port 200 .

1 to 3 , the sealing port unit 200 may include a sealing base unit 210 , a communication body 230 , and a watertight body 250 .

2 and 3 , the sealing base unit 210 according to an embodiment of the present invention has a driving unit 300 installed therein, and one side (upper side based on FIG. 1 ) is opened in a bioreactor 100 . and may be coupled to the outer circumferential surface of the bioreactor 100 .

In the present specification, the opening of one side (upper side of FIG. 1 ) of the bioreactor 100 means that a hole is formed in the upper side (refer to FIG. 1 ) of the bioreactor 100 , and the stirring unit 400 . , specifically, the stirring shaft 410 may pass through the hole and be connected to the driving unit 300 installed inside the sealing base unit 210 .

The sealing base part 210 according to an embodiment of the present invention may be coupled to the outer circumferential surface of the biological reactor 100 , and the sealing member 900 to be described later is a sealing base part 210 coupled to the biological reactor 100 . ) may be formed along the outer circumference of at least one or more.

Due to this, it is possible to prevent the leakage of bubbles, water droplets, or odors generated in the reaction between the organic matter and aerobic microorganisms in the wastewater between the sealing port unit 200, specifically the sealing base unit 210 and the biological reaction tank 100. .

The driving unit 300 is installed inside the sealing base unit 210 , and the driving unit 300 may receive power from the outside to generate rotational power. The rotational power generated by the driving unit 300 may be transmitted to the stirring unit 400 , specifically, the stirring shaft 410 .

2 and 3 , the communication body 230 according to an embodiment of the present invention is coupled to the driving unit 300 , and may communicate the sealing base unit 210 and the bioreactor 100 .

2 and 3 , the communication body 230 according to an embodiment of the present invention may have both upper and lower sides (based on FIG. 2 ) open and hollow inside. The upper end of the communication body 230 may be coupled to the driving unit 300 and fixed in position.

Because the communication body 230 is coupled to the driving unit 300, the stirring unit 400 connected to the driving unit 300, specifically, the stirring shaft 410 is disposed inside the communication body 230, and the stirring shaft 410 ) may be rotated clockwise or counterclockwise by receiving rotational power from the driving unit 300 and using the longitudinal central axis of the stirring shaft 410 as the rotational central axis.

The communication body 230 according to an embodiment of the present invention may be disposed inside the sealing base portion 210 . In the present invention, a preset portion is formed to extend in the longitudinal direction (up and down direction based on FIG. 2 ) inside the sealing base unit 210 , and may communicate with the bioreactor 100 .

However, the present invention is not limited thereto, and various modifications such as passing through the upper outer circumferential surface of the bioreactor 100 and positioning the preset portion inside the bioreactor 100 are possible.

Referring to FIG. 2 , the upper end of the communication body 230 according to an embodiment of the present invention is fastened to the driving unit 300 and a fastening member such as a bolt, and the position may be fixed.

2 and 3, the communication body 230 overlaps with the watertight body 250, which will be described later, in a preset section, and is filled with a fluid L such as water to a height corresponding to the overlapping area to be watertight. A region SA may be formed.

Due to the formation of the watertight area SA between the bioreactor 100 and the driving unit 300 , it is possible to prevent odors, bubbles, water droplets, etc. from flowing out of the bioreactor 100 from the inside of the bioreactor 100 . there is an effect

2 and 3 , the watertight body 250 according to an embodiment of the present invention has a hollow inside, and is coupled to the sealing base unit 210 so as to overlap with the communication body 230 in a preset section. can be

2 and 3 , the watertight body 250 may include an outer cylinder portion 251 , an inner cylinder portion 253 , and a bottom surface portion 255 .

2 and 3 , the outer cylinder 251 is coupled to the sealing base 210 and may be disposed outside the communication body 230 overlapping in a preset section. The inner cylinder 253 faces the outer cylinder 251 , and a region preset to be disposed inside the outer cylinder 251 may be inserted into the communication body 230 .

2 and 3 , the communication body 230 may be disposed between the facing outer cylinder 251 and the inner cylinder 253 .

Referring to FIGS. 2 and 3 , the bottom part 255 connects the outer cylinder part 251 and the inner cylinder part 253 , and thereby the upper surface of the bottom part 255 (based on FIG. 2 ), the outer cylinder part 251 . A space is formed between the inner circumferential surface and the outer circumferential surface of the inner cylinder 253, and the fluid L, such as water, is introduced into the watertight body 250, specifically the outer cylinder 251, through the fluid injection unit 600 to be described later. can

2 and 3, the watertight body 250, specifically, the outer cylinder part 251, the inner cylinder part 253, and the bottom surface part 255 are disposed in communication with the sealing base part 210 and the bioreactor 100. can be

Referring to FIG. 2 , the communication body 230 is inserted between the outer cylinder 251 and the inner cylinder 253 , and the flow path of bubbles, water drops, odors, etc. formed inside the bioreactor 100 is the communication body. It may be limited only to the area between the 230 and the watertight body 250 .

Referring to FIGS. 2 and 3 , the bottom part 255 may be disposed relatively lower than one end of the communication body 230 toward the bottom side of the bioreactor 100 (the lower part in reference to FIG. 2 ).

In other words, with reference to FIG. 3, the communication body 230 has a lower end (based on FIG. 3) of the watertight body 250, specifically, the bottom surface part 255 between the outer cylinder part 251 and the inner cylinder part 253. Spaced apart by a predetermined length It can be located at the point (P, P').

For this reason, in order for bubbles, water drops, odors, etc. to go out from the inside of the bioreactor 100 , it passes through the inner path of the inner tube 253 from the inside of the bioreactor 100 and flows into the inside of the communication body 230 . Be, through the bottom portion 255 along the outer path of the inner tube 253, and must pass through the path formed between the outer peripheral surface of the communication body 230 and the inner peripheral surface of the outer cylinder (251).

2 and 3, the watertight body 250, specifically, the fluid L such as water into the fluid injection part 600 connected to the outer cylinder 251 is introduced into the watertight body 250, Due to the formation of the watertight area SA, there is an effect that can prevent bubbles, water droplets, odors, etc. generated from the reaction between wastewater and aerobic microorganisms inside the bioreactor 100 from passing through the path and flowing out to the outside.

In addition, since the airtightness of the inside of the bioreactor 100 is improved, the oxygen partial pressure in the bioreactor 100 can be maintained high, thereby improving the oxygen transfer efficiency.

Referring to FIG. 2 , the communication body 230 is disposed between the inner circumferential surface of the watertight body 250 , specifically the outer cylinder 251 and the inner circumferential surface of the outer cylinder 251 , according to an embodiment of the present invention, and the bottom surface portion 255 ) may be disposed relatively lower than the lower end of the communication body 230 .

Due to this, the fluid in the area formed between the outer circumferential surface of the communicating body 230 and the inner cylinder 253 and the inner circumferential surface of the communicating body 230 and the outer cylinder 251 with respect to the communicating body 230 is formed in the region. There is an effect that the height of (L) can be formed uniformly.

The sealing port unit 200 according to an embodiment of the present invention may be coupled to a plurality of biological reaction tanks (100a, 100b, 100c), respectively.

1 and 2 , the driving unit 300 according to an embodiment of the present invention is installed inside the sealing port unit 200 and may receive power from the outside to generate rotational power.

Specifically, the driving unit 300 may be installed inside the sealing base unit 210 , and may be coupled to the upper end of the communication body 230 .

Because the communication body 230 is coupled to the driving unit 300 and fixed in position, the upper end of the communication body 230 is closed by the driving unit 300, and a watertight area SA is formed at the lower end of the communication body 230, so The inside of the communication body 230 may be sealed.

The driving unit 300 is connected to the stirring unit 400 , specifically, the stirring shaft 410 , and the stirring shaft 410 is rotated by the rotational power generated by the driving unit 300 , and is coupled to the stirring shaft 410 . The blade unit 430 , that is, the first blade 431 and the second blade 433 are rotated, so that the wastewater can be stirred.

The driving unit 300 according to an embodiment of the present invention may include a motor, and the motor may receive power from the outside to generate rotational power. Since such a motor corresponds to the known art, a detailed description related to the configuration of the motor will be omitted.

A plurality of driving units 300 according to an embodiment of the present invention are provided to correspond to the plurality of bioreactors 100 , and may be coupled to each bioreactor 100 .

1 and 2 , the stirring unit 400 according to an embodiment of the present invention is connected to the driving unit 300 , and is accommodated in the bioreactor 100 by receiving rotational power from the driving unit 300 . The fluid L may be stirred.

A plurality of stirring units 400 are provided to correspond to the plurality of bioreactors 100 , and may be respectively coupled to a plurality of driving units 300 installed in each of the bioreactors 100 .

1 and 2 , the stirring unit 400 according to an embodiment of the present invention may include a stirring shaft 410 and a blade unit 430 .

The stirring shaft 410 is connected to the driving unit 300 to receive rotational power, and the blade unit 430 is connected to the stirring shaft 410 and shares a rotational axis with the stirring shaft 410 and rotates together. can be

Referring to FIG. 1 , a blade unit 430 according to an embodiment of the present invention may include a first blade 431 and a second blade 433 . The first blade 431 is rotated inside the wastewater accommodated in the bioreactor 100 and may agitate the wastewater.

Referring to FIG. 1 , the second blade 433 is disposed to be spaced apart from the first blade 431 , and is rotatable while in contact with the water surface of the wastewater accommodated in the bioreactor 100 . Due to this, there is an effect that bubbles generated in the wastewater treatment process of the bioreactor 100 can be removed from the surface of the wastewater.

Due to the second blade 433 according to an embodiment of the present invention, pure oxygen present in the inner base layer of the bioreactor 100 is dissolved in the wastewater, and the first blade 431 is dissolved as it rotates in the wastewater Allows oxygen to diffuse evenly in the wastewater.

Due to the stirring unit 400 according to an embodiment of the present invention, sludge and microorganisms can be evenly distributed in the wastewater filled in the bioreactor 100, and the pure oxygen flowing into the bioreactor 100 is stably in the wastewater. It has a dissolving effect.

Referring to FIG. 1 , a plurality of stirring units 400 are provided and respectively installed in a plurality of bioreactors 100a, 100b, and 100c, so that the first bioreactor 100a, the second bioreactor 100b, and the second 3 There is an effect that wastewater can be treated evenly inside the bioreactor 100c.

Referring to FIGS. 1 and 6 , the pure oxygen generator 500 according to an embodiment of the present invention generates pure oxygen from atmospheric air to supply pure oxygen to the bioreactor 100 , and the bioreactor 100 ) can be connected to

Referring to FIG. 6 , atmospheric air introduced into the pure oxygen generator 500 according to an embodiment of the present invention passes through a compressor, and nitrogen molecules are adsorbed by an adsorbent in an adsorption column, at this time, the adsorption column Nitrogen adsorbed to may be desorbed through a vacuum pump and discharged to the atmosphere.

Although not shown in the drawings, the compressor according to an embodiment of the present invention may be connected to a heat exchanger or a cooler.

Due to this, a high concentration of pure oxygen may be discharged from the pure oxygen generator 500 .

In addition, compared to using atmospheric air in the bioreactor 100, wastewater can be treated more efficiently. That is, the oxygen dissolving ability in the wastewater can be improved, the concentration of the sludge is increased, and the sedimentation rate of the sludge can be increased.

Between the pure oxygen generator 500 and the biological reaction tank 100 of the present invention, a pure oxygen regulator 140 for controlling the flow rate of pure oxygen may be disposed.

Referring to FIG. 1 , the pure oxygen regulator 140 according to an embodiment of the present invention is disposed between the pure oxygen generator 500 and the bioreactor 100 , and the pure oxygen supplied into the bioreactor 100 . flow rate can be adjusted.

The pure oxygen regulator 140 of the present invention may be operated in conjunction with the dissolved oxygen meter or the oxygen concentration analyzer 110 .

Specifically, when the concentration of the amount of dissolved oxygen or the amount of pure oxygen measured by the dissolved oxygen meter or the oxygen concentration analyzer 110 is small, pure oxygen may be additionally injected into the bioreactor 100 by the pure oxygen controller 140, When the concentration of the dissolved oxygen amount or the net oxygen amount measured by the dissolved oxygen meter or the oxygen concentration analyzer 110 is sufficient, pure oxygen may not be injected into the bioreactor 100 by the pure oxygen controller 140 .

That is, the dissolved oxygen analyzer or oxygen concentration analyzer 110 , the wastewater controller 120 , and the pure oxygen controller 140 can all be operated in conjunction, and an optimized wastewater treatment environment can be created in the bioreactor 100 .

Referring to FIGS. 1 and 2 , the fluid injection unit 600 according to an embodiment of the present invention is connected to the sealing port unit 200 , and a fluid (L) such as water to the sealing port unit 200 . can be injected.

The fluid injection unit 600 may include an injection body 610 and a measurement unit 630 . The injection body 610 is in communication with the sealing port part 200 , specifically, the outer cylinder part 251 , and forms a flow path so that the internal fluid L flows into the sealing port part 200 .

The measuring unit 630 may be formed to extend in parallel with the other end (the right end of FIG. 2 ) opposite to one end (the left end of FIG. 2 ) of the injection body 610 connected to the sealing port unit 200 . .

This allows the user to know the pressure or level of the fluid L accommodated in the sealing port 200 .

That is, the filling state of the fluid L accommodated in the sealing port part 200 can be checked through the measuring part 630, and although not shown in the drawing, the measuring part 630 displays a scale according to the water level. If the height does not reach the preset height, the user may supply the fluid L through the injection body 610 .

1 and 4 , the sub-sealing port 700 according to an embodiment of the present invention is spaced apart from the sealing port part 200 and is connected in communication with the bioreactor 100 , and the bioreactor 100 and The watertight area SA may be formed in the area between the atmosphere and the bioreactor 100 may be sealed.

FIG. 1 schematically shows the position of the sub-sealing port 700 with respect to the corresponding part, and FIG. 4 is an enlarged front sectional view of part B of FIG. 1 corresponding to the position of the sub-sealing port 700, and FIG. 5 is a plan cross-sectional view taken along the line X-X' in FIG. 4 .

The sub sealing port 700 according to an embodiment of the present invention may include a sub communication 710 , a sub outer cylinder 730 , a sub inner cylinder 750 , and a bridge portion 770 .

Referring to FIG. 4 , one sub-communication 710 of the present invention communicates with the bioreactor 100 and may have a hollow interior. The sub outer cylinder 730 is disposed along the periphery of the outer circumferential surface of the sub communication 710, and the fluid L may be introduced, and specifically, the fluid injection unit 600 is connected to the sub outer cylinder 730 and the fluid (L). flow path can be provided.

The sub inner cylinder 750 according to an embodiment of the present invention communicates with the opening region (the reference upper part of FIG. 4 ) of the sub communication 710 , and may be disposed inside the sub outer cylinder 730 .

Referring to FIG. 4 , the sub outer cylinder 730 and the sub inner cylinder 750 may overlap in a preset section, and the fluid L is introduced into the area formed in the section to form a watertight area SA. can

Referring to FIG. 4 , the lower end of the sub inner tube 750 disposed between the sub outer tube 710 and the sub outer tube 730 is disposed below the upper end of the sub outer tube 710 , and the bottom area of the sub outer tube 730 . may be disposed to be spaced apart from each other by a predetermined distance upward (based on FIG. 4 ).

Referring to FIG. 4 , the fluid L is supplied from the fluid injection unit 600 , and the fluid L is filled on both sides based on the sub inner cylinder 750 to form a uniform water level.

4 and 5 , the bridge part 770 according to an embodiment of the present invention connects the sub outer cylinder 730 and the sub communication 710, and the position of the sub communication 710 is stably fixed. can do it A plurality of bridge units 770 may be provided, and may be conformally disposed along the periphery of the sub-communication 710 .

4 and 5, the bridge part 770 according to an embodiment of the present invention is connected to the sub outer cylinder 730, but is not limited thereto, and various modifications such as being connected to the sub inner cylinder 750 are implemented. possible.

Due to the sub-sealing port 700 according to an embodiment of the present invention, bubbles, water droplets scattering, odors, etc. generated in the wastewater treatment process inside the bioreactor 100 together with the sealing port 200 are removed from the bioreactor ( 100) can be prevented from leaking to the outside.

In addition to this, there is an effect of indirectly measuring the pressure inside the bioreactor 100 through the level of the fluid (L) connected to the sub outer cylinder 730 and displayed on the fluid injection unit 600 for injecting the fluid (L). have.

In addition, the internal pressure of the bioreactor 100 is formed to be greater than the fluid L accommodated in the sealing port 200 due to unexpected abnormal conditions during the continuous inflow of pure oxygen into the bioreactor 100 , and the sealing function is lost. When this occurs, through the flow path formed in the sub-sealing port 700, the internal pressure of the bioreactor 100 is discharged and removed, so that the sealing port 200 can smoothly perform the sealing function. let it be

Referring to FIG. 1 , the sedimentation unit 800 according to an embodiment of the present invention is connected to the bioreactor 100 , and may be specifically connected through a first conduit P1 . The sedimentation unit 800 may receive the treated wastewater and sludge from the bioreactor 100 through the first conduit P1.

In the sedimentation part 800 according to an embodiment of the present invention, the sludge may be deposited on the lower side of the sedimentation part 800 (refer to FIG. 1 ).

Specifically, the treated wastewater component may be located on the upper side (based on FIG. 1) in the sedimentation unit 800, and sludge may be located on the lower side (based on FIG. 1). As such, wastewater and sludge treated in the sedimentation unit 800 may be vertically separated.

One end of the first conduit P1 may be connected to the discharge water tank 104 , and the other end opposite to this may be connected to the lower portion (refer to FIG. 1 ) of the settling unit 800 .

Referring to FIG. 1 , the sedimentation unit 800 according to an embodiment of the present invention may be connected to the bioreactor 100 through the second conduit P2, and the sludge precipitated in the settling unit 800 is transferred to the bioreactor tank. It can be returned to (100).

One end of the second conduit P2 may be connected to the lower portion (refer to FIG. 1 ) of the sedimentation part 800 , and the other end opposite to this may be connected to the bioreactor 100 , specifically the inflow tank 102 .

Referring to FIG. 2 , the sealing member 900 according to an embodiment of the present invention is coupled along the outer circumference of the sealing port 200 connected to the bioreactor 100 , specifically, the sealing base 210 . As such, there is an effect that can prevent odors, scattering of water droplets, bubbles, etc. from leaking to the outside between the sealing base unit 210 and the bioreactor 100 .

The sealing member 900 may be formed of a silicone or rubber material, and has an effect of sealing a region in which the sealing base 210 and the outer peripheral surface of the bioreactor 100 are connected.

The operating principle and effect of the wastewater treatment apparatus 1 according to an embodiment of the present invention as described above will be described.

1 to 5 , the wastewater treatment apparatus 1 according to an embodiment of the present invention includes a bioreactor 100 , a sealing port unit 200 , a driving unit 300 , a stirring unit 400 , and a sequence It may include an oxygen generating unit 500 , a fluid injection unit 600 , a sub-sealing port 700 , a precipitation unit 800 , and a sealing member 900 .

Referring to FIG. 1 , wastewater may be introduced into the inflow tank 102 formed in the bioreactor 100 . In this case, the aerobic microorganisms may be in the plurality of bioreactors 100, specifically, the first bioreactor 100a, the second bioreactor 100b, and the third bioreactor 100c.

Referring to FIG. 1 , the pure oxygen generated by the pure oxygen generator 500 may be injected into the first bioreactor 100a , the second bioreactor 100b , and the third bioreactor 100c .

Due to this, in the first bioreactor 100a, the second bioreactor 100b, and the third bioreactor 100c, the aerobic microorganisms react with the organic matter contained in the wastewater to form sludge or activated sludge flocs.

At this time, pure oxygen is injected into the bioreactor 100, and since the bioreactor 100 is sealed, the oxygen partial pressure in the bioreactor 100 can be maintained high, and the culture rate of aerobic microorganisms is increased to increase the bioreactor 100 ) can increase the number of aerobic microorganisms.

1 to 5 , the fluid L is introduced into the sealing port 200 according to an embodiment of the present invention, and the watertight area SA is located in the area between the driving unit 300 and the bioreactor 100 . ), as described above, it is possible to block the outflow of odors, bubbles, scattering of water droplets, etc. generated by the reaction occurring inside the bioreactor 100 .

In addition, the inner region of the bioreactor 100 is sealed so that the partial pressure of oxygen in the bioreactor 100 can be maintained high.

In addition, the culture rate of the aerobic microorganisms is increased, so that the number of aerobic microorganisms in the bioreactor 100 can also rapidly increase.

1 to 5, as described above, the sub-sealing port 700 forms a watertight area SA in the area between the bioreactor 100 and the atmosphere and can seal the bioreactor 100, To be able to maintain the oxygen partial pressure in the bioreactor 100.

In addition, the sealing port 200, specifically the watertight body 250, or the sub-sealing port 700 is connected to the current living organism through the measurement unit 630 of the fluid injection unit 600 for supplying the fluid (L). There is an effect that the input amount of wastewater can be adjusted to correspond to the change in the water level of the fluid L according to the change in the internal pressure of the reaction tank 100 .

Meanwhile, referring to FIG. 1 , the sludge formed in the first bioreactor 100a , the second bioreactor 100b , and the third bioreactor 100c may be dense and large, and there may be few filamentous fungi. Wastewater can be treated or purified by the adsorption power of the sludge thus formed.

Referring to FIG. 1 , wastewater and sludge treated inside the bioreactor 100 according to an embodiment of the present invention are moved from the bioreactor 100 to the settling unit 800 through the first conduit P1. can

Referring to FIG. 1 , the treated wastewater or treated water and sludge are separated in the sedimentation unit 800 according to an embodiment of the present invention, and the treated wastewater is discharged from the sedimentation unit 800 to the outside, and the sludge is a living organism. It may be returned to the reaction tank 100 through the second pipe (P2).

In this case, it is natural that the entire amount of sludge deposited in the sedimentation unit 800 may be returned to the bioreactor 100 , or a part of the settled sludge may be returned to the bioreactor 100 .

Referring to FIG. 1 , aerobic microorganisms are included in the sludge returned to the bioreactor 100 , and may be reintroduced into the bioreactor 100 to be utilized for secondary wastewater treatment.

In other words, wastewater, sludge, and aerobic microorganisms to be treated may exist in the bioreactor 100, and are combined with aerobic microorganisms contained in the wastewater to form sludge to treat the wastewater and return it from the sedimentation unit 800 Since the sludge is treated with wastewater, the amount of slurry in the bioreactor 100 increases, so that the wastewater treatment capability can be improved.

1, the amount of dissolved oxygen in wastewater can be measured by a dissolved oxygen meter or an oxygen concentration analyzer 110, and the flow rate of wastewater flowing into the bioreactor 100 is controlled by the wastewater controller 120, The flow rate of pure oxygen injected into the bioreactor 100 or the dissolved amount of pure oxygen in wastewater flowing into the bioreactor 100 may be controlled by the pure oxygen controller 140 .

The dissolved oxygen meter or oxygen concentration analyzer 110, the wastewater controller 120 and the pure oxygen controller 140 according to an embodiment of the present invention are interlocked with each other, and the bioreactor 100 is configured as an environment optimized for wastewater treatment can do.

The wastewater treatment apparatus 1 according to an embodiment of the present invention can improve economic efficiency, such as reducing the volume of the bioreactor 100, reducing the total operating cost, and reducing the facility investment cost, such as sewage, sewage and industrial wastewater It can be applied to workplaces that generate high-concentration wastewater, workplaces with limited site area, or workplaces with many complaints due to secondary environmental pollution such as odors or scattering.

The wastewater treatment apparatus 1 according to an embodiment of the present invention forms a watertight area SA between the bioreactor 100 and the driving unit 300 due to the sealing port 200, thereby forming the bioreactor 100. It is possible to prevent odors, bubbles, and scattering of water droplets, etc. generated during wastewater treatment inside of the there is

Due to the sub-sealing port 700 according to an embodiment of the present invention, it is possible to form a watertight area SA in the area between the bioreactor 100 and the atmosphere, and occurs when wastewater is treated inside the bioreactor 100 . It can prevent odors, bubbles, and scattering of water droplets from leaking to the outside.

In addition, the pressure in the bioreactor 100 can be indirectly measured and confirmed through the level of the fluid L due to the fluid injection part 600 connected to the sub-sealing port 700 .

The specific implementations described in the present invention are only examples, and do not limit the scope of the present invention in any way. For brevity of the specification, descriptions of conventional electronic components, control systems, software, and other functional aspects of the systems may be omitted. In addition, the connection or connection members of the lines between the components shown in the drawings exemplarily represent functional connections and/or physical or circuit connections, and in an actual device, various functional connections, physical connections that are replaceable or additional may be referred to as connections, or circuit connections. In addition, unless there is a specific reference such as "essential" or "importantly", it may not be a necessary component for the application of the present invention.

Therefore, the spirit of the present invention should not be limited to the above-described embodiments, and the scope of the spirit of the present invention is not limited to the scope of the scope of the present invention. will be said to belong to

1: Wastewater treatment unit L: Fluid
P1: Pipe 1 P2: Pipe 2
SA: watertight area
100, 100a, 100b, 100c: bioreactor
102: inlet tank 104: outlet tank
110: oxygen concentration analyzer 120: waste water controller
140: pure oxygen regulator 200: sealing port portion
210: sealing base 230: communication body
250: watertight body 251: outer cylinder
253: inner tube 255: bottom portion
300: driving unit 400: stirring unit
410: stirring shaft 430: blade unit
431: first blade 433: second blade
500: pure oxygen generating unit 600: fluid injection unit
610: injection body 630: measuring unit
700: sub sealing port 710: sub communication
730: sub outer cylinder 750: sub inner cylinder
770: bridge part 800: settling part
900: sealing member

Claims (10)

a bioreactor into which wastewater is introduced and aerobic microorganisms are introduced to remove organic matter in the wastewater;
a sealing port part that covers one side of the bioreactor and is coupled to the bioreactor;
a driving unit installed inside the sealing port unit and receiving power from the outside to generate rotational power;
a stirring unit receiving rotational power from the driving unit and stirring the fluid accommodated in the bioreactor; and
Containing; and a pure oxygen generator for supplying the pure oxygen to the biological reaction tank by generating pure oxygen from atmospheric air,
The sealing port unit, fluid flows in, forms a watertight region in the area between the driving unit and the bioreactor and closes the bioreactor,
A sub-sealing port that is spaced apart from the sealing port part, is connected to the bioreactor in communication with the bioreactor, forms a watertight region in an area between the bioreactor and the atmosphere, and closes the bioreactor;
The sub-sealing port may include a sub-communication communicating with the biological reaction tank, a sub-external cylinder disposed along an outer circumferential surface of the sub-communication, a sub-inner cylinder communicating with an opening area of the sub-communication, and disposed inside the sub-outer cylinder, and the sub It includes a bridge part connecting the outer cylinder and the sub communication,
The sub-sealing port is smaller than the sealing port part, and the sub-sealing port is disposed on a side surface of the sealing port part,
and a fluid injection part connected to the sealing port part and injecting the fluid into the sealing port part,
The fluid injection unit,
an injection body communicating with the side end of the sealing port part; and
Including; and a measuring unit extending in parallel with the other end opposite to one end of the injection body connected to the sealing port and measuring the pressure of the fluid accommodated in the sealing port.
The sealing port portion,
a sealing base unit having the driving unit installed therein, covering the bioreactor having one side open, and coupled to an outer circumferential surface of the bioreactor;
a communication body coupled to the driving unit and communicating with the sealing base unit and the bioreactor; and
Including; and a watertight body coupled to the sealing base so that the inside is hollow and overlaps with the communication body in a preset section;
The driving unit is a wastewater treatment device coupled to the upper end of the communication body. delete delete According to claim 1,
The wastewater treatment apparatus further comprising a; sealing member coupled along an outer peripheral surface of the sealing port part connected to the biological reaction tank. delete delete According to claim 1,
The wastewater treatment apparatus according to claim 1, further comprising a sedimentation unit connected to the bioreactor and receiving the treated wastewater from the bioreactor. 8. The method of claim 7,
In the bioreactor, sludge generated by the reaction of organic matter and aerobic microorganisms contained in wastewater is precipitated, and the sludge and the treated wastewater are moved to the sedimentation unit. According to claim 1,
The bioreactor is provided with a plurality of
A plurality of the bioreactors communicate with each other and wastewater treatment apparatus, characterized in that the wastewater flows. According to claim 1,
In the pure oxygen generating unit, a wastewater treatment device for generating pure oxygen by adsorbing nitrogen molecules in the atmosphere with an adsorbent.

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