Sludge Collector Including a Flow-Rate Control Means for Sediment Discharge

Abstract

The present invention relates to a sludge treatment device, comprising a device housing including an internal space through which treated water flows and a drainage section connected to the internal space through which treated water is discharged, and a partition section disposed above the internal space and having a scum skimmer disposed therein, wherein the internal space is divided into a plurality of spaces by the partition section, and based on the direction of flow of the treated water, the internal space is divided into a first space formed on the front side of the partition section, a second space formed on the lower side of the partition section, and a third space formed on the rear side of the partition section, and may be configured to include a flow rate control means that connects the first space or the second space with the drainage section and controls the flow rate of the treated water flowing from the first space to the second space to control the flow rate of the treated water flowing in the second space. According to the present invention, the effect of improving the purification capacity of the treated water can be expected by suppressing the formation of vortices in the treated water and reducing the floating of sludge.

Description

Technology Field

[0001] The present invention relates to a sludge treatment device, and more specifically, to a sludge treatment device capable of improving sludge removal efficiency while creating a relatively uniform flow rate of the treated water within the device by controlling the flow rate of the treated water. Background Technology

[0003] Sludge is a general term for sediment generated during wastewater treatment, water purification, and the like. If the sludge accumulated during these processes is not removed from the equipment, it can cause equipment failure; therefore, it is necessary to remove the sludge periodically or non-periodically.

[0004] FIG. 1 discloses a form of a conventional sludge treatment device. Referring to FIG. 1, the conventional sludge treatment device (10) may include a device housing (20), a driving unit (30), a chain (40), a bucket (50), a scum skimmer (60), a partition (70), a plurality of sprockets (81-84) and a drainage channel (90).

[0005] The drive unit (30) can be positioned on the upper part of the device housing (20). Among the plurality of sprockets, the drive sprocket (81) can be connected to the rotation axis of the drive unit (30) by a power transmission chain to receive rotational force. The remaining sprockets (82, 83, 84) are spaced apart from each other to support the chain (40).

[0006] The chains (40) can be connected to each other to form an endless track, and buckets (50) can be placed on the chains (40) at predetermined intervals. The buckets (50) can remove sludge accumulated in the lower part of the internal space of the device housing (20).

[0007] The partition section (70) is positioned in the upper part of the internal space of the device housing (20), and a scum skimmer (60) may be positioned in the partition section (70). The scum skimmer (60) collects and removes scum floating on the upper part of the treated water.

[0008] The internal space of the device housing (20) can be divided into a first space (S1) on the front side of the partition (70), a second space (S2) on the lower side of the partition (70), and a third space (S3) on the rear side of the partition (70) based on the partition (70).

[0009] The treated water flows in from the direction of the arrow, passes through the first, second, and third spaces (S1, S2, S3) in sequence, and is discharged to an external drainage tank (91) through the drainage channel (90).

[0010] At this time, if the flow velocity of the treated water in the first space (S1) is defined as the first flow velocity (V1), the flow velocity of the treated water in the second space (S2) is defined as the second flow velocity (V2), and the flow velocity of the treated water in the third space (S3) is defined as the third flow velocity (V3), then in the second space (S2), as the area through which the treated water passes is reduced by the partition (70), the second flow velocity (V2) becomes faster than the first and third flow velocities (V1, V3) according to the law of fluid continuity, and a vortex (Va) is formed in the third space (S3).

[0011] As a result, the sludge (G) accumulated on the bottom of the device housing (20) rises and floats in the third space (S3), and a large amount of sludge is included in the treated water discharged into the drain (90), thereby reducing the purification capacity. The problem to be solved

[0013] The present invention has been devised to solve problems in the relevant technical field as described above, and the objective of the present invention is to provide a sludge treatment device capable of improving sludge removal efficiency while simultaneously creating a relatively uniform flow rate of the treated water within the device by controlling the flow rate of the treated water. means of solving the problem

[0015] The present invention, for achieving the above objectives, relates to a sludge treatment device comprising: a device housing including an internal space through which treated water flows and a drainage section connected to the internal space and through which the treated water is discharged; and a partition section disposed above the internal space and having a scum skimmer disposed therein; wherein the internal space is divided into a plurality of spaces by the partition section, and based on the direction of flow of the treated water, the internal space is divided into a first space formed on the front side of the partition section, a second space formed on the lower side of the partition section, and a third space formed on the rear side of the partition section, and may include a flow rate control means that connects the first space or the second space with the drainage section and controls the flow rate of the treated water flowing from the first space to the second space to control the flow rate of the treated water flowing in the second space.

[0016] In addition, in an embodiment of the present invention, the flow rate control means may include: a bypass unit disposed in the first space or the second space and sucking in treated water; a distribution unit disposed in the internal space connected to the bypass unit and storing treated water sucked in from the bypass unit; and a discharge unit connected between the distribution unit and the drainage unit and discharging treated water from the distribution unit to the drainage unit.

[0017] Additionally, in an embodiment of the present invention, the bypass section comprises: a bypass pipe in which the suction port is disposed in the first space or the second space and the discharge port is connected to the distribution section; and a first control valve disposed in the bypass pipe and controlling the degree of opening and closing of the bypass pipe, wherein the height (H1) of the suction port of the bypass pipe may be disposed higher than the height (H2) of the discharge port of the bypass pipe.

[0018] In addition, in an embodiment of the present invention, the bypass section may further include a mesh section disposed at the suction port of the bypass pipe and removing sludge.

[0019] In addition, in an embodiment of the present invention, the bypass section may further include a funnel section disposed at the suction port of the bypass pipe and expanding the suction range of the treated water.

[0020] Additionally, in an embodiment of the present invention, the discharge section comprises: a discharge pipe in which the suction port is connected to the distribution section and the discharge port is connected to the drainage section; and a second control valve disposed in the discharge pipe and controlling the degree of opening and closing of the discharge pipe, wherein the height (H3) of the suction port of the discharge pipe may be disposed at the same height as or higher than the height (H4) of the discharge port of the discharge pipe.

[0021] In addition, in an embodiment of the present invention, the height (H1) of the suction port of the bypass pipe may be positioned higher than the height (H4) of the discharge port of the discharge pipe.

[0022] In addition, in an embodiment of the present invention, the height (H2) of the discharge port of the bypass pipe may be positioned higher than the height (H3) of the suction port of the discharge pipe.

[0023] In addition, in an embodiment of the present invention, the discharge unit may further include a discharge pump disposed in the discharge pipe and controlling the suction force of the treated water.

[0024] In addition, in an embodiment of the present invention, the distribution unit comprises: a distribution tank disposed in the third space and storing treated water; a top plate disposed at the bottom of the distribution tank and connected to the discharge port of the bypass pipe; and a collection groove disposed at the bottom of the top plate in the distribution tank and collecting sludge, wherein the suction port of the discharge pipe may be connected to the side of the collection groove.

[0025] In addition, in an embodiment of the present invention, the opening and closing of the first and second control valves may be linked to the opening and closing of the scum skimmer.

[0026] In addition, in an embodiment of the present invention, the flow rate control means comprises: a bypass pipe in which the suction port is disposed in the first space or the second space and the discharge port is connected to the drainage section; and a first control valve disposed in the bypass pipe and controlling the degree of opening and closing of the bypass pipe, wherein the height (H1) of the suction port of the bypass pipe may be disposed higher than the height (H2) of the discharge port of the bypass pipe.

[0027] In addition, in an embodiment of the present invention, the flow rate control means may further include a bypass pump disposed in the bypass pipe and controlling the suction force of the treated water.

[0028] In addition, in an embodiment of the present invention, the flow rate control means may include: a first flow meter disposed in the first space and measuring the flow rate of the treated water flowing in the first space; a second flow meter disposed in the second space and measuring the flow rate of the treated water flowing in the second space; and a third flow meter disposed in the third space and measuring the flow rate of the treated water flowing in the third space.

[0029] Additionally, an embodiment of the present invention may further include a moving unit disposed in the device housing and connected to the bypass pipe, which moves the position of the suction port of the bypass pipe between the first space and the second space.

[0030] Additionally, in an embodiment of the present invention, the moving unit may include: a pair of guide sprockets spaced apart at a predetermined interval in the internal space; a guide chain connecting the pair of guide sprockets; a moving block coupled to the guide chain and connected to the bypass pipe; a guide drive unit disposed in the device housing and connected to the guide sprockets; and a guide rail disposed in the internal space and connected to the moving block, and supporting the movement of the moving block.

[0031] In addition, in an embodiment of the present invention, the moving unit further includes a first position sensor disposed at the suction port of the bypass pipe; and a second position sensor disposed at the lower part of the partition wall; and can determine the moving position of the bypass pipe by calculating the distance between the first position sensor and the second position sensor.

[0032] In addition, in an embodiment of the present invention, the bypass tube may be provided with an expandable portion that expands in the longitudinal direction. Effects of the invention

[0034] According to the present invention, the flow rate of the treated water can be controlled to create a relatively uniform flow rate of the treated water within the internal space of the sludge treatment device.

[0035] By minimizing changes in the flow velocity of the treated water, the formation of vortices in the treated water can be suppressed, thereby reducing the floating of sludge accumulated on the bottom of the internal space of the sludge treatment device.

[0036] Ultimately, the amount of sludge contained in the discharged treated water can be reduced, thereby improving the purification capacity of the sludge treatment device. Brief explanation of the drawing

[0038] FIG. 1 is a drawing showing a conventional sludge treatment device. FIG. 2 is a side view showing a first embodiment of the sludge treatment device of the present invention. FIGS. 3a and FIGS. 3b are plan views showing a first embodiment of the sludge treatment device disclosed in FIG. 2. FIG. 4 is a diagram showing the structure of a distribution section in the first embodiment of the sludge treatment device disclosed in FIG. 3a and 3b. FIG. 5a is a drawing showing a second embodiment of the sludge treatment device of the present invention. FIG. 5b is a drawing showing the structure of the distribution section in the second embodiment of the sludge treatment device disclosed in FIG. 5a. FIG. 6 is a drawing showing a third embodiment of the sludge treatment device of the present invention. FIG. 7 is a drawing showing a fourth embodiment of the sludge treatment device of the present invention. FIG. 8a is a drawing showing a fifth embodiment of the sludge treatment device of the present invention. FIG. 8b is a drawing showing the structure of a moving means in the fifth embodiment of the sludge treatment device of the present invention disclosed in FIG. 8a. FIG. 9a is a side view showing a sixth embodiment of the sludge treatment device of the present invention. FIG. 9b is a side view showing a sixth embodiment of the sludge treatment device of the present invention. Specific details for implementing the invention

[0039] The advantages and features of the present invention and the methods for achieving them will become clear by referring to the embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below but may be implemented in various different forms. These embodiments are provided merely to ensure that the disclosure of the present invention is complete and to fully inform those skilled in the art of the scope of the invention, and the present invention is defined only by the scope of the claims.

[0040] Shapes, sizes, ratios, angles, numbers, etc. disclosed in the drawings for explaining embodiments of the present invention are exemplary, and therefore the present invention is not limited to the depicted details. Throughout the specification, the same reference numerals refer to the same components. Furthermore, in describing the present invention, if it is determined that a detailed description of related prior art may unnecessarily obscure the essence of the present invention, such detailed description is omitted. Where terms such as "includes," "has," or "is made up" are used in this specification, other parts may be added unless "only" is used. Where a component is expressed in the singular, it includes cases where it is included in the plural unless specifically stated otherwise.

[0041] In interpreting the components, they are interpreted to include a margin of error even in the absence of a separate explicit statement.

[0042] In the case of describing positional relationships, for example, when the positional relationship between two parts is described using expressions such as 'on,' 'upper,' 'lower,' or 'next to,' one or more other parts may be located between the two parts unless 'immediately' or 'directly' is used.

[0043] Although terms such as "first," "second," etc., are used to describe various components, these components are not limited by these terms. These terms are used merely to distinguish one component from another. Accordingly, the first component mentioned below may be the second component within the technical scope of the present invention.

[0044] Throughout the specification, the same reference numerals refer to the same components.

[0045] The size and thickness of each component shown in the drawings are illustrated for convenience of explanation, and the present invention is not necessarily limited to the size and thickness of the illustrated components.

[0046] The features of each of the various embodiments of the present invention may be combined or combined with one another, either partially or wholly, and as will be fully understood by those skilled in the art, various technical interlocking and operation are possible, and each embodiment may be implemented independently of one another or together in an interlocking relationship.

[0047] Hereinafter, embodiments according to the present invention will be described in detail with reference to the attached drawings. The plurality of embodiments described below may be applied in combination unless they conflict with one another.

[0049] FIGS. 2 to 4 disclose a first embodiment of the sludge treatment device according to the present invention. Referring to FIGS. 2 to 4, the first embodiment of the sludge treatment device (100) according to the present invention may include a device housing (200), a partition (210), a drainage section (220), a chain (231), a bucket (232), a plurality of sprockets (241 to 244), and a flow rate control means (300).

[0050] The above device housing (200) can form the overall shape of the sludge treatment device (100), and an internal space (S) through which treated water flows can be formed inside the device housing (200).

[0051] The above partition (210) may be positioned at the top of the internal space (S) and may be spaced apart from the bottom of the internal space (S) at a predetermined distance. Additionally, a scum skimmer (219) for collecting scum floating on the top of the treated water may be positioned in the partition (210).

[0052] In an embodiment of the present invention, the internal space (S) can be divided into a plurality of spaces by the partition (210).

[0053] Specifically, referring to FIG. 2, the internal space (S) can be divided into a first space (S1) formed on the front side of the partition (210), a second space (S2) formed on the lower side of the partition (210), and a third space (S3) formed on the rear side of the partition (210) based on the flow direction (K) of the treated water.

[0054] The above drainage section (220) is connected to an internal space (S) and can discharge treated water flowing through the internal space (S) to the outside. This drainage section (220) may include a drainage channel (221) and a drainage tank (223), wherein the drainage channel (221) may be arranged horizontally in the X-axis direction along the flow direction (K) of the treated water above the third space (S3). A drainage pipe (221a) is connected to one end of the drainage channel (221), and the treated water flowing along the drainage channel (221) can be discharged into the drainage tank (223) through the drainage pipe (221a).

[0055] At this time, the height of the drainage channel (221) can be positioned slightly lower than the water level (W) of the treated water so that the purified treated water, from which some sludge has been removed, can flow along the drainage channel (221). Typically, sludge settles at the bottom of the internal space (S), and scum is collected and removed by a scum skimmer in the first space (S1). Therefore, only relatively clean treated water remains near the water level of the treated water that passes through the first and second spaces (S1, S2) and flows through the upper part of the third space (S3). In order to discharge only this treated water to the outside, the height of the drainage channel (221) is positioned at the upper part of the third space (S3), but is positioned slightly lower than the water level (W) of the treated water.

[0056] The above plurality of sprockets (241 to 244) may be arranged in an internal space (S) to drive a chain (231). Referring to FIG. 2, a drive sprocket (241) is connected to a sprocket drive unit (245) by a power transmission chain, and the sprocket drive unit (245) rotates the drive sprocket (241).

[0057] In addition, the remaining sprockets (242 to 244) may be arranged in the internal space (S) at a predetermined distance. These multiple sprockets (241 to 244) are connected by engaging with the chain (231), and when the drive sprocket (241) rotates, the remaining sprockets (242 to 244) rotate together, thereby rotating the chain (231) connected in an endless track form.

[0058] A plurality of buckets (232) may be placed on the chain (231), and the buckets (232) can scoop up the sludge that has settled and accumulated on the bottom of the internal space (S) and transfer it to a separate facility for removal, although this is not shown in the drawing.

[0060] Meanwhile, when the treated water flows into the internal space (S) of the device housing (200) as indicated by the arrow (K), it can flow at a first flow rate (V1) in the first space (S1), at a second flow rate (V2) in the second space (S2), and at a third flow rate (V3) in the third space (S3).

[0061] Here, a first flow meter (361) is placed in the first space (S1), a second flow meter (362) in the second space (S2), and a third flow meter (363) in the third space (S3), and the flow velocity of the treated water flowing through each space can be measured.

[0062] According to the law of fluid continuity, when treated water flows from a first space (S1), where the flow area of ​​the treated water is large, to a second space (S2), where the flow area of ​​the treated water becomes relatively narrow, the flow velocity of the treated water increases. That is, the second flow velocity (V2) has a larger value than the first flow velocity (V1).

[0063] And when the treated water flows from the second space (S2), where the flow area of ​​the treated water is small, to the third space (S3), where the flow area of ​​the treated water becomes relatively larger again, the flow velocity of the treated water decreases again. That is, the third flow velocity (V3) has a smaller value compared to the second flow velocity (V2).

[0064] Here, when the treated water passes through the second space (S2), the flow velocity increases according to the law of fluid continuity, so a vortex is formed in the third space (S3).

[0065] At this time, sludge accumulates on the bottom of the internal space (S), and as the speed increases when the treated water passes through the second space (S2) from the lower part of the partition (210), it forms a vortex in the third space (S3), the sludge floats and mixes with the treated water, and spreads out in the third space (S3).

[0066] In this case, sludge is mixed in with the upper part of the treated water, and when the treated water is discharged into the drainage channel (221), the sludge is also introduced and can be discharged into the drainage tank (223). As a result, the purification performance of the sludge treatment device (100) is reduced.

[0067] To solve this problem, a flow rate control means (300) can be placed in the internal space (S) of the device housing (200).

[0069] The above flow rate control means (300) connects the first space (S1) or the second space (S2) with the drainage section (220), and can control the flow rate of the treated water flowing from the first space (S1) to the second space (S2) to control the flow rate of the treated water flowing in the second space (S2).

[0070] In the first embodiment of the present invention, the flow rate control means (300) may include a bypass section (310), a discharge section (330), and a distribution section (320).

[0071] The above bypass unit (310) is positioned in the first space (S1) or the second space (S2) and can suck in treated water.

[0072] Specifically, the bypass section (310) may include a bypass pipe (311), a first control valve (314), a mesh section (312), and a funnel section (313).

[0073] The bypass pipe (311) is a part into which treated water is sucked in, and the suction port of the bypass pipe (311) may be placed in the first space (S1) or the second space (S2), and the discharge port of the bypass pipe (311) may be connected to the bottom plate (322) of the distribution tank (321) constituting the distribution section (320).

[0074] The first control valve (314) can control the degree of opening and closing of the bypass pipe (311), and this may be a method in which the operator manually turns a handle to open and close it or a method in which it is opened and closed through electronic control, and various other methods may be adopted.

[0075] The mesh portion (312) may be a mesh-shaped plate and may be placed at the suction port of the bypass pipe (311). When treated water is sucked into the suction port of the bypass pipe (311), sludge contained in the treated water may be caught on the mesh portion (312).

[0076] The funnel section (313) may be a funnel-shaped plate and may be placed at the suction port of the bypass pipe (311). The funnel section (313) can expand the suction area of ​​the bypass pipe (311) so that the suction range of the treated water can be expanded when forcibly sucked in using a device such as a pump.

[0077] The height of the funnel section (313) can be adjusted according to the turbidity of the surrounding treated water.

[0079] The above discharge section (330) is connected between the distribution section (320) and the drainage section (220), and can discharge treated water from the distribution section (320) to the drainage section (220).

[0080] Specifically, the discharge section (330) may include a discharge pipe (331), a second control valve (333), and a discharge pump (335).

[0081] The discharge pipe (331) is a part through which treated water is discharged into the drainage tank (223), and the suction port of the discharge pipe (331) can be connected to the side of the collection groove (323) constituting the distribution part (320), and the discharge port of the discharge pipe (331) can be connected to the drainage tank (223) of the drainage part (220).

[0082] The second control valve (333) can control the degree of opening and closing of the discharge pipe (331), and this may be a method in which the operator manually turns a handle to open and close it or a method in which it is opened and closed through electronic control, and various other methods may be adopted.

[0083] A discharge pump (335) can be placed in a discharge pipe (331), and the discharge pipe (331) can control the suction force of the treated water being sucked in from the distribution tank (321).

[0085] The above distribution unit (320) is connected to and positioned in the internal space (S) of the device housing (200) to the bypass unit (310), and can temporarily store the treated water sucked from the bypass unit (310) and distribute it to the discharge unit (330).

[0086] Specifically, referring to FIG. 4, the distribution unit (320) may include a distribution plate (321), a bottom plate (322), and a collection groove (323).

[0087] The distribution tank (321) can be placed at the top of the third space (S3) and can temporarily store the treated water sucked from the bypass pipe (311).

[0088] The bottom plate (322) can be placed at the bottom of the distribution tank (321) and the outlet of the bypass pipe (311) can be connected.

[0089] The collection groove (323) can be placed at the bottom of the bottom plate (322) in the distribution tank (321) and sludge can be collected. Referring to FIG. 4, inclined plates are formed on both sides of the collection groove (323), and sludge can be collected by flowing down the inclined plates into the collection groove (323).

[0090] As described above, a mesh portion (312) is provided at the suction port of the bypass pipe (311) so that most of the sludge can be filtered out, but even if a small amount is contained, it can settle in the collection groove (323) and be removed from the treated water.

[0092] Meanwhile, in the first embodiment of the present invention, with reference to FIG. 2, the height (H1) of the suction port of the bypass pipe (311) may be positioned higher than the height (H2) of the discharge port of the bypass pipe (311).

[0093] In this case, the height (H1) of the suction port of the bypass pipe (311) is positioned higher than the height of the bottom plate (322) of the distribution tank (321) connected to the discharge port of the bypass pipe (311), so that the treated water can flow from the suction port of the bypass pipe (311) into the distribution tank (321).

[0094] The treated water can be stored inside the distribution tank (321) by forming a water level corresponding to the height (H1) of the suction port of the bypass pipe (311).

[0095] And the height (H3) of the suction port of the discharge pipe (331) may be the same as or higher than the height (H4) of the discharge port of the discharge pipe (331).

[0096] According to the connection structure between the bypass pipe (311), the distribution tank (321), and the discharge pipe (331) described above, the height (H2) of the discharge port of the bypass pipe (311) can be positioned higher than the height (H3) of the suction port of the discharge pipe (331).

[0097] And the height (H1) of the suction port of the bypass pipe (311) can be positioned higher than the height (H4) of the discharge port of the discharge pipe (331).

[0098] Accordingly, the water level formed by the treated water inside the distribution tank (321) is positioned higher than the height (H3) of the suction port of the discharge pipe (331) and the height (H4) of the discharge port of the discharge pipe (331), so the treated water can be discharged from the distribution tank (321) to the drainage tank (223) due to the height difference.

[0099] In addition, since the height (H) of the suction port of the bypass pipe (311) is positioned higher than the height (H4) of the discharge port of the discharge pipe (331), the treated water can be discharged from the suction port of the bypass pipe (311) to the drainage tank (223) due to the height difference.

[0101] Meanwhile, referring to FIGS. 3a and 3b, to prevent interference with a bucket (232) moving along a pair of chains (231), a bypass pipe (311) may be positioned on the outside of a pair of chains (231), and a discharge pipe (331) may be positioned on the inside of a pair of chains (231). This arrangement is intended to prevent interference with a bucket (232) moving along a chain (231). Alternatively, the discharge pipe (331) may be positioned on the outside of a pair of chains (2310).

[0102] Referring to FIG. 2, when the bucket (232) passes through the lower part of the bulkhead (210) along the chain (231), that is, when moving between the first space (S1) and the second space (S2), the bypass pipe (311) is positioned on the outside of the pair of chains (231), so there is no interference with the bypass pipe (311). Also, when the bucket (232) moves through the third space (S3) along the chain (231), the discharge pipe (331) is positioned on the upper part of the chain (231), so there is no interference with the discharge pipe (331).

[0104] Meanwhile, referring to FIGS. 9a and 9b, a sixth embodiment of the sludge treatment device (100) of the present invention is disclosed. Although omitted in FIGS. 9a and 9b, a chain and a bucket and a remaining sprocket that rotates them may be arranged as in FIG. 2.

[0105] In the sixth embodiment, other configurations are the same as in the first embodiment, but the inlet of the bypass tube (311) may be positioned close to the scum skimmer (219).

[0106] In this case, depending on the operation of the scum skimmer (219), it can be determined whether to discharge the treated water by bypassing it through the bypass pipe (311). That is, in the sixth embodiment, the opening and closing of the first and second control valves (314, 333) can be linked to the opening and closing of the scum skimmer (219).

[0107] Specifically, when the scum skimmer (219) is opened through the control panel (219a) to collect scum, the first and second control valves (314, 333) can be opened to allow the relatively scum-removed treated water to flow in. Conversely, when the scum skimmer (219) is closed through the control panel (219a), the first and second control valves (314, 333) can be closed to stop the bypass flow of treated water in order to prevent the inflow of treated water with a high scum content.

[0108] Of course, the first and second control valves (314, 333) can be operated individually as needed, regardless of whether the scum skimmer (219) is operating.

[0110] The configuration of the present invention is as described above, and below, a method for controlling the flow rate of a sludge treatment device (100) according to an embodiment of the present invention will be described.

[0111] A flow rate control method of a sludge treatment device (100) according to an embodiment of the present invention may be configured to include the steps of measuring a first flow rate (V1) value of the treated water in a first space (s1), measuring a second flow rate (V2) value of the treated water in a second space (S2), determining the difference between the first flow rate (V1) value and the second flow rate (V2) value, and controlling the flow rate of the treated water flowing from the first space (S1) to the second space (S2).

[0112] First, when the treated water flows into the first space (S1), the first flow meter (361) measures the first flow rate (V1) of the treated water, and when the treated water flows into the second space (S2), the second flow meter (362) measures the second flow rate (V2) of the treated water. Then, when the treated water flows into the third space (S3), the third flow meter (363) measures the third flow rate (V3) of the treated water.

[0113] When the measured flow rate values ​​are compared and the difference between the first flow rate (V1) and the second flow rate (V2) is large, the flow rate of the treated water in the first space (S1) is reduced to reduce the amount of treated water flowing from the first space (S1) to the second space (S2).

[0114] At this time, an allowable error range between the first flow velocity (V1) and the second flow velocity (V2) may be pre-set, and in this case, when the second flow velocity (V2) forms a large flow velocity value that exceeds the allowable error range for the first flow velocity (V1), the flow rate of the treated water in the first space (S1) may be set to be reduced in advance.

[0115] To control the flow rate of treated water flowing from the first space (S1) to the second space (S2), the operator uses a control device to open the first control valve (314) and the second control valve (333) and drives the discharge pump (335). Alternatively, this operation can be performed by automatic control.

[0116] As the discharge pump (335) operates, the treated water stored in the distribution tank (321) is discharged along the discharge pipe (331).

[0117] At this time, since the height of the suction port of the bypass pipe (311) and the water level of the treated water stored in the distribution tank (321) are maintained at the same level, when the treated water of the distribution tank (321) is discharged through the discharge pipe (331), the treated water of the first space (S1) is introduced through the suction port of the bypass pipe (311) to maintain the water level.

[0118] The operator monitors the first flow rate (V1) measured by the first flow meter (361) and the second flow rate (V2) measured by the second flow meter (362), and determines whether the second flow rate (V2) forms a value similar to the first flow rate (V1) or, if there is a preset allowable error range, whether it is lowered to within that allowable error range.

[0119] If it is necessary to lower the second flow rate (V2) more quickly, or if it is necessary to reduce the flow rate of the treated water in the first space (S1) with a strong force to lower the second flow rate (V2) further, the operator can increase the power of the discharge pump (335).

[0120] The discharge pump (335) causes the treated water to be discharged more quickly with a stronger force, thereby drawing in the flow rate of the treated water from the first space (S1) more quickly at the suction port of the bypass pipe (311).

[0121] Afterwards, when the flow velocity values ​​between the first flow velocity (V1) and the second flow velocity (V2) are formed to be similar or lowered to the allowable error range, the power of the discharge pump (335) is adjusted so that the flow velocity values ​​between them are maintained at a constant level.

[0122] As described above, by reducing the amount of treated water flowing from the first space (S1) into the second space (S2) in advance, the first flow velocity (V1) of the first space (S1) and the second flow velocity (V2) of the second space (S2) are set to similar values. Accordingly, the phenomenon of sludge (G) accumulated on the bottom of the internal space (S) rising due to a sudden change in the flow velocity of the treated water in the second space (S2) can be mitigated.

[0124] FIGS. 5a and 5b disclose a second embodiment of the sludge treatment device according to the present invention. Referring to FIGS. 5a and 5b, in the second embodiment of the sludge treatment device (100) according to the present invention, the number of bypass pipes (311) and discharge pipes (331) can be configured differently.

[0125] In the first embodiment, two bypass pipes (311) and two discharge pipes (331) are each connected to the distribution tank (321), but in the second embodiment, the number of bypass pipes (311) and discharge pipes (331) can be configured differently.

[0126] For example, as shown in FIGS. 5a and 5b, the number of bypass pipes (311) can be configured to be two and the number of discharge pipes (331) to be one. By changing the number of pipes, the flow rate of treated water sucked in from the first space (S1) and the flow rate of treated water discharged can be controlled. Basically, the total flow rate can be controlled through the discharge pump (335).

[0127] In this case as well, to avoid interference with the bucket (232) moving along the chain (231), the bypass pipe (311) can be placed on the outside of the chain (231). And the discharge pipe (331) can be placed on the upper inside of the chain (231).

[0128] At this time, the collection groove (323) may be configured as a single unit and placed at the lower central side of the distribution tank (321), and the bottom plate (322) may be placed on both lower sides of the distribution tank (321). A small amount of sludge contained in the treated water introduced through the bypass pipe (311) can be collected in the collection groove (323).

[0129] Although not illustrated in the drawing, the discharge pipes (331) may be configured in a greater number than the bypass pipes (311). In this case as well, they may be designed to be positioned so as not to interfere with the movement of the chain (231) and bucket (232).

[0132] Meanwhile, FIG. 6 discloses a third embodiment of the sludge treatment device (100) of the present invention. Referring to FIG. 6, the third embodiment of the sludge treatment device (100) of the present invention may include a device housing (200), a partition (210), a drainage section (220), a chain (231), a bucket (232), a plurality of sprockets (241 to 244), and a flow rate control means (300).

[0133] The configuration of the above device housing (200), partition (210), drainage (220), chain (231), bucket (232), and multiple sprockets (241~244) is the same as that of the first embodiment, so the description is omitted, and the flow rate control means (300) will be described below.

[0134] In the third embodiment of the present invention, the flow rate control means (300) connects the first space (S1) or the second space (S2) with the drainage portion (220), and can control the flow rate of the treated water flowing from the first space (S1) to the second space (S2) to control the flow rate of the treated water flowing in the second space (S2).

[0135] These flow rate control means (300) may include a bypass pipe (311), a mesh section (312), a funnel section (313), a first control valve (314), and a bypass pump (315).

[0136] Specifically, the bypass pipe (311) is a part where treated water is sucked in, and the suction port of the bypass pipe (311) can be placed in the first space (S1) or the second space (S2), and the discharge port of the bypass pipe (311) can be connected to the drainage tank (223).

[0137] The first control valve (314) can control the degree of opening and closing of the bypass pipe (311), and this may be a method in which the operator manually turns a handle to open and close it or a method in which it is opened and closed through electronic control, and various other methods may be adopted.

[0138] The mesh portion (312) may be a mesh-shaped plate and may be placed at the suction port of the bypass pipe (311). When treated water is sucked into the suction port of the bypass pipe (311), sludge contained in the treated water may be caught on the mesh portion (312).

[0139] The funnel section (313) may be a funnel-shaped plate and may be placed at the suction port of the bypass pipe (311). The funnel section (313) can expand the suction area of ​​the bypass pipe (311) so that the suction range of the treated water can be expanded when forcibly sucked in using a device such as a pump.

[0140] The bypass pump (315) can be placed in the bypass pipe (311) and can control the suction power of the treated water.

[0141] Here, the height (H1) of the suction port of the bypass pipe (311) can be positioned higher than the height (H2) of the discharge port of the bypass pipe (311).

[0142] Therefore, the treated water flowing into the suction port of the bypass pipe (311) due to the height difference can be smoothly discharged into the drainage tank (223).

[0144] The configuration of the present invention is as described above, and below, a method for controlling the flow rate of a sludge treatment device (100) according to an embodiment of the present invention will be described.

[0145] A flow rate control method of a sludge treatment device (100) according to an embodiment of the present invention may be configured to include the steps of measuring a first flow rate (V1) value of the treated water in a first space (s1), measuring a second flow rate (V2) value of the treated water in a second space (S2), determining the difference between the first flow rate (V1) value and the second flow rate (V2) value, and controlling the flow rate of the treated water flowing from the first space (S1) to the second space (S2).

[0146] First, when the treated water flows into the first space (S1), the first flow meter (361) measures the first flow rate (V1) of the treated water, and when the treated water flows into the second space (S2), the second flow meter (362) measures the second flow rate (V2) of the treated water. Then, when the treated water flows into the third space (S3), the third flow meter (363) measures the third flow rate (V3) of the treated water.

[0147] When the measured flow rate values ​​are compared and the difference between the first flow rate (V1) and the second flow rate (V2) is large, the flow rate of the treated water in the first space (S1) is reduced to reduce the amount of treated water flowing from the first space (S1) to the second space (S2).

[0148] At this time, an allowable error range between the first flow velocity (V1) and the second flow velocity (V2) may be pre-set, and in this case, when the second flow velocity (V2) forms a large flow velocity value that exceeds the allowable error range for the first flow velocity (V1), the flow rate of the treated water in the first space (S1) may be set to be reduced in advance.

[0149] To control the flow rate of treated water flowing from the first space (S1) to the second space (S2), the operator uses a control device to open the first control valve (314) and drive the bypass pump (315). Alternatively, this operation can be performed by automatic control.

[0150] When the bypass pump (315) is driven, the treated water of the first space (S1) flows in through the suction port of the bypass pipe (311) and is discharged into the drainage tank (223).

[0151] The operator monitors the first flow rate (V1) measured by the first flow meter (361) and the second flow rate (V2) measured by the second flow meter (362), and determines whether the second flow rate (V2) forms a value similar to the first flow rate (V1) or, if there is a preset allowable error range, whether it is lowered to within that allowable error range.

[0152] If it is necessary to lower the second flow rate (V2) more quickly, or if it is necessary to reduce the flow rate of the treated water in the first space (S1) with a strong force to lower the second flow rate (V2) further, the operator can increase the power of the discharge pump (335).

[0153] The bypass pump (315) causes the treated water to be discharged more quickly with a stronger force, thereby drawing in the flow rate of the treated water from the first space (S1) more quickly at the suction port of the bypass pipe (311).

[0154] Afterwards, when the flow velocity values ​​between the first flow velocity (V1) and the second flow velocity (V2) are formed to be similar or lowered to the allowable error range, the power of the bypass pump (315) is adjusted so that the flow velocity values ​​between them are maintained at a constant level.

[0155] As described above, by reducing the amount of treated water flowing from the first space (S1) into the second space (S2) in advance, the first flow velocity (V1) of the first space (S1) and the second flow velocity (V2) of the second space (S2) are set to similar values. Accordingly, the phenomenon of sludge (G) accumulated on the bottom of the internal space (S) rising due to a sudden change in the flow velocity of the treated water in the second space (S2) can be mitigated.

[0158] Meanwhile, FIG. 7 discloses a fourth embodiment of the sludge treatment device of the present invention. Referring to FIG. 7, the fourth embodiment of the sludge treatment device (100) of the present invention may include a device housing (200), a partition (210), a drainage section (220), a chain (231), a bucket (232), a plurality of sprockets (241-244), and a flow rate control means (300).

[0159] The configuration of the above device housing (200), partition (210), drainage (220), chain (231), bucket (232), and multiple sprockets (241~244) is the same as that of the first embodiment, so the description is omitted, and the flow rate control means (300) will be described below.

[0160] In the fourth embodiment of the present invention, the flow rate control means (300) connects the first space (S1) or the second space (S2) with the drainage portion (220), and can control the flow rate of the treated water flowing from the first space (S1) to the second space (S2) to control the flow rate of the treated water flowing in the second space (S2).

[0161] The above flow rate control means (300) may include a bypass section (310), a discharge section (330), and a distribution section (320). Since the configuration of the discharge section (330) and the distribution section (320) is the same as that of the first embodiment, the description is omitted, and the bypass section (310) will be described below.

[0162] The above bypass unit (310) is positioned in the first space (S1) or the second space (S2) and can suck in treated water.

[0163] Specifically, the bypass section (310) may include a bypass pipe (311), a first control valve (314), a mesh section (312), a funnel section (313), and a bypass pump (315).

[0164] The bypass pipe (311) is a part into which treated water is sucked in, and the suction port of the bypass pipe (311) may be placed in the first space (S1) or the second space (S2), and the discharge port of the bypass pipe (311) may be connected to the bottom plate (322) of the distribution tank (321) constituting the distribution section (320).

[0165] The first control valve (314) can control the degree of opening and closing of the bypass pipe (311), and this may be a method in which the operator manually turns a handle to open and close it or a method in which it is opened and closed through electronic control, and various other methods may be adopted.

[0166] The mesh portion (312) may be a mesh-shaped plate and may be placed at the suction port of the bypass pipe (311). When treated water is sucked into the suction port of the bypass pipe (311), sludge contained in the treated water may be caught on the mesh portion (312).

[0167] The funnel section (313) may be a funnel-shaped plate and may be placed at the suction port of the bypass pipe (311). The funnel section (313) can expand the suction area of ​​the bypass pipe (311) so that the suction range of the treated water can be expanded when forcibly sucked in using a device such as a pump.

[0168] The bypass pump (315) can be placed in the bypass pipe (311) and can control the suction power of the treated water.

[0169] Here, the suction port of the bypass pipe (311) can be positioned facing in the opposite direction to the flow direction (K) of the treated water at the boundary between the first space (S1) and the second space (S2).

[0170] In this case, the height (H1) of the suction port of the bypass pipe (311) can be positioned lower than the height (H2) of the discharge port of the bypass pipe (311).

[0171] When the treated water enters the second space (S2) from the first space (S1), if a significant change in flow velocity occurs, the operator opens the first control valve (314) and operates the bypass pump (315). Since the suction port of the bypass pipe (311) is located at the boundary between the first space (S1) and the second space (S2), when the bypass pump (315) is driven according to the change in the flow velocity of the treated water, the effect of immediately reducing the flow rate of the treated water can be achieved. That is, the flow rate of the treated water entering the second space (S2) from the first space (S1) can be reduced more quickly, thereby suppressing the rapid increase of the second flow velocity (V2) in the second space (S2) compared to the first flow velocity (V1) in the first space (S1) through flow rate reduction.

[0173] The configuration of the present invention is as described above, and below, a method for controlling the flow rate of a sludge treatment device (100) according to an embodiment of the present invention will be described.

[0174] A flow rate control method of a sludge treatment device (100) according to an embodiment of the present invention may be configured to include the steps of measuring a first flow rate (V1) value of the treated water in a first space (s1), measuring a second flow rate (V2) value of the treated water in a second space (S2), determining the difference between the first flow rate (V1) value and the second flow rate (V2) value, and controlling the flow rate of the treated water flowing from the first space (S1) to the second space (S2).

[0175] First, when the treated water flows into the first space (S1), the first flow meter (361) measures the first flow rate (V1) of the treated water, and when the treated water flows into the second space (S2), the second flow meter (362) measures the second flow rate (V2) of the treated water. Then, when the treated water flows into the third space (S3), the third flow meter (363) measures the third flow rate (V3) of the treated water.

[0176] When the measured flow rate values ​​are compared and the difference between the first flow rate (V1) and the second flow rate (V2) is large, the flow rate of the treated water in the first space (S1) is reduced to reduce the amount of treated water flowing from the first space (S1) to the second space (S2).

[0177] At this time, an allowable error range between the first flow velocity (V1) and the second flow velocity (V2) may be pre-set, and in this case, when the second flow velocity (V2) forms a large flow velocity value that exceeds the allowable error range for the first flow velocity (V1), the flow rate of the treated water in the first space (S1) may be set to be reduced in advance.

[0178] To control the flow rate of treated water flowing from the first space (S1) to the second space (S2), the operator uses a control device to open the first control valve (314) and the second control valve (333) and drives the bypass pump (315) and the discharge pump (335). Alternatively, this operation can be performed by automatic control.

[0179] When the bypass pump (315) is driven, the treated water of the first space (S1) flows into the distribution tank (321) through the suction port of the bypass pipe (311). Then, when the discharge pump (335) is driven, the treated water stored in the distribution tank (321) is discharged along the discharge pipe (331). The flow rate of the treated water discharged from the distribution tank (321) can be controlled by changing the power of the discharge pump (3350).

[0180] The operator monitors the first flow rate (V1) measured by the first flow meter (361) and the second flow rate (V2) measured by the second flow meter (362), and determines whether the second flow rate (V2) forms a value similar to the first flow rate (V1) or, if there is a preset allowable error range, whether it is lowered to within that allowable error range.

[0181] If it is necessary to lower the second flow rate (V2) more quickly, or if it is necessary to reduce the flow rate of the treated water in the first space (S1) with a strong force to lower the second flow rate (V2) further, the operator can increase the power of the bypass pump (315).

[0182] The bypass pump (315) causes the treated water to be discharged more quickly with a stronger force, thereby drawing in the flow rate of the treated water from the first space (S1) more quickly at the suction port of the bypass pipe (311).

[0183] Afterwards, when the flow velocity values ​​between the first flow velocity (V1) and the second flow velocity (V2) are formed to be similar or lowered to the allowable error range, the power of the bypass pump (315) is adjusted so that the flow velocity values ​​between them are maintained at a constant level.

[0184] As described above, by reducing the amount of treated water flowing from the first space (S1) into the second space (S2) in advance, the first flow velocity (V1) of the first space (S1) and the second flow velocity (V2) of the second space (S2) are set to similar values. Accordingly, the phenomenon of sludge (G) accumulated on the bottom of the internal space (S) rising due to a sudden change in the flow velocity of the treated water in the second space (S2) can be mitigated.

[0187] Meanwhile, FIGS. 8a and 8b disclose a fifth embodiment of the sludge treatment device of the present invention. Referring to FIGS. 8a and 8b, the fifth embodiment of the present invention may include a device housing (200), a partition (210), a drainage section (220), a chain (231), a bucket (232), a plurality of sprockets (241 to 244), and a flow rate control means (300).

[0188] The configuration of the above device housing (200), partition (210), drainage (220), chain (231), bucket (232), and multiple sprockets (241~244) is the same as that of the first embodiment, so the description is omitted, and the flow rate control means (300) will be described below.

[0189] In the fifth embodiment of the present invention, the flow rate control means (300) connects the first space (S1) or the second space (S2) with the drainage portion (220), and can control the flow rate of the treated water flowing from the first space (S1) to the second space (S2) to control the flow rate of the treated water flowing in the second space (S2).

[0190] The above flow rate control means (300) may include a bypass section (310), a discharge section (330), a distribution section (320), and a moving means (350). Since the configuration of the bypass section (310), the discharge section (330), and the distribution section (320) is the same as that of the fourth embodiment, the description is omitted, and the moving means (350) will be described below.

[0191] The above moving means (350) is placed in the device housing (200) and connected to the bypass pipe (311), and can move the position of the suction port of the bypass pipe (311) between the first space (S1) and the second space (S2).

[0192] These moving means (350) may include a guide sprocket (352), a guide chain (353), a moving block (354), a guide drive unit (355), and a guide rail (351).

[0193] A pair of guide sprockets (352) may be arranged in the internal space (S) of the device housing (200) at a predetermined distance apart.

[0194] The guide chain (353) connects a pair of guide sprockets (352) and can be arranged in an endless track form.

[0195] The moving block (354) can be coupled to the guide chain (353) and connected to the bypass pipe (311).

[0196] The guide drive unit (355) can be positioned on the upper part of the device housing (200), connected to the guide sprocket (352), and can rotate the guide sprocket (352). As the guide sprocket (352) rotates, the guide chain (353) can move.

[0197] The guide rail (351) is placed in the internal space (S) and connected to the movable block (354), and can support the movement of the movable block (354). When the movable block (354) is connected only to the guide chain (353), if the guide chain (353) moves while sagging, the movable block (354) also moves while sagging. At this time, as the guide rail (351) supports the lower part of the movable block (354), the movable block (354) can move stably in the horizontal direction without sagging.

[0198] When the guide sprocket (352) rotates and the guide chain (353) moves, the moving block (354) connected to the guide chain (353) moves along the guide chain (353) toward the first space (S1) or the second space (S2).

[0199] At this time, since the bypass tube (311) is connected to the moving block (354), the bypass tube (311) also moves in the direction of the first space (S1) or the second space (S2).

[0200] Here, an expandable portion (316) that expands in the longitudinal direction may be formed in the bypass pipe (311). In an embodiment of the present invention, the expandable portion (316) may be a structure that expands in a bellows shape, but is not necessarily limited thereto.

[0201] When the moving block (354) moves toward the first space (S1) or the second space (S2), the extension part (316) is extended, enabling the movement of the bypass pipe (311).

[0202] The operator can adjust the position where the treated water is to be sucked in from the first and second spaces (S1, S2) by driving the above-mentioned moving means (350) to adjust the position of the suction port of the bypass pipe (311). For example, there may be a case where the position of the suction port of the bypass pipe (311) is to be placed at the boundary of the first and second spaces (S1, S2) in order to respond more spontaneously to changes in the flow rate of the treated water.

[0203] The operator can change the position of the suction port of the bypass pipe (311) to the boundary area of ​​the first and second spaces (S1, S2) by driving the guide drive unit (355) to adjust the position of the moving block (354).

[0204] The position of the suction port of the bypass pipe (311) in the first and second spaces (S1, S2) can be determined through the first position sensor (358) attached to the suction port of the bypass pipe (311) and the second position sensor (359) attached to the lower part of the partition (210).

[0205] That is, the position of the suction port of the bypass tube (311) in the first and second spaces (S1, S2) can be determined through the mutual measurement distance between the first position sensor (358) and the second position sensor (359).

[0206] Alternatively, the position of the suction port of the bypass pipe (311) can be determined by calculating the driving value of the guide drive unit (355). For example, if the guide drive unit (355) is a motor, the position of the suction port of the bypass pipe (311) can be determined by calculating the number of rotations of the motor. This can be applied when the treatment water is turbid and signal detection by the first and second position sensors (358, 359) is unclear.

[0207] The present invention can control the flow rate of the treated water through the configuration and operation method described above, thereby creating a relatively uniform flow rate of the treated water in the internal space of the sludge treatment device (100). In addition, by minimizing changes in the flow rate of the treated water, the formation of vortices in the treated water is suppressed, thereby reducing the floating of sludge accumulated on the bottom of the internal space (S) of the sludge treatment device (100). Ultimately, the amount of sludge contained in the discharged treated water can be reduced, thereby improving the purification capacity of the sludge treatment device (100).

[0208] The above description merely illustrates specific embodiments of a sludge treatment device.

[0209] Therefore, it should be noted that those skilled in the art can easily understand that the present invention may be substituted or modified in various forms without departing from the spirit of the invention as described in the following claims. Explanation of the symbols

[0211] 100: Sludge treatment device 200: Device housing 210: Bulkhead section 220: Drainage section 221: Drainage channel 223: Drainage tank 231: Chain 232: Bucket 300: Flow rate control means 310: Bypass section 311: Bypass pipe 312: Mesh section 313: Funnel section 314: First control valve 315: Bypass pump 316: Expansion part 320;Distribution Department 321:Distribution Group 322: Bottom plate 323: Collection home 330: Discharge section 331: Discharge pipe 333: Second control valve 335: Discharge pump 350: Means of transportation 351: Guide rail 352: Guide Sprocket 353: Guide Chain 354: Moving block 355: Guide drive unit 358: 1st position sensor 359: 2nd position sensor 361: 1st flow meter 362: 2nd flow meter 363: Third flow meter S: Internal space of the device housing S1:1st space S2:2nd space S3: Third space V1: First flow velocity V2: Second flow velocity V3: Third flow velocity

Claims

Claim 1 A device housing comprising an internal space through which treated water flows and a drainage section connected to the internal space and through which the treated water is discharged; and a partition section disposed above the internal space and having a scum skimmer disposed therein; wherein the internal space is divided into a plurality of spaces by the partition section, and based on the direction of flow of the treated water, the internal space is divided into a first space formed on the front side of the partition section, a second space formed on the lower side of the partition section, and a third space formed on the rear side of the partition section; and a flow rate control means connecting the first space or the second space to the drainage section and controlling the flow rate of the treated water flowing from the first space to the second space to control the flow rate of the treated water flowing in the second space; wherein the flow rate control means comprises: a bypass section disposed in the first space or the second space and sucking in the treated water; and a distribution section disposed in the internal space connected to the bypass section and storing the treated water sucked in from the bypass section. A sludge treatment device comprising: a discharge section connected between the distribution section and the drainage section, and discharging treated water from the distribution section to the drainage section; wherein the bypass section comprises a bypass pipe in which the suction port is disposed in the first space or the second space and the discharge port is connected to the distribution section, wherein the height (H1) of the suction port of the bypass pipe is disposed higher than the height (H2) of the discharge port of the bypass pipe; and wherein the discharge section comprises a discharge pipe in which the suction port is connected to the distribution section and the discharge port is connected to the drainage section, wherein the height (H3) of the suction port of the discharge pipe is disposed equal to or higher than the height (H4) of the discharge port of the discharge pipe, the height (H1) of the suction port of the bypass pipe is disposed higher than the height (H4) of the discharge port of the discharge pipe, and the height (H2) of the discharge port of the bypass pipe is disposed higher than the height (H3) of the suction port of the discharge pipe. Claim 2 delete Claim 3 A sludge treatment device according to claim 1, wherein the bypass section further comprises a first control valve disposed in the bypass pipe and controlling the degree of opening and closing of the bypass pipe. Claim 4 In paragraph 3, the sludge treatment device further comprises: a bypass section disposed at the suction port of the bypass pipe and a mesh section for removing sludge. Claim 5 A sludge treatment device according to paragraph 3, wherein the bypass section further comprises a funnel section disposed at the suction port of the bypass pipe and expanding the suction range of the treated water. Claim 6 A sludge treatment device according to paragraph 3, wherein the discharge section further comprises a second control valve disposed in the discharge pipe and controlling the degree of opening and closing of the discharge pipe. Claim 7 delete Claim 8 delete Claim 9 A sludge treatment device according to claim 6, wherein the discharge section further comprises a discharge pump disposed in the discharge pipe and controlling the suction force of the treated water. Claim 10 In claim 9, the distribution unit comprises: a distribution tank disposed in the third space and storing treated water; a top plate disposed below the distribution tank and connected to the discharge port of the bypass pipe; and a collection groove disposed below the top plate in the distribution tank and collecting sludge; wherein the suction port of the discharge pipe is connected to the side of the collection groove. Claim 11 A sludge treatment device according to claim 6, wherein the opening and closing of the first and second control valves are linked to the opening and closing of the scum skimmer. Claim 12 A sludge treatment device according to claim 1, wherein the flow rate control means comprises: a bypass pipe in which the suction port is disposed in the first space or the second space and the discharge port is connected to the drainage section; and a first control valve disposed in the bypass pipe and controlling the degree of opening and closing of the bypass pipe, wherein the height (H1) of the suction port of the bypass pipe is disposed higher than the height (H2) of the discharge port of the bypass pipe. Claim 13 In claim 12, the above flow rate control means further comprises a bypass pump disposed in the bypass pipe and controlling the suction force of the treated water; a sludge treatment device. Claim 14 A sludge treatment device according to claim 1 or 12, wherein the flow rate control means comprises: a first flow meter disposed in the first space and measuring the flow rate of treated water flowing in the first space; a second flow meter disposed in the second space and measuring the flow rate of treated water flowing in the second space; and a third flow meter disposed in the third space and measuring the flow rate of treated water flowing in the third space. Claim 15 A sludge treatment device according to claim 3, further comprising a moving unit disposed in the device housing and connected to the bypass pipe, and moving the position of the suction port of the bypass pipe between the first space and the second space. Claim 16 In claim 15, the moving unit comprises: a pair of guide sprockets spaced apart at a predetermined interval in the internal space; a guide chain connecting the pair of guide sprockets; a moving block coupled to the guide chain and connected to the bypass pipe; a guide driving unit disposed in the device housing and connected to the guide sprockets; and a guide rail disposed in the internal space and connected to the moving block, supporting the movement of the moving block. Claim 17 A sludge treatment device according to claim 16, wherein the moving unit further comprises: a first position sensor disposed at the suction port of the bypass pipe; and a second position sensor disposed at the lower part of the partition wall; and determines the moving position of the bypass pipe by calculating the separation distance between the first position sensor and the second position sensor. Claim 18 In claim 17, the sludge treatment device wherein the bypass pipe is configured with an expandable section that expands in the longitudinal direction.

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