KR101909417B1 - Mobile grit chamber - Google Patents

Abstract

The present invention includes: a settling tank comprising a floating preventing waterway placed near the mouth of an inlet, a sludge transfer conveyor transferring sludge settled from treatment target water, which has gone through the floating preventing waterway, to the outside, a filtering permeation part installed at a level with the upper part and comprising a filtering mesh and a permeation film, a first guide space enabling the treatment target water, which has gone through the lower part of the filtering permeation part, to flow through a first through hole and be discharged through a first outlet, and a first filtering permeation film installed on the first outlet and comprising a filtering mesh and a permeation film; at least one filtration tank connected in series to the settling tank to enable the treatment target water to flow through the filtration tank, and comprising a second guide space taking the treatment target water inward, a plurality of filtration spaces connected with each other to enable the treatment target water to flow through the lower part of the second guide space, a filtration cage installed in the filtration spaces and filled with pebbles to enable the treatment target water to be filtered through the filtration cage and be discharged through a second outlet, and a second filtrating permeation film installed on the second outlet and comprising a filtering mesh and a permeation film; and a discharge tank comprising a third guide space taking the treatment target water through the second outlet and discharging the water through a second through hole, and a third filtering permeation film installed in the second through hole and comprising a filtering mesh and a permeation film, and enabling the treatment target water, which has gone through the third filtering permeation film, to be discharged to the outside through a drainage hole due to the operation of a water pump. As such, the present invention is capable of achieving excellent efficiency of sand filtration and precipitation.

Description

Mobile grit chamber < RTI ID = 0.0 >

More particularly, the present invention relates to a mobile settling tank that is excellent in the sedimentation and removal efficiency of sand, and allows movable installation as required while minimizing restrictions on site conditions.

Generally, the earthworks site is provided with a sedimentation tank to sediment turbid water when the groundwater or surface water is discharged. These sludge baths are used for the sedimentation and removal of sand in various places besides the earthworks site.

As a related art related to the conventional silt bath, Korean Patent Laid-Open No. 10-2006-0009988 discloses a "silt bath for treating wastewater whose organic matter is prevented from being precipitated." This includes a front wall formed with an inlet through which wastewater flows, A pair of side walls formed on both sides to connect the front and rear walls, and a water film partition wall formed between the side walls close to the rear wall side, water tank; And sand discharge means for discharging the sand settled in the sand settling region consisting of the front wall, the both side walls and the watertight bulkhead to the outside, wherein the sand settling tank is formed in the watertight partition wall and is driven in the vertical direction A vertical water gate opening from the top to the bottom side; A water gate drive motor coupled to one end of the vertical water gate to directly drive the vertical water gate; A flow meter for measuring the flow rate of wastewater passing through the water tank; And control means connected to the hydrologic drive motor and the flowmeter for controlling the hydromotor drive motor according to a measurement result of the flowmeter, wherein when the vertical hydrologic gate is driven, So that the flow velocity of the wastewater passing through the settling region is kept constant, thereby preventing organic matter and the like other than the sand contained in the wastewater from being settled in the settling region.

However, such conventional techniques have limitations in increasing the sedimentation and removal efficiency of sand, and they can be installed and used in a movable manner in a place where the needle-punching apparatus can not be installed, depending on the site conditions such as narrowing, It is not considered at all, and thus it has a problem that it can not be constituted as a mobile needle bar.

In order to solve the above problems, the present invention has been made to solve the problems of the prior art, and it is an object of the present invention to provide a sand filtration apparatus which is excellent not only in the sedimentation efficiency of sand but also in the efficiency of filtering foreign substances such as sand, And minimizes the number of parts, while enabling easy portable installation as needed.

According to an aspect of the present invention, there is provided a float prevention water channel provided at an outlet side of an inflow port through which water to be treated flows, and a sludge settled from the water to be treated that has passed through the float prevention water channel A sludge transporting conveyor for transporting the sludge to the outside is installed and the squeezing water permeable portion made of the permeable membrane is horizontally installed on the upper portion and the water to be treated passing through the lower portion of the squeeze water permeable portion flows through the first passage hole in the lower portion, A sedimentation tank provided with a first guide space to be discharged to a first discharge port, and a first squeeze water permeable membrane formed of a membrane and a membrane on the first discharge port; A second guide space through which water to be treated flows inward from the first outlet is provided and a first filtration space connected through a first supply port provided below the second guide space is provided, A second filtration space connected to the first filtration space through a second supply port provided at a lower portion of the spacing space is provided and the first filtration space is provided inside the first and second filtration spaces, And a first filtration cage filled with gravel as a filter medium are respectively installed in the first filtration cage so that the water to be treated passing through the first and second filtration spaces is filtered by the first filtration cage and discharged through the second discharge port, And a second filtration membrane provided with a second squeeze permeable membrane made of a permeable membrane; A third guide space through which water to be treated flows inward from the second outlet is provided and a third filter space connected through a third supply port provided below the third guide space is provided, And a fourth filtration space connected to the second separation space through a fourth supply port provided below the second separation space is provided, and the third and fourth filtration spaces And a second filter cage filled with gravel as a filter medium is installed in each of the first filter cage and the second filter cage so that water to be treated passing through the third and fourth filter spaces is filtered by the second filter cage and discharged through the third outlet, A second filtration tank in which a third filtration membrane consisting of a membrane and a permeable membrane is installed in the third outlet; And a fourth guide space through which the water to be treated flows through the third outlet and is discharged through the second passage is provided, and a fourth stamped water permeable membrane formed of a membrane and a water permeable membrane is provided in the second passage, And a discharge tank for discharging the treatment object passing through the four-ply permeable membrane to the outside through the drain hole by operation of the water pump.

The settling tank has a plurality of the inlets, and the diameter of each of the inlets may be different.

The sedimentation tank is provided with a first overflow outlet for discharging the treated water to the filtration tank side due to an overflow when the treated water flows in a predetermined amount or more. And a third overflow outlet for allowing the object to be treated to be discharged outward due to an overflow when the object to be treated flows in at least a predetermined amount can be provided .

Wherein the sludge transporting conveyor is installed by a plurality of rollers so that one side of the sludge transporting conveyor is horizontally positioned at a lower portion of the settling tank so as to be sloped upwards; A driving unit installed to apply a rotational force to any one of the rollers; A housing enclosing a portion of the sludge transport belt protruding from the sedimentation tank; And an outlet for providing a passage through which the sludge conveyed by the sludge conveying belt is discharged downwardly to the housing.

Wherein the filter cage comprises: an L-shaped portion having a plurality of portions connected to each other and located at corners to form a skeleton; A metal mesh provided so as to maintain a shape having an inner space opened upward by being supported by the L-shaped steel; And gravel filled in the inner space of the metal mesh.

The size of the gravel of the first filtration cage may be smaller than the size of the gravel of the second filtration cage.

The discharge vessel may include a plurality of drain holes, and a water pump may be installed in each of the drain holes, and the diameters of the drain holes may be different.

According to the mobile settling tank in accordance with the present invention, not only the sedimentation efficiency of the sand is excellent, but also the foreign matter filtering efficiency of sand and the like can be improved and the restrictions on the site conditions such as narrowing of the work place, While allowing for easy portable installation as needed.

FIG. 1 is a plan view showing a movable type needle tucker according to an embodiment of the present invention,
FIG. 2 is a side view showing a movable type needle-catching tank according to an embodiment of the present invention,
FIG. 3 is a front sectional view showing a sludge transport conveyor of a mobile settling tank according to an embodiment of the present invention,
FIG. 4 is a perspective view illustrating a filtering cage of a mobile sewing bath according to an embodiment of the present invention. FIG.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. It should be understood that the present invention is not limited to these specific embodiments but includes all changes, equivalents, and alternatives included in the technical idea of the present invention.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals are used to designate identical or corresponding elements, and redundant description thereof will be omitted .

FIG. 1 is a plan view showing a movable type of needle set according to an embodiment of the present invention, and FIG. 2 is a side view showing a movable type needle set according to an embodiment of the present invention.

Referring to FIGS. 1 and 2, the mobile type settling tank 10 according to an embodiment of the present invention may include a settling tank 100, first and second filtration tanks 200 and 300, and a discharge tank 400.

The sedimentation tank 100 is provided with a float prevention water passage 180 at the outlet side of the inlet 110 into which the water to be treated flows and the sludge settled from the water to be treated which has passed through the floatation prevention water passage 180 is transported to the outside And a sludge transport conveyor 120 is installed on the sludge transport conveyor 120. The sludge transport conveyor 120 is installed horizontally on the upper portion of the sludge transporting unit 140. The sludge transporting conveyor 120 includes a sludge transport conveyor 120, A first guide space 130 is formed in the first discharge port 151 and is discharged through the first discharge port 151 to the first discharge port 151. The first discharge port 151 is formed with a first through- ) Is installed. In addition, the sedimentation tank 100 may be provided with a sedimentation tank into which a sedimentation agent is injected for rapid sedimentation. The sedimentation agent used in the sedimentation tank 100 may be non-pollution or natural material.

The sedimentation tank 100 may have a fitting portion or a valve structure or the like for the connection of the positive hose when the object to be treated is introduced into the sedimentation tank 100, And inlet 110 may be different in diameter to provide an inlet 110 of various diameters or sizes in accordance with the water meter standard. Such an inlet 110 may have a fitting portion or a valve structure provided for connection of such a positive hose when the object to be treated is introduced into the settling tank 100. Also, the sedimentation tank 100 may be provided with a first overflow outlet 160 for discharging the treated water to the filtration tanks 200 and 300 due to overflow when the treated water flows in excess of a predetermined amount, At least one cleaning agent 170 that is opened by a valve may be provided.

In the present invention, the water to be treated may include not only turbid water such as ground water or surface water generated at the earthworks site, but also various discharged water that requires sedimentation and removal of sand and the like.

The float prevention water channel 180 may be provided so as to intersect orthogonally to the outlet side of the inlet 110 and provide a passage or opening through which the water to be treated flowing through the inlet 110 flows downward. When the discharged water flows into the sedimentation tank 100 directly from the water pump when the discharged water flows into the sedimentation tank 100 through the inlet 110, the sediment is floated inside the sedimentation tank 100 due to the flow velocity of the discharged water. It is necessary to lower the flow rate of the influent water. Due to this necessity, the number of objects to be treated through the inlet 110 is reduced by the anti-floating water channel 180 so as to prevent direct inflow of water through the inlet 110, The float prevention plate 141 is provided in order to prevent the floating water of the moving object from being floated so as to give a separation effect between the new influent water and the existing influent water in the settling tank 100.

1 to 3, the sludge transporting conveyor 120 includes a sludge transport belt (not shown) installed by a plurality of rollers 121 such that one side of the sludge transporting conveyor 120 is horizontally positioned at a lower portion of the sedimentation tank 100, A driving unit 123 installed to apply a rotational force to one of the rollers 121 and 122 and a sludge conveying belt 122. The housing 124 surrounds a portion protruding from the settling tank 100. The housing 124 And an outlet 125 for providing a passage through which the sludge conveyed by the sludge conveying belt 122 is discharged downward. The sludge conveying belt 122 may be provided with a plurality of partitions along the outer side or a plurality of buckets for conveying the sludge. The driving unit 123 may be configured to provide the rotational force of the motor to the roller 121 using a gear, a belt, or the like.

For example, the net used for the punching portion 140 and the first punching membrane 150 may be a mesh net, and the pervious membrane may be a fiber, for example, a nonwoven fabric that allows passage of the water to be treated. The description of this pattern and the permeable membrane is applied to the second pore permeable membranes 250, 350 and the third pore permeable membrane 420 in the same manner.

The first filtration tank 200 is provided with a second guide space 210 through which water to be treated flows inward from the first discharge port 151 and a first supply port 221 provided below the second guide space 210 A first separation space 230 in which the number of processing objects overflows from the first filtration space 220 is provided and a first separation space 230 in which the number of processing objects overflows is provided, The first and second filtration spaces 220 and 240 are provided with a second filtration space 240 connected to the first filtration space 220 and the second filtration space 240 through the second supply port 241. The first and second filtration spaces 220 and 240 are filled with gravel 263, The number of the objects to be processed passing through the first and second filtration spaces 220 and 240 is filtered by the first filtration cage 260 to be discharged through the second discharge port 251, A second squeeze water permeable membrane 250 made of a membrane and a permeable membrane is provided at the discharge port 251.

The second filtration tank 300 is provided with a third guide space 310 through which the water to be treated flows inward from the second discharge port 251 and a third supply port 321 A second separation space 330 in which the number of objects to be processed overflows from the third filtration space 320 is provided and a second separation space 330 in which the number of processing objects overflows from the third separation space 320 is provided, And a fourth filtration space 340 connected through a fourth supply port 341 provided in the first and second filtration spaces 320 and 340. The second and third filtration spaces 320 and 340 are filled with gravels 363, And the filtration cage 360 are respectively installed so that the processing target water passing through the third and fourth filtration spaces 320 and 340 is filtered by the second filtration cage 360 and discharged through the third discharge port 351, And a third-shaped water-permeable membrane 350 formed of a membrane and a permeable membrane is provided in the discharge port 351.

The first and second filtration tanks 200 and 300 are respectively provided with second and third overflow outlets 270 and 270 for discharging the treated water to the discharge tank 400 due to an overflow when the treated water flows in excess of a predetermined amount And at least one cleaning agent 290,390 which is opened by a valve on the bottom surface for cleaning can be provided.

Referring to FIG. 4, the first filtering cage 260 and the second filtering cage 360 include L-shaped beams 261 and 361, which are located at corners and are connected to each other by bolting or welding, and L-shaped beams 261 and 361 And a plurality of gravels 263 and 363 filled in the inner spaces of the metal nets 262 and 362. The metal mesh nets 262 and 362 may be formed of metal, The metal mesh nets 262 and 362 may have a hexahedral structure in which the metal mesh nets 262 and 362 are opened upward and the metal mesh nets 262 and 362 are formed in the shape of a hexahedron by welding or wire bonding to the outside of the metal nets 262 and 362 . The size of the gravel 263 of the first filtration cage 260 may be smaller than that of the gravel 363 of the second filtration cage 360. The first and second filtration cages 260 and 360 may be provided with perforated steel plates 280 and 380.

The outlet tank 400 is provided with a fourth guide space 410 through which the water to be treated flows through the third outlet 351 and is discharged through the second passage hole 421, Permeable membrane 420 formed of a water permeable membrane and the object to be processed passing through the fourth impermeable membrane 420 is discharged to the outside through the drain port 431 by the operation of the water pump 430 .

The overflow outlet 400 may be provided with a fourth overflow outlet 440 for discharging the overflow due to overflow when the object to be treated is overflowed by a predetermined amount or more. At least one cleaning agent 450 may be provided. The outlet tank 400 may have a plurality of drain ports 431. The drain ports 431 may be provided with a water pump 430 and each of the drain ports 431 may have a different diameter. It is possible to connect discharge hoses of various diameters or sizes.

According to the mobile settling tank according to the present invention, not only the sedimentation efficiency of the sand is excellent, but also the foreign matter filtering efficiency such as sand is excellent.

Further, according to the present invention, it is possible to easily carry out the portable installation as needed while minimizing restrictions on the site conditions such as narrowing of the work site, elevation difference, and changing the topography at any time.

Although the present invention has been described with reference to the accompanying drawings, various modifications may be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the above-described embodiment, but should be determined by the claims and equivalents thereof.

100: settling tank 110: inlet
120: sludge transport conveyor 121: roller
122: sludge conveying belt 123:
124: housing 125: outlet
130: first guide space 131: first passage
140: punching punching part 150: first punching punching film
151: first outlet 160: first overflow outlet
170: Cleaning agent 180: Water-repellent water
200: first filtration tank 210: second guide space
220: first filtration space 221: first supply port
230: first separation space 240: second filtration space
241: Second supply port 250: Second cut-off membrane
251: second outlet 260: first filter cage
261: L section steel 262: Metallic mesh
263: Gravel 270: 2nd overflow exit
280: Perforated steel plate 290:
300: second filtration tank 310: third guide space
320: Third filtration space 321: Third supply port
330: second separation space 340: fourth filtration space
341: fourth supply port 350: third-ply permeable membrane
351: Third outlet 360: Second filter cage
361: L section steel 362: Metallic mesh
363: Gravel 370: Third overflow exit
380: Perforated steel plate 390:
400: discharge tank 410: fourth guide space
420: Fourth projecting membrane 421: Second passage hole
430: a water pump 431: a drain
440: Fourth overflow outlet 450:

Claims (7)

A sludge transporting conveyor for transporting sludge settled from the water to be treated which has passed through the floatation preventing water channel to the outside is provided on the outlet side of the inlet port through which the water to be treated flows, A first guide space in which a water to be treated passing through a lower portion of the punching portion is introduced through a first passage hole in the lower portion and discharged to a first outlet portion in the upper portion is provided, A sedimentation tank having a first squeeze water permeable membrane formed of a membrane and a permeable membrane;
A second guide space through which water to be treated flows inward from the first outlet is provided and a first filtration space connected through a first supply port provided below the second guide space is provided, A second filtration space connected to the first filtration space through a second supply port provided at a lower portion of the spacing space is provided and the first filtration space is provided inside the first and second filtration spaces, And a first filtration cage filled with gravel as a filter medium are respectively installed in the first filtration cage so that the water to be treated passing through the first and second filtration spaces is filtered by the first filtration cage and discharged through the second discharge port, And a second filtration membrane provided with a second squeeze permeable membrane made of a permeable membrane;
A third guide space through which water to be treated flows inward from the second outlet is provided and a third filter space connected through a third supply port provided below the third guide space is provided, And a fourth filtration space connected to the second separation space through a fourth supply port provided below the second separation space is provided, and the third and fourth filtration spaces And a second filter cage filled with gravel as a filter medium is installed in each of the first filter cage and the second filter cage so that water to be treated passing through the third and fourth filtration spaces is filtered by the second filter cage and discharged through the third outlet, A second filtration tank in which a third filtration membrane consisting of a membrane and a permeable membrane is installed in the third outlet; And
A fourth guide space in which water to be treated flows through the third outlet and is discharged through the second passage, a fourth filter formed of a membrane and a permeable membrane is provided in the second passage, A discharge tank for discharging the treated water passing through the pore-permeable membrane to the outside through the drain hole by the operation of the water pump;
And a movable pinching unit. The method according to claim 1,
The settling tank,
Wherein the plurality of inlet ports are made of different diameters of the inlet ports. The method according to claim 1,
The settling tank,
A first overflow outlet is provided for discharging to the filtration tank side due to an overflow when the number of objects to be treated exceeds a predetermined amount,
The filtration tank,
And a second overflow outlet for discharging the treated water to the discharge tank due to an overflow when the number of objects to be treated flows in at least a predetermined amount,
The discharge vessel,
And a third overflow outlet is provided for discharging to the outside due to an overflow when the number of objects to be treated exceeds a predetermined amount. The method according to claim 1,
The sludge transporting conveyor includes:
A sludge conveying belt installed by a plurality of rollers so that one side of the sludge is horizontally and vertically sloped upward;
A driving unit installed to apply a rotational force to any one of the rollers;
A housing enclosing a portion of the sludge transport belt protruding from the sedimentation tank; And
An outlet for providing a passage through which the sludge conveyed by the sludge conveying belt is discharged downward;
And a movable pinching unit. The method according to claim 1,
The first filter cage and the second filter cage,
An L-shaped steel frame having a plurality of pieces connected to each other and forming a skeleton at an edge;
A metal mesh provided so as to maintain a shape having an inner space opened upward by being supported by the L-shaped steel;
The gravel filled in the inner space of the metal mesh
Further comprising: The method according to claim 1,
The gravel particle size of the first filtration cage,
The size of the gravel of the second filtration cage is smaller than that of the second filtration cage. The method according to claim 1,
The discharge vessel,
Wherein a plurality of the drainage ports are provided, and a water pump is installed in each of the drainage ports, wherein diameters of the drainage ports are different from each other.

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