KR20170061474A - Vertical screen apparatus for wastewater treatment - Google Patents

Vertical screen apparatus for wastewater treatment Download PDF

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Publication number
KR20170061474A
KR20170061474A KR1020150166562A KR20150166562A KR20170061474A KR 20170061474 A KR20170061474 A KR 20170061474A KR 1020150166562 A KR1020150166562 A KR 1020150166562A KR 20150166562 A KR20150166562 A KR 20150166562A KR 20170061474 A KR20170061474 A KR 20170061474A
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KR
South Korea
Prior art keywords
plate
screen
magnet
rake
discharge chute
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KR1020150166562A
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Korean (ko)
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KR101789253B1 (en
Inventor
황두연
김봉주
Original Assignee
주식회사 블루웨일스크린
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to KR1020150166562A priority Critical patent/KR101789253B1/en
Publication of KR20170061474A publication Critical patent/KR20170061474A/en
Application granted granted Critical
Publication of KR101789253B1 publication Critical patent/KR101789253B1/en

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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B5/00—Artificial water canals, e.g. irrigation canals
    • E02B5/08—Details, e.g. gates, screens

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Public Health (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Sewage (AREA)

Abstract

The present invention relates to a vertical screen apparatus for treating wastewater, comprising a screen plate arranged in parallel with a predetermined gap between screen bars provided in a vertical direction for removing contaminants between a pair of side frames, The scraper hangs up on the screen plate while driving, lifts up the scoop on the screen plate, and is provided with a discharge chute on the back surface of the screen plate to be transported to the rake to discharge the scooped outsides to the outside, A rotary plate extending inwardly so as to be contactable and rotatably coupled with the other end about a pivot pin and inclined downward and disposed at an inlet of the discharge chute; And a rotation blocking piece protruding from the inner side surfaces of the pair of side frames so as to be able to contact with both side edges of the rotating plate.

Description

[0001] The present invention relates to a vertical screen apparatus for wastewater treatment,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vertical screen device used for protecting a pump by removing contaminants contained in inflow water at a sewage pump station or a sewage relay pump station.

Patent Document 1 discloses a screen device installed in the effluent water passage for filtering foreign matter (contaminants) in the effluent. According to Patent Document 1 of the prior art, a screen plate formed by arranging a plurality of screen bars parallel to a water channel at regular intervals at a wastewater supply channel is formed as a rake described with a rake plate A double-sieve multi-rake type bar-screen that sweeps up and down, and then goes forward in the direction of the screen plate and descends in an infinite orbit manner by a lifting chain.

The bar-screen device according to Patent Document 1 described above allows wastewater to pass through the gap between the screen bars, catching larger contaminants larger than the gap on the front surface of the screen plate, and forming a lifting chain in which a rake So as to scrape off the impurities trapped on the front surface of the screen plate and lift it up to the top. A scraper rotatably installed at the upper end of the screen device is designed to force the upper surface of the rake attached to the lifting chain to the outside while forcibly guiding the contaminants to the discharge port and discharging it to the outside. As shown in Fig. 1 of Patent Document 1, the screen device is not installed vertically to the water surface but is installed at a predetermined angle, typically at an angle of 60 to 75 degrees. The screen device is inclined at a predetermined angle so that when the impurity forced through the scraper moves away from the rake, a portion of the impurity wraps towards the back of the rake and does not fall back into the device and falls off toward the outlet of the device .

Korean Utility Model Registration No. 20-0166150

It is an object of the present invention to provide a vertical screen apparatus in a sewage pump station for treating wastewater, and a sewage relay pump station.

As is well known, a sewage pump station or a sewage relay pump station installed in a residential complex has a screen screen having an area of 1 m × 1 m and a depth of 5 to 10 m. In order to remove the contaminants contained in the wastewater, a screen You must install it. Accordingly, the screen device according to the present invention is designed to be vertically installed so as to be installed in a narrow screen square.

In order to accomplish the above object, the present invention provides a screen panel in which a plurality of screen bars arranged in a vertical direction are arranged with a predetermined gap therebetween, a rake is run through the driving means, And a discharge chute provided on the upper rear surface of the screen plate for discharging the scum to the outside, wherein the pair of side frames includes a pair of side frames arranged in a lengthwise direction so as to be in contact with the rake, A rotary plate extending from the discharge chute and inclined downwardly coupled to the other end so as to be rotatable around the rotary pin; And a rotation blocking piece protruding from the inner side surfaces of the pair of side frames so as to be able to contact both side edges of the rotating plate. Particularly, the present invention relates to a vertical screen apparatus in which a plurality of screen bars are arranged in parallel at regular intervals in the vertical direction with respect to the water surface.

In one embodiment of the present invention, the rotary plate includes: a first magnet provided on the upper side of both edges of one end; A pivot pin disposed inside the discharge chute and rotatably coupling the other end of the pivot plate; And a support pin disposed at an entrance of the discharge chute and provided at a position higher than the rotation pin.

According to the present invention, the rotation blocking piece includes: a second magnet provided at a position opposite to the first magnet of the rotating plate rotated in the vertical direction; And an inclined portion on an upper portion of the free end of the pivotal blocking member. The first magnet and the second magnet are disposed at the same polarity with respect to each other.

In another embodiment of the present invention, the rotary plate includes: a first magnet provided on the upper side of both edges of one end; A pivot pin disposed on an entrance of the discharge chute and rotatably coupling the other end of the pivot plate; A spring stop pin protruding from an inner surface of a pair of side frames spaced apart from the other end of the pivot plate; And a coil spring which is wound around the pivot pin and fixes the upper end thereof to the rotary plate and supports the lower end to the spring stop pin.

The features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings.

Prior to that, terms and words used in the present specification and claims should not be construed in a conventional and dictionary sense, and the inventor may properly define the concept of the term in order to best explain its invention It should be construed as meaning and concept consistent with the technical idea of the present invention.

According to the present invention as described above, the present invention provides a vertical type screen apparatus which can be installed even in a manhole type screen having a narrow opening and a deep depth.

That is, the present invention can achieve an economical effect in which a conventional screen bar is inclined to a water surface in a new sewage treatment plant or a sewerage relay pump station, thereby eliminating the need of installing a water channel type screen having a much higher site cost or construction cost.

The present invention is designed to enable smooth discharge of contaminants that have been swept away from the upper surface of the rake by a scraper by means of a rotary plate rotatably interposed between the rake and the discharge chute without falling back into the apparatus.

As a result, the rake is pulled upward by the means of rake, and the buried dirt is wound on the back side of the rake, and then it is scattered back into the apparatus or attached to a component such as a running chain and / or rake, Thereby solving the problem and improving durability and operating performance.

FIG. 1 is a side sectional view schematically showing a screen device according to a first embodiment of the present invention, and is a view showing a state in which a left side frame is removed so that the state of internal engagement of the screen device can be confirmed.
2 is a front view schematically showing a screen device according to a first embodiment of the present invention.
Fig. 3 is an enlarged view of the arc portion A of Fig. 1. Fig.
4 is an enlarged view of a rotary plate of the screen device according to the second embodiment of the present invention.
Fig. 5 is a rear view of the rotary plate shown in Fig. 4 when viewed from behind.

Now, a vertical screen device for wastewater treatment according to the present invention will be described in detail with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages, features, and ways of accomplishing the same will become apparent from the following description of embodiments taken in conjunction with the accompanying drawings. In the specification, the same reference numerals denote the same or similar components throughout the specification. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

The screen device 1 according to the first embodiment of the present invention can capture and remove contaminants (not shown) contained in water flowing from left to right in Fig. 1, for example, wastewater.

1 and 2, a screen device 1 according to a first embodiment of the present invention includes a pair of side frames 10a and 10b facing each other, and is rotatable by a driving means 30 At least one rake (42) provided to the side frames (10a, 10b) is disposed in the contaminant removing space defined by the pair of side frames (10a, 10b).

Specifically, the screen device 1 arranges the screen plate 20 in the vertical direction between the side frames 10a and 10b which are erected perpendicularly to the water surface on both right and left sides of the water channel, And a plurality of screen bars 21 arranged in parallel with each other. A plurality of screen bars 21 are vertically positioned within the screen device 1 by means of a screen support 11 to help secure the screen plate 20.

The screen device 1 according to the present invention is vertically installed in the water channel as shown in the figure and the contaminants contained in the wastewater can not pass through the screen gap 22 between the screen bars 21, And a rake 42 for scraping and removing the rake is installed rotatably.

The driving means 30 for driving the rake 42 is disposed outside the upper portion of the side frames 10a and 10b and includes a driving motor 31 provided in the screen device 1, And a drive sprocket 40 is provided at both ends of the drive sprocket 32.

The driving sprocket 40 provided at both ends of the drive shaft 32 is engaged with the traveling chain 41 by gear engagement and the pair of traveling chains 41 connects the rake 42 perpendicularly to the traveling direction. The rake 42 travels in an endless track along the traveling chain 41 to scrape up the trapped matter trapped on the screen plate 20 and lift it up to the top.

The screen device 1 has a dead plate 12 between a pair of side frames 10a and 10b facing each other. As shown in the figure, the dead plate 12 is disposed perpendicularly to the upper end of the screen plate 20 constituted by the plurality of screen bars 21. The upper end of the dead plate 12 has a discharge chute 12a formed to be inclined toward the back side of the screen plate 20. The discharge chute 12a is a movement path capable of scraping with the rake 42 and discharging the abraded object to the upper portion of the screen plate 20 to the outside.

Fig. 3 is an enlarged view of the arc portion A of Fig. 1. In the course of forcibly guiding the debris to the upper portion of the screen plate 20 through the scraper 14 to the discharge chute 12a, 12a in the direction of the arrow.

The rotary plate 13a is rotatably provided around a rotary pin 15a disposed inside the discharge chute 12a so that one end of the rotary plate 13a is connected to the screen device 1 and the other end of the rotary plate 13a is rotatably coupled to a rotary pin 15a disposed inside the discharge chute 12a. In other words, the pivot plate 13a is a constituent member interposed between the rake 42 and the discharge chute 12a to assist the movement of the contaminant from the rake 42 to the discharge chute 12a.

The operation principle of the rotary plate 13a is as follows.

The rake 42 scratches the front surface of the screen plate 20 (see FIG. 1) through the driving of the traveling chain to push the contaminants up to the dead plate 12 and the discharge chute 12a. The rake 42 which moves upward moves over the end of the dead plate 12 to come into contact with the bottom surface of one end of the rotary plate 13a and the rotary plate 13a is pushed onto the upper surface of the rake 42, . When the rake 42 rises and is spaced apart from one end of the rotary plate 13a, the rotary plate 13a rotates downward due to its own weight.

The screen apparatus 1 is provided with a support pin 15b under the rotary plate 13a and the support pin 15b is a constituent member for restricting downward movement of the rotary plate 13a. As described above, the support pin 15b prevents the unexpected downward movement of the rotary plate when the rotary plate is returned to the normal position or when the bladder falls on the rotary plate, so that the inclination of the rotary plate can be maintained, Thereby preventing collision between the dead plates.

Preferably, the support pin 15b is disposed at a position higher than the pivot pin 15a so that the correct position of the pivot plate 13a can be tilted downward toward the discharge chute 12a.

That is, the external force through the rake 42 is released from the rotary plate 13a, and one end of the rotary plate is returned to the initial original position. The rake 42 that rises even after being separated from the rotary plate 13a is mounted on the upper surface of the rake 42 through a scraper 14 rotatably provided at the upper end of a pair of side frames 10a and 10b And scans the loaded debris toward the discharge chute 12a. At the same time, when the contact between the rake 42 and the swinging plate 13a is released, the swinging plate 13a quickly moves downward to its original position, which is the original home position, due to its own weight. Then, the contaminants fall on one end of the rotary plate 13a while flowing into the discharge chute 12a from the upper surface of the rake 42. When the impurities fall on one end of the swash plate 13a, they are guided into the discharge chute 12a along the swash plate 13a which is inclined downward toward the discharge chute 12a.

As described above, the rotary plate 13a is pushed by the running of the rake 42 and is rotated upward, so that it is raised upward so as not to affect the normal running of the rake 42, and is returned to the correct position by its own weight do. However, it sometimes happens that the rotary plate 13a can not return to the correct position. The present invention is characterized in that the first magnet 15h is attached to the upper surface of one end portion of one end of the rotor plate 13a while the rotation shielding piece 15f having the second magnet 15g is inserted into the screen apparatus Respectively. The rotation cut-off piece 15f is a constituent member for restricting upward movement of the rotary plate 13a and is disposed above the rotary plate 13a.

The rotation blocking piece 15f protrudes from the inner side surfaces of the pair of side frames so as to be in contact with both side edges of the rotating plate. The rotation blocking piece may protrude only from the inner side surface of one of the left and right side frames.

The first magnet 15h of the rotary plate 13a and the second magnet 15g of the rotation cut-off piece 15f are disposed with their surfaces facing each other at the same polarity. When one end of the rotary plate 13a is rotated to be disposed adjacent to the rotation cut-off piece 15f, the rotary plate 13a is forcibly pushed downward through the repulsive action between the first and second magnets, . The magnets 15h and 15g may be ferrite magnetites, and preferably, neodymium magnetite magnet having a residual magnetic flux density three times higher than that of the ferrite magnetite may be used to provide a very strong repulsive force.

4 to 5 are views showing a part of a screen apparatus according to the second embodiment of the present invention. Since the screen device shown in Figs. 4 to 5 is constructed in a very similar structure except for the swivel plate 13a shown in Fig. 3, a description of similar or identical constituent members Will exclude here.

The second embodiment of the present invention relates to a screen device having a rotatable rotary plate 13b. Here, the rotary plate 13b is a constituent member interposed between the rake 42 and the discharge chute 12a to assist the movement of the contaminant from the rake 42 to the discharge chute 12a. The rotary plate 13b is pushed by the run of the rake 42 and rotated upward and downward to be rotated depending on the pressing direction of the rake 42 so as not to affect the normal running and / And is returned to the fixed position by the elastic force of

Normally, the screen device installed in the water channel interrupts between the rake 42 and the screen plate 20 when the damper is lifted up to a size larger than the capacity of the rake 42, so that the operation of the torque limiter The driving of the screen device is interrupted by the action of the overcurrent detection of the driving motor and the like. At the same time, if an alarm signal is sounded on the control panel, the field manager will have to restart after removing the obstruction, which is the cause of the disconnection of the screen device, from the screen plate 20. In order to extract the contaminants between the rake 42 and the screen plate 20 of the screen device, it is essential that the reverse rotation of the rake 42 is performed.

The screen device 1 according to the first embodiment of the present invention is arranged such that the support pin 15b is disposed under the rotation plate 13a so that the rotation plate 13a, The support pin 15b and the rake 42 are likely to be damaged due to the collision between the rake 42 and the rotary plate.

Thus, the screen device according to the second embodiment of the present invention is provided with the coil springs 15c at both side edges of the rotary plate 13b to enable the reverse rotation of the rotary plate 13b, Is also designed to ensure the return of. When the rake 42 is pushed against the bottom surface of the rake 42 by applying the elastic force of the coil spring 15c and the rake plate 13b is bent downward to move the rake plate 42 to the right position So that it is possible to prevent the breakage of the component which may be caused by the unexpected reverse rotation of the rake during installation of the screen apparatus or inspection of the apparatus.

The coil spring 15c can be held in a state in which the upper end portion bent in a L-shaped form is fitted in the spring fixing hole 15d formed in the bottom surface of the rotary plate 13b and rotated together with the rotary plate 13b so as to prevent the contaminants from spreading. The lower end of the coil spring 15c may be supported by a spring stop pin 15e extending in the vertical direction and spaced apart from the other end of the rotary plate 13b.

The screen device according to the second embodiment of the present invention is characterized in that the first magnet 15h is attached to the upper surface of both ends of one end side of the rotary plate 13b while the first magnet 15h protrudes from the side frames 10a, And a blocking piece 15f. The rotation blocking piece 15f is provided with the second magnet 15g to ensure the return of the rotary plate 13b standing in the vertical direction to the fixed position. In other words, the present invention helps to return the rotary plate 13b to the correct position even with a simple structure in which the mutually opposing faces of the two magnets 15h and 15g are disposed at the same pole.

The screen device according to the present invention forms an inclined portion 15i on both edges of one end of the rotary plate 13b with the inclined portion 15i being formed on the first magnet 15h as shown . Correspondingly, the rotation blocking piece 15f attached to the inner side surfaces of the side frames 10a and 10b also forms an inclined portion 15j at its free end, and the inclined portion 15j is, as shown in the figure, (15g). This inclined portion can be kept clean even after a lapse of time and without malfunction due to the clogging because the inclined portion flows down without causing the clogged portion to protrude on both edge projecting portions of the rotary plate 13b and the upper portion of the rotation blocking piece 15f.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the present invention is not to be limited to the details and constructions, It will be understood by those skilled in the art that changes and modifications may be made without departing from the scope of the present invention.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

1 ----- screen device, 10a, 10b ----- side frame,
11 ----- screen support, 12 ----- dead plate,
12a ----- discharge chute, 13a, 13b ----- rotary plate,
14 ----- Scraper, 15a ----- Rotating pin,
15b ----- support pin, 15c ----- coil spring,
15d ----- spring fixing hole, 15e ----- spring stop pin,
15f ----- Rotating stopper, 15g, 15h ----- Magnet,
15i, 15j ----- inclined portion, 20 ----- screen plate,
21 ----- screen bar, 22 ----- screen gap,
30 ----- driving device, 31 ----- driving motor,
32 ----- drive shaft, 40 ----- drive sprocket,
41 ----- driving chain, 42 ----- rake.

Claims (4)

A screen plate is arranged between the pair of side frames so as to remove the contaminants from each other with a predetermined gap therebetween. The rake is driven by the driving means to scrape off the obstacles caught on the screen plate, A screen apparatus having a discharge chute on a top back surface of a screen plate and discharging the borrowed material transferred to the lake to the outside,
Wherein the pair of side frames comprise:
A rotatable plate disposed at an inlet of the discharge chute, the one end of the discharge chute extending inwardly to be in contact with the rake and the other end rotatably coupled to the rotatable pin about an axis;
And a rotation blocking piece protruding from inner sides of the pair of side frames so as to be able to contact with both side edges of the rotation plate,
Wherein the plurality of screen bars are arranged in parallel at regular intervals in a direction perpendicular to the water surface.
The method according to claim 1,
Wherein the rotary plate includes:
A first magnet provided on both upper edges of the one end;
A pivot pin disposed inside the discharge chute and rotatably coupling the other end of the pivot plate; And
And a support pin disposed at an entrance of the discharge chute and provided at a position higher than the pivot pin.
The method according to claim 1,
The rotating shut-
A second magnet disposed at a position opposite to the first magnet of the rotary plate rotated in the vertical direction;
And an inclined portion on an upper portion of the free end of the rotation blocking member,
Wherein the first magnet and the second magnet are arranged so that the surfaces of the first magnet and the second magnet oppose each other with the same polarity.
The method according to claim 1,
Wherein the rotary plate includes:
A first magnet provided on both upper edges of the one end;
A pivot pin disposed on an inlet of the discharge chute and rotatably coupling the other end of the pivot plate;
A spring stop pin protruding from an inner surface of the pair of side frames spaced apart from the other end of the pivot plate; And
And a coil spring which is wound around the pivot pin and fixes the upper end thereof to the rotary plate and supports the lower end of the coil spring to the spring stop pin.
KR1020150166562A 2015-11-26 2015-11-26 Vertical screen apparatus for wastewater treatment KR101789253B1 (en)

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KR1020150166562A KR101789253B1 (en) 2015-11-26 2015-11-26 Vertical screen apparatus for wastewater treatment

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Application Number Priority Date Filing Date Title
KR1020150166562A KR101789253B1 (en) 2015-11-26 2015-11-26 Vertical screen apparatus for wastewater treatment

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KR20170061474A true KR20170061474A (en) 2017-06-05
KR101789253B1 KR101789253B1 (en) 2017-10-23

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190004152A (en) * 2017-07-03 2019-01-11 황인수 Scraper rake for floating waste removal machine
CN112664240A (en) * 2020-12-23 2021-04-16 南京康泰建筑灌浆科技有限公司 Tunnel percolating water administers device
KR102596234B1 (en) * 2023-06-21 2023-10-31 청정테크주식회사 Dust removing machine with screen for improved dust collecting capability

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210144030A (en) 2020-05-21 2021-11-30 주식회사 티에스엔텍 Vertical screening apparatus for waste and sink sand remover

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200166150Y1 (en) 1999-07-30 2000-02-15 황두연 Chain life enhancing equipment of wastewater treating bar-screen
KR200430146Y1 (en) 2006-08-16 2006-11-07 주식회사 청우이엔이 Rake structure of apparatus removing sludge of wastewater

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190004152A (en) * 2017-07-03 2019-01-11 황인수 Scraper rake for floating waste removal machine
CN112664240A (en) * 2020-12-23 2021-04-16 南京康泰建筑灌浆科技有限公司 Tunnel percolating water administers device
KR102596234B1 (en) * 2023-06-21 2023-10-31 청정테크주식회사 Dust removing machine with screen for improved dust collecting capability

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