KR101633321B1 - Sludge collector equipped with limit switch - Google Patents

Sludge collector equipped with limit switch Download PDF

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Publication number
KR101633321B1
KR101633321B1 KR1020160012393A KR20160012393A KR101633321B1 KR 101633321 B1 KR101633321 B1 KR 101633321B1 KR 1020160012393 A KR1020160012393 A KR 1020160012393A KR 20160012393 A KR20160012393 A KR 20160012393A KR 101633321 B1 KR101633321 B1 KR 101633321B1
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KR
South Korea
Prior art keywords
limit switch
unit
scraper
bogie
sensing
Prior art date
Application number
KR1020160012393A
Other languages
Korean (ko)
Inventor
김무성
Original Assignee
주식회사 한하산업
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Priority to KR1020160012393A priority Critical patent/KR101633321B1/en
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Publication of KR101633321B1 publication Critical patent/KR101633321B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
    • B01D21/22—Safety mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0096—Safety mechanisms specially adapted for settling tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
    • B01D21/20—Driving mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/245—Discharge mechanisms for the sediments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/30—Control equipment
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a submerged sludge collector provided with a limit switch and more particularly to a submerged sludge collector having a rail provided on both side walls of a sedimentation cell, A squeeze part which is installed to be pivotally mounted on the bogie part and removes the precipitated sludge, a turning part connected to the scraper part by a wire to turn the scraper part, And a sensing unit is further installed in the bogie unit to detect a break of the wire and transmit the signal to the control unit. The limit switch is provided with a limit switch.
A submerged sludge collector provided with a limit switch according to the present invention is characterized in that a limit switch is provided in a bogie portion so as to detect an operating state of the scraper portion and transmit the signal to a control portion, It is determined that the vehicle is broken and the signal is transmitted to the drive unit to terminate the drive of the truck so that the truck is moved in a state where the wire is broken so that the scraper can be caught by the bottom of the settler, It is effective.

Figure R1020160012393

Description

[0001] The present invention relates to a sludge collector equipped with a limit switch,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a submerged sludge collector provided with a limit switch, and more particularly, to a submerged sludge collector provided with a limit switch for sensing an operating state of a scraper and transmitting a signal thereof to a control unit, It is determined that the wire is broken and the signal is transmitted to the traveling unit to terminate the driving of the carriage unit to move the carriage unit in a state where the wire is broken so that the scraper unit is caught by the bottom of the sedimentation unit and is broken, And more particularly to a submerged sludge collector provided with a limit switch for preventing derailment.

Generally, wastewater discharged from sewage and industrial sites is treated through several steps such as sedimentation basin and aeration tank. For example, in the discharge of sewage, wastewater and livelihood, the water treatment process is inevitably discharged at the final end of the drainage line in order to preserve the water quality.

In the sewage treatment process, raw water introduced from a general household or an industrial site is treated with chemicals. After oxygen is supplied in the aeration tank, the microorganisms contained in the raw water are flocculated and flocculated while passing over the sedimentation tank. The collector processes, and the supernatant filtered through the trough is treated with final chemicals and discharged to the stream.

In order to remove the precipitate generated in the sewage treatment process, a sludge collector must be installed as described in Korean Patent Application No. 20-2004-0005284, and a representative example of such a sludge collector is a subchapter (chain plate type) sludge collector .

The slave sludge collector described above is a machine used for collecting sludge generated from a rectangular sedimentation basin. The sludge is removed by installing a rail on the sidewalls of the sedimentation basin and installing a bridge and a wheel so as to move on the rail. .

However, in the conventional sludge collector, when the wire connected to the scraper part is moved in a broken state, the scraper part is broken or damaged by the friction with the bottom surface of the sedimentation part There is a serious problem that the bogie is detached from the rail and overturns, which causes a problem of human injury or property damage.

The above-mentioned invention means the background art of the technical field to which the present invention belongs, and does not mean the prior art.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a limit switch in a braking unit for detecting an operation state of a scraper and transmitting the signal to a control unit, If the signal is not transmitted, it is determined that the wire is broken, and the signal is transmitted to the traveling unit to terminate the driving of the bogie unit, so that the bogie unit is moved in a state in which the wire is broken and the scraper unit is caught on the bottom of the settling basin, And to provide a submerged sludge collector provided with a limit switch for preventing derailment.

The present invention relates to a sedimentation apparatus, comprising: a rail provided on both side wall portions of a sedimentation tank; a bogie portion connected to the rail and having a running portion to be moved along the rail; And a control unit for controlling the traveling unit and the rotation unit. The control unit controls the traveling unit and the rotation unit such that the wire is broken And a sensing unit is further provided to transmit the signal to the control unit.

According to an embodiment of the present invention, the sensing unit may include a sense frame installed in an oblique direction below the bogie, and a limit switch installed at an end of the sensing frame.

Further, in an embodiment of the present invention, if the limit switch does not transmit a sensing signal, the control unit determines that the wire is broken and transmits the signal to the driving unit to terminate the driving, And to prevent the scraper part from being broken or the bogie part from being deviated from the rail.

In addition, in one embodiment of the present invention, the sensing bar of the limit switch is disposed orthogonally to the direction in which the scraper portion is rotated and raised, and the scraper portion is formed in a circular tube shape.

A submerged sludge collector provided with a limit switch according to the present invention is provided with a limit switch in a bogie portion for detecting an operation state of a scraper portion and transmitting the signal to a control portion. If a limit signal is not transmitted from the limit switch, It is possible to prevent the scraper part from being caught by the bottom of the sedimentation bed or being deviated from the rail due to the movement of the bogie part in the state that the wire is broken have.

1 is a front view showing a submerged sludge collector provided with a limit switch according to the present invention.
2 is a rear view of a submerged sludge collector provided with a limit switch according to the present invention.
3 is a view showing an operating state of a submerged sludge collector provided with a limit switch according to the present invention.
4 is a side view showing a state where a limit switch is installed in a submerged sludge collector provided with a limit switch according to the present invention.
5 is a plan view showing a state where a limit switch is installed in a submerged sludge collector provided with a limit switch according to the present invention.
6 is a view showing a state in which a limit switch is operated in a submerged sludge collector provided with a limit switch according to the present invention.

Hereinafter, preferred embodiments of a submerged sludge collector provided with a limit switch according to the present invention will be described with reference to the accompanying drawings.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

In addition, the following embodiments are not intended to limit the scope of the present invention, but merely as an example, and various embodiments may be implemented through the present invention.

FIG. 1 is a front view of a submerged sludge collector with a limit switch according to the present invention, FIG. 2 is a rear view of a submerged sludge collector with a limit switch according to the present invention, and FIG. FIG. 4 is a side view showing a state in which a limit switch is installed in a submerged sludge collector provided with a limit switch according to the present invention, and FIG. 5 is a cross- FIG. 6 is a plan view of a submerged sludge collector provided with a limit switch according to an embodiment of the present invention. FIG. 6 is a plan view of a submerged sludge collector provided with a limit switch according to the present invention. Fig.

As shown in the drawing, a submerged sludge collector 10 (hereinafter referred to as' sludge collector 'for convenience' sake) equipped with a limit switch according to the present invention is a sludge collecting apparatus for collecting waste water flowing into a sedimentation tank 100, The sludge collector 10 collects and discharges the sludge generated in the water treatment process such as the sludge collecting unit 10 and the sludge collecting unit 10. The sludge collector 10 includes a rail 20, a carriage 30, a scraper 40, 50, a control unit 60, and a sensing unit 70.

At this time, the settling basin 100 is a structure made of a concrete material having a receiving space inside and an open top surface, and the rail 20 is installed on both side walls.

The rail 20 is made of a metal material and is fixed by anchor bolts along both side walls of the sedimentation bed 100.

As shown in FIG. 1, the bogie portion 30 includes a running portion 31, which is guided by the rail 20 and includes a driving wheel and a driving device for rotating the driving wheel to move along the rail 20, Respectively.

The traveling unit 31 may be any means that moves along the rail 20 (belt, gear, etc.).

3, the upper end of the sludge 40 is pivotally coupled to the main body 30, and the sludge precipitated by the movement of the main body 30 .

3, the sludge in the lower part of the sedimentation cell 100 is scraped and transferred to the hopper, and then the sludge is conveyed to the hopper, The sludge is moved backward in a state in which the scraper is lifted by the driving of the sludge regeneration device 50, and then the sludge is scraped again by advancing again.
At this time, the diagonal direction of the scraper portion is arranged to be rotated in a direction opposite to the direction of the sensing frame, which will be described later, as shown in FIG.

The rotary part 50 is connected to the scraper part 40 by a wire 51 to rotate the scraper part 40.

The rotary part 50 is a motor for winding the wire 51. The round wire of the wire 51 is connected to and wound around the rotary part 50 and the tart material is wound on the scraper part 40 The wire 51 is wound along the rotating direction by the driving of the rotating part 50 and the scraper part is rotated to rotate the scraper part, Or lowered.

The control unit 60 controls the travel unit 31 to control the movement of the bogie unit 30 and the rotation unit 50 to control the rotation of the scraper unit 40 .

The control unit 60 may be provided on the bogie portion.

The sensing unit 70 senses that the wire 51 is broken and transmits the signal to the controller 60. [

The sensing unit 70 includes a sensing frame 71 installed at a lower portion of the bogie portion in an oblique direction and a limit switch 72 installed at an end of the sensing frame 71.

The sensing frame 71 is welded or screwed to the bogie portion, and the limit switch 72 is fixed to the lower portion of the sensing frame 71 by screws. It is preferable that the limit switch 72 is secured to an external impact by fastening the cover.

That is, if the limit switch 72 does not receive the sensing signal, the control unit 60 determines that the wire 51 is broken and transmits the signal to the driving unit 31 to terminate the driving, It is prevented that the braking unit 30 is moved and the braking unit 40 is broken or the braking unit 30 is deviated from the rail 20.

In other words, when the wire 51 is cut off by repeated operation, the scraper 40 is not moved upward as the rotating portion 50 is driven, and when the scraper 40 is rotated by the limit switch 72, The limit switch 72 transmits the signal to the control unit 60 and the control unit 60 transmits the signal to the driving unit 31. [

The sensing bar 721 of the limit switch 72 is disposed orthogonally to the direction in which the scraper 40 is rotated and raised.

6, the sensing bar 721 of the limit switch 72 is disposed so as to intersect with the scraper portion, and the scraper portion 40 is formed into a circular tube shape so that the scraper portion 40 so that the end portion of the sensing bar 721 is pressed and raised along the curved outer surface of the rotating and rising scraper portion 40 so as to prevent the sensing bar 721 from being caught by the outer surface of the scraper portion And the friction area can be minimized.

In addition, it is preferable to provide a roller at the end of the sensing bar 721 to prevent friction.

The submerged sludge collector provided with the limit switch according to the present invention has been described with reference to the drawings. A submerged sludge collector provided with a limit switch according to the present invention is provided with a limit switch in a bogie portion so as to detect an operation state of a scraper and transmit a signal thereof to a control portion. If a limit signal is not transmitted from the limit switch, It is determined that the vehicle is broken and the signal is transmitted to the drive unit to terminate the drive of the truck so that the truck is moved in a state where the wire is broken so that the scraper can be caught by the bottom of the settler, There are advantages.

10: sludge collector 20: rail
30: Batch section 40: Scrappe
50: turning unit 60:
70:
31:
51: wire
71: detection frame 72: limit switch
721: Detection Bar
100: Settling basin

Claims (4)

A rail provided on both side wall portions of the sedimentation paper,
A bogie portion connected to the rails and having a traveling portion to be moved along the rails,
A scraper portion which is installed to rotate on the bogie portion and removes the precipitated sludge,
A rotating portion connected to the scraper portion by a wire to rotate the scraper portion,
And a controller for controlling the traveling unit and the rotary unit,
A sensing unit is further installed in the bogie unit to sense the breakage of the wire and transmit the signal to the control unit,
The sensing unit includes a sense frame installed in an oblique direction below the bogie,
And a limit switch provided at an end of the sensing frame,
If the sensing signal is not transmitted from the limit switch, the control unit determines that the wire is broken, and transmits the signal to the driving unit to terminate the driving, so that the braking unit is moved and the scraper unit is broken, Thereby preventing derailment in the rail,
Wherein the scraper portion is disposed in a lower portion of the bogie portion so as to rotate in an oblique direction,
Wherein the sensing bar of the limit switch is disposed orthogonally to a direction in which the scraper portion is rotated and raised,
The sensing bar is disposed at a length not exceeding a center point of the scraper portion,
The scraper portion is formed in a circular tube shape so that the end portion of the sensing bar is pressed along the curved outer surface of the scraping portion which is rotated and raised,
And a roller is further provided at an end of the sensing bar to prevent friction with the scraper portion.
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KR1020160012393A 2016-02-01 2016-02-01 Sludge collector equipped with limit switch KR101633321B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114797192A (en) * 2022-05-23 2022-07-29 宝武集团鄂城钢铁有限公司 Double-motor traveling type mud scraper diagonal early warning correction method and system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0117839Y1 (en) * 1995-03-03 1998-04-24 엄태경 Apparatus for detecting abnormal condition of chain plate type sludge collector
KR200156019Y1 (en) * 1997-02-25 1999-10-01 오경균 Chain-plate error detector of wastewater treatment device
KR200186817Y1 (en) * 1999-11-30 2000-06-15 포항종합제철주식회사 Anti-swirling type scraper device of thickner
KR200350420Y1 (en) * 2004-02-27 2004-05-12 효림산업주식회사 Shock control device of a wirerope for sludge collector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0117839Y1 (en) * 1995-03-03 1998-04-24 엄태경 Apparatus for detecting abnormal condition of chain plate type sludge collector
KR200156019Y1 (en) * 1997-02-25 1999-10-01 오경균 Chain-plate error detector of wastewater treatment device
KR200186817Y1 (en) * 1999-11-30 2000-06-15 포항종합제철주식회사 Anti-swirling type scraper device of thickner
KR200350420Y1 (en) * 2004-02-27 2004-05-12 효림산업주식회사 Shock control device of a wirerope for sludge collector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114797192A (en) * 2022-05-23 2022-07-29 宝武集团鄂城钢铁有限公司 Double-motor traveling type mud scraper diagonal early warning correction method and system
CN114797192B (en) * 2022-05-23 2024-02-06 宝武集团鄂城钢铁有限公司 Oblique running early warning and correcting method and system for dual-motor traveling mud scraper

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