KR101674853B1 - Sludge removal device with cleaning filter - Google Patents

Abstract

More particularly, the present invention relates to an apparatus for removing contaminants having a cleaning filter, in which sewage containing sludge is introduced into one end, sludge dewatered to the other end is discharged, and a plurality of dewatering holes are formed, A cylindrical screen, a driving unit for rotating the cylindrical screen, a sewage supply unit for supplying sewage containing sludge into one end of the cylindrical screen, a sludge discharge unit for discharging the sludge discharged to the other end of the cylindrical screen, A cleaning screen for cleaning the cylindrical screen by using treated water of the treated water discharging portion and a filtering means for filtering the treated water supplied to the cleaning means And means for filtering the number of processed data.
According to the present invention, since the treated water separated by the cylindrical screen is filtered to prevent the cleaning nozzle from being clogged, the cleaning nozzle is smoothly used for cleaning the cylindrical screen. Accordingly, the cost of cleaning the cylindrical screen due to clogging of the conventional cleaning nozzle The cleaning efficiency of the cylindrical screen can be improved as well as the sludge removal efficiency can be improved.

Description

Technical Field [0001] The present invention relates to a sludge removal device with a cleaning filter,

The present invention relates to an apparatus for removing contaminants, and more particularly, to an apparatus and method for cleaning a screen for sewage treatment, which is capable of eliminating problems caused by clogging of a cleaning nozzle by using treated water, To an apparatus for removing contaminants having a cleaning filter capable of improving the sludge removal efficiency as well as facilitating cleaning and reducing the cost.

Generally, the impurity removal device is a kind of waste disposal device installed in a discharge water channel of various sewage treatment plants. Such a water contamination removal device is a device for removing impurities from simple food waste, such as toilet paper, cloth, plastic, Rubber, sand, and other various types of foreign matter, so that various kinds of obstacles that cause clogging of the water channel can be easily caught and discharged.

Thus, as disclosed in the Utility Model Registration No. 0203076, which is installed and used in the above-described manner, there has been proposed a structure in which a conveying pipe having a downward inclined structure equipped with a driving motor and a basket drum having a cylindrical structure ) Into a linkage structure capable of mutual power transmission.

Then, the combined conveying pipe and the basket drum are fixed, the rake arm is rotated to scrape the contaminants inside the drum, and a screw for conveying the contaminants is installed in the basket drum and discharged.

In order to improve the removal efficiency, the conventional apparatus for removing contaminants should be periodically cleaned, and the cylindrical screen is cleaned using a separate liquid.

However, when a separate external liquid is used, a problem arises in that the cleaning equipment is further provided and the cost is increased.

In order to solve this problem, there has been developed and used a technique for reducing the cost by using the treated water separated from the cylindrical screen for cleaning the cylindrical screen. However, since the first separated water contains the small sludge passing through the screen, There is a problem that the screen is blocked or the cleaning nozzle is blocked to prevent the cleaning from being performed smoothly.

Accordingly, there is an urgent need to develop a technique for cleaning a screen using treated water, eliminating problems caused by blocking an outlet of a cleaning nozzle, improving separation efficiency, and reducing cost.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide an apparatus and a method for removing sludge from sludge containing sludge, The sludge contained in the treated water is prevented from being clogged by the sludge contained in the conventional treatment water as a result of secondary filtering and the sludge contained in the treated water is prevented from being clogged, Quot; is provided.

According to an aspect of the present invention, there is provided a method of manufacturing a cylindrical screen, including: a cylindrical screen in which sewage containing sludge is introduced at one end and sludge dewatered at the other end is discharged, A sludge discharge unit for discharging the sludge discharged to the other end of the cylindrical screen, and a sludge discharging unit for discharging the sludge discharged through the sludge discharging hole of the cylindrical screen A treatment water discharging portion through which treated water is discharged, a cleaning means for cleaning the cylindrical screen by using treated water of the treated water discharging portion, and a treatment water filtering means for filtering the treated water supplied to the cleaning means .

Preferably, the treated water discharging portion includes a water storage tank having a water storage space for temporary storage of the treated water discharged from the cylindrical screen, and a drain pipe for draining the treated water when the water level of the low- .

The water storage tank may include a first low water hole portion for temporarily storing the process water discharged from the cylindrical screen, a temporary low water hole portion for temporarily storing the water to be discharged from the first low water hole portion to be discharged to the outside, And a process water diaphragm which divides the first low water hole and the second water storage space so as to communicate only at the upper end, wherein the water level of the first low water hole And the treated water passing through the treatment water partition plate flows into the second water storage space part and drained through the drainage pipe.

In addition, the treatment water filtering means is disposed to be partially immersed in the treated water stored in the treated water discharging portion, and a plurality of filter holes are formed on the outer periphery to allow treated water to flow into the sludge, A process water filter to which the process water filter is filtered, and a process water collection port for rotatably installing the process water filter.

A rotary vane is provided at regular intervals along the outer periphery of the process water filter, and the process water discharged through the dehydration hole of the cylindrical screen strikes the rotary vane to rotate the process water filter.

The treatment water collecting portion includes a first receiving portion provided on one side of the treated water filter, a second receiving portion provided on the other side of the treated water filter, and a second receiving portion provided on the first receiving portion, And a second hinge unit provided on the second cradle and rotatably installing the other end of the process water filter.

The first hinge unit includes a first hinge shaft disposed at the center of one end of the process water filter, a second hinge shaft disposed at a center of the first hinge shaft, And a first fixing bracket for fixing the first hinge block to the first cradle, wherein the second hinge has a second hinge hole in the interior thereof, And a second fixing frame provided on the second hinge hole of the second hinge frame and slidably rotated on the second hinge frame and having a first mounting hole formed therein, And the cleaning means sucks the treatment water introduced into the treatment water filter through the first installation hole of the second fixed frame.

The inner circumferential surface of the second hinge shaft of the second hinge frame and the outer circumferential surface of the second fixing frame are Teflon coated.

The storage tank is provided with an opening and closing unit that can be opened and closed from the outside, and the second holder is provided with a second horizontal holder, which is provided with the second hinge, a second vertical holder A second horizontal support base provided on each of the second vertical base members for supporting both lower ends of the second horizontal base member and a second detachable attachment member for detachably attaching the respective ends of the second horizontal base member to the respective second vertical base members And the second hinge portion and the process water filter are separated together when the second horizontal holder is separated from the second vertical holder using the second detachable member after the opening and closing portions are separated.

In addition, the second horizontal support base further includes a guide frame in the opening / closing direction, and supports the guide and the lower side when the second horizontal support stand is separated.

The water storage tank may include a first low water hole portion for temporarily storing the process water discharged from the cylindrical screen, a temporary low water hole portion for temporarily storing the water to be discharged from the first low water hole portion to be discharged to the outside, And a third low-pass truncated portion provided between the first low-pass truncated portion and the second low-pass truncated portion, and a second low-pass truncated portion provided between the first low- A part of the treated water in which the sludge has been filtered by the treatment water filtering means is moved to the third water storage space part while the treatment water is moving from the first low water storage part to the second water storage part, Is moved to the second water storage space part.

The treatment water filtering means may include a treatment water filter body provided at an open portion of the third low water hole portion and forming a predetermined arc downward from the first low water hole portion to the second water storage space portion, And a plurality of filter holes formed in the process water filter body between the two adjacent ones of the stopping jaws.

In addition, the water storage tank may have an opening / closing part that can be opened / closed from the outside, and the treated water filter body may be detachably attached to the opened portion of the third low- The body can be moved away from the open portion of the third low-level hand portion.

The cleaning means includes a cleaning discharge pipe provided outside the cylindrical screen, a cleaning nozzle having a plurality of cleaning nozzles provided in the cleaning discharge pipe, a cleaning supply pipe connecting the treated water discharge portion and the cleaning discharge pipe, And a cleaning pump for supplying the treated water filtered through the water filtering means to the cleaning supply pipe and the cleaning discharge pipe and injecting the water through the respective cleaning nozzles.

And a filter cleaner for cleaning the process water filtering means.

As described above, according to the apparatus for removing contaminants having a cleaning filter according to the present invention, since the treated water separated by the cylindrical screen is filtered to prevent the cleaning nozzle from being clogged, it is used for cleaning the cylindrical screen smoothly, It is a very useful and effective invention to improve the cleaning efficiency of the cylindrical screen and to improve the sludge removal efficiency as well as to reduce the cost of washing the cylindrical screen due to clogging of the nozzle.

1 is a view showing an apparatus for removing contaminants having a cleaning filter according to the present invention,
2 is a view showing an embodiment of an apparatus for removing contaminants having a cleaning filter according to the present invention,
Fig. 3 is a view showing a means for filtering the water according to the present invention,
Fig. 4 is a view showing a treated waste portion according to the present invention,
5 is a view showing another embodiment of the apparatus for removing contaminants with a cleaning filter according to the present invention,
6 is a view showing an embodiment of a filter cleaner according to the present invention,
7 is a view showing another embodiment of the filter cleaner according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

It should be noted that the present invention is not limited to the scope of the present invention but is only illustrative and various modifications are possible within the scope of the present invention.

FIG. 1 is a view showing an apparatus for removing contaminants having a cleaning filter according to the present invention, FIG. 2 is a view showing an embodiment of a contaminant removal apparatus having a cleaning filter according to the present invention, FIG. FIG. 4 is a view showing a treatment water collection part according to the present invention, and FIG. 5 is a view showing another embodiment of the water removal filter having the cleaning filter according to the present invention. FIG. 6 is a view showing an embodiment of a filter cleaner according to the present invention, and FIG. 7 is a view showing another embodiment of the filter cleaner according to the present invention.

As shown in the drawing, the apparatus for removing contaminants 10 having a cleaning filter includes a cylindrical screen 100, a driving unit 200, a sewage supply unit 300, a sludge discharge unit 400, a treated water discharge unit 500, A cleaning means 600, and a treatment water filtering means 700.

In the cylindrical screen 100, sewage containing sludge is introduced into one end, sludge dewatered to the other end is discharged, and a plurality of dewatering holes are formed to discharge the treated water.

The driving unit 200 is provided to rotate the cylindrical screen 100 and the sewage supply unit 300 is provided to supply sewage containing sludge into one end of the cylindrical screen 100.

The sludge discharging part 400 is provided to discharge the discharged sludge to the other end of the cylindrical screen 100 and the treated water discharging part 500 discharges the treated water discharged through the dewatering hole of the cylindrical screen 100 .

The cleaning means 600 is provided for cleaning the cylindrical screen 100 by using the treated water of the treated water discharging portion 500 and the treated water filtering means 700 is provided for treating the treated water supplied to the cleaning means 600 As shown in FIG.

The operation state of the apparatus for removing contaminants 10 having the cleaning filter is as follows. The treated water separated from the sludge by the cylindrical screen 100 is temporarily stored in the treated water discharging portion 500, and then discharged.

The treated water temporarily stored in the treated water discharging unit 500 is secondly filtered by the treated water filtering means 700 and the second filtered treated water is cleaned by the cleaning means 600 .

For this purpose, the treated water discharge part 500 is composed of a water storage tank 510 and a drain pipe 520.

The water storage tank 510 is formed with a low water hole portion 512 for temporary storage of the treated water discharged from the cylindrical screen 100. The water pipe 520 is connected to the lower water tank 510 at a predetermined water level When the water level is higher than the water level, the treated water is provided for draining.

2, the low water hole 512 of the water storage tank 510 is composed of a first low water hole 512a, a second low water hole 512b and a treated water diaphragm 512c .

The first low water hole 512a is formed to temporarily store the treated water discharged from the cylindrical screen 100 and the second low water hole 512b flows in the first low water hole 512a and drained to the outside If it is stored for more than a certain level, it is drained to the outside.

The treated water diaphragm 512c divides the first low water hole 512a and the second low water hole 512b so as to communicate only at the upper end.

A predetermined water level of the first low water hole 512a is maintained by the treated water diaphragm 512c and the treated water passing over the treated water diaphragm 512c flows into the second low water hole 512b, .

As shown in Fig. 3, the process water filtering means 700 is composed of a process water filter 710 and a process water collecting column 720.

The process water filter 710 is positioned so as to be partially submerged in the process water stored in the process water discharge unit 500 and a plurality of filter holes 712 are formed on the outer periphery of the process water filter unit 710 so that the process water flows into the process water, The contained sludge is filtered.

Then, the treatment water collecting portion 720 is installed so that the treatment water filter 710 can rotate.

Here, the rotary vane 730 is provided at regular intervals along the outer periphery of the process water filter 710, and the process water discharged through the dewatering holes of the cylindrical screen 100 hits the rotary vane 730, 710).

The treatment receptacle portion 720 is composed of a first holder 722 and a second holder 724, a first hinge portion 726 and a second hinge portion 728.

The first cradle 722 is provided on one side of the process water filter 710 and the second cradle 724 is provided on the other side of the process water filter 710.

The first hinge portion 726 is provided on the first hinge portion 722 to rotatably install one end of the process water filter 710 and the second hinge portion 728 is provided on the second hinge portion 724 And the other end of the process water filter 710 is rotatably installed.

One end 710a of the process water filter 710 is closed, and the other end 710b is formed with an opening 714 at the center thereof.

The first hinge portion 726 constitutes the first hinge axis 7262, the first hinge block 7264, and the first fixing bracket 7266.

The first hinge axis 7262 is provided at the center of one end of the process water filter 710 and the first hinge block 7264 is installed to penetrate the first hinge axis 7262 so as to be rotatable.

And a first fixing bracket 7266 is provided for fixing the first hinge block 7264 to the first holder 722. [

The first hinge block 7264 is formed with a first hinge hole through which the first hinge shaft 7262 is inserted and a bearing is provided between the first hinge hole and the first hinge shaft 7262, The inner circumferential surface of the hinge hole and the outer circumferential surface of the first hinge axis 7262 are coated to minimize frictional force, and in one embodiment, it is preferably Teflon coated.

The second hinge portion 728 is composed of a second hinge frame 7282 and a second fixing frame 7284.

The second hinge frame 7282 has a second hinge hole 7283 therein and is provided in the opening 714 of the process water filter 710.

The second fixing frame 7284 is installed on the second hinge hole 7283 of the second hinge frame 7282 so that the second hinge frame 7282 is slid and rotated and a first mounting hole 7285 .

The cleaning means 600 sucks the treated water that has flowed into the process water filter 710 through the first installation hole 7285 of the second fixed frame 7284.

Here, the inner circumferential surface of the second hinge hole 7283 of the second hinge frame 7282 and the outer circumferential surface of the second fixing frame 7284 are coated to minimize frictional force. In one embodiment, it is preferable that the outer circumferential surface of the second fixing frame 7284 be Teflon coated.

As shown in FIG. 4, the water storage tank 510 is formed with an opening / closing part 530 that can be opened / closed from the outside.

The first holder 722 is composed of a first horizontal holder 7222 and a first vertical holder 7224, a first horizontal holder 7226 and a first detachable member 7228.

The first horizontal holder 7222 is provided with a second hinge portion 7283 and the first vertical holder 7224 is positioned at both ends of the first horizontal holder 7222.

The first horizontal support 7226 is provided on each first vertical support 7224 to support both lower ends of the first horizontal support 7222.

The first detachable member 7228 is also provided for detachably attaching each end of the first horizontal support 7226 to each first vertical support 7224.

When the first horizontal holder 7222 is separated from each first vertical holder 7224 by the first attachment and detachment member 7228 after the opening and closing part 530 is separated from the first hinge part 728, (710) are detached together.

The first horizontal support frame 7226 further includes a guide frame 740 in the direction of the opening and closing part 530 to support the guide and the lower side when the first horizontal support frame 7222 is detached.

5, the water storage tank 510 'of another embodiment has a first low water hand screw portion 512', a second low hand water hand portion 514 'and a third low hand water hand portion 516' .

The first low water hole 512 'is provided for temporary storage of the treated water discharged from the cylindrical screen 100.

The second low-water hole 514 'is temporarily stored in the first low-water hole 512' to be drained to the outside, and drained to the outside when the water is stored over a certain level.

The third low-level hand portion 516 'is provided between the first low-hand side portion 512' and the second low-hand side portion 514 '.

A treatment water filtering means 700 'is provided at the open portion of the third low-water hole portion 516'.

A part of the treated water whose sludge has been filtered by the treated water filtering means 700 'while the process water is moving from the first low-water hole 512' to the second low-water hole 514 ' , And the remaining treated water and the sludge are transferred to the second low-humidification portion 514 '.

In another embodiment, the process water filtering means 700 'is composed of a process water filter body 710', a catching jaw 720 'and a filter hole 730'.

The treated water filter body 710 'is provided at the open portion of the third low-water hole 516' and is recessed downward from the first low-water hole 512 'to the second low-water hole 514' To form a constant arc.

In addition, a plurality of locking protrusions 720 'protrude from the treatment water filter body 710' and are formed along the arc, and the filter holes 730 'protrude from two adjacent ones of the locking protrusions 720' Are formed in the process water filter body 710 '.

The reservoir tank 510 'is formed with an opening / closing part 530' which can be opened / closed from the outside.

The treated water filter body 710 'is detachably attached to an open portion of the third low water hole 516' and the treated water filter body 710 'is opened to the third Can be separated and moved at the open portion of the low-handed shaft portion 516 '.

The cleaning means 600 includes a cleaning discharge pipe 610, a cleaning nozzle 620, a cleaning supply pipe 630, and a cleaning pump 640.

A cleaning discharge pipe 610 is provided outside the cylindrical screen 100 and a plurality of cleaning nozzles 620 are provided in the cleaning discharge pipe 610.

The cleaning water supply pipe 630 connects the process water discharge unit 500 and the cleaning water discharge pipe 610. The cleaning water pump 640 discharges the treated water filtered through the process water filtering unit 700 to the cleaning water supply pipe 630 and a cleaning discharge pipe 610 to spray the cleaning solution through the cleaning nozzles 620.

Further, a filter cleaning section 800 for cleaning the process water filtering means 700 is further provided.

The filter cleaning section 800 includes a second cleaning discharge pipe 810 and a second cleaning nozzle 820.

In one embodiment, as shown in FIG. 6, the second cleaning discharge pipe 810 is positioned at one end inside the process water filter 710, and the other end branches at the cleaning supply pipe 630.

In other words, the second cleaning discharge pipe 810 is inserted through the second installation hole 7286 of the second fixing frame 7284, one end is positioned inside the process water filter 710, and the second installation hole 7286 ) And the second cleaning discharge pipe 810 are sealed.

The second cleaning nozzle 820 is provided at one end of the second cleaning discharge pipe 810 to spray the cleaning treatment water toward the inner peripheral surface of the treatment water filter 710 to clean the filter hole 712.

A cleaning valve 830 may be further provided at a portion where the second cleaning discharge pipe 810 and the cleaning supply pipe 630 are connected.

The cleaning valve 830 is provided to open and close the second cleaning discharge pipe 810 so that the cleaning treatment water moved along the cleaning supply pipe 630 flows into or out of the second cleaning discharge pipe 810 .

The second auxiliary discharge pipe 840 may be branched to the second cleaning discharge pipe 810 in a manner different from the cleaning valve 830. The end of the second auxiliary discharge pipe 840 may be branched 1 low-pass section 512a.

The second auxiliary discharge pipe 840 discharges the cleaning water supplied to the second cleaning discharge pipe 810 to the first low water hole 512a.

Of course, a separate second cleaning valve 850 is further provided at a branched portion of the second cleaning discharge pipe 810 and the second auxiliary discharge pipe 840 to discharge the cleaning treatment water to the second cleaning discharge pipe 810 The second auxiliary drain pipe 840, and the second auxiliary drain pipe 840.

A cleaning valve 830 may also be provided to supply and block the cleaning water for treatment, and each valve may be directly controlled by an operator or controlled by a controller 860.

7, a second cleaning discharge pipe 810 'of another embodiment is located below the process water filter body 710' and a plurality of second cleaning discharge pipes 810 'are disposed along the second cleaning discharge pipe 810' 2 cleaning nozzle 820 'is provided.

The second cleaning discharge pipe 810 'is branched from the cleaning supply pipe 630 to receive the treatment water for cleaning, and the treatment water is sprayed through the plurality of second cleaning nozzles 820'.

Thus, the filter hole 730 'can be cleaned by jetting the cleaning treatment water to the plurality of filter holes 730' of the treatment water filter body 710 '.

10: Dirt removal device 100: Cylinder screen
200: driving unit 300: sewage supply unit
400: sludge discharge part 500: treated water discharge part
510, 510 ': Reservoir tank 512: Low-
512a, 512 ': first low-level hand part 512b, 514': second low-
512c: treated water diaphragm 516 ': third low-hand side cap
520: water pipe 530, 530 ': opening /
600: Cleaning means 610: Cleaning discharge pipe
620: Cleaning nozzle 630: Cleaning pipe
640: Cleaning pump 700, 700 ': Treated water filtering means
710: Process water filter 714: Open hole
720: Processed collection unit 722: First holder
724: second stand 726: first hinge part
7262: first hinge shaft 7264: first hinge block
7266: first fixing bracket 728: second hinge part
7282: second hinge frame 7283: second hinge ball
7284: second fixing frame 7285: first fixing hole
710 ': treated water filter body 720': engaging jaw
730 ': filter ball 800: filter 3
810: Second cleaning pipe 820: Second cleaning nozzle
830: Cleaning valve 840: Second auxiliary outlet pipe
850: second cleaning valve 860:

Claims (1)

A cylindrical screen into which sewage containing sludge is introduced at one end, sludge dewatered at the other end is discharged, and a plurality of dewatering holes are formed to discharge the treated water;
A driving unit for rotating the cylindrical screen;
A sewage supply unit for supplying sewage containing sludge into one end of the cylindrical screen;
A sludge discharge unit for discharging the sludge discharged to the other end of the cylindrical screen;
A process water discharge unit for discharging process water discharged through a dewatering hole of the cylindrical screen;
A cleaning means for cleaning the cylindrical screen using treated water of the treated water discharge portion; And
And a treatment water filtering means for filtering the treatment water supplied to the cleaning means,
The treated water discharging portion
A water storage tank having a water storage space for temporary storage of the treated water discharged from the cylindrical screen; And
And a drain pipe through which the treated water is drained when the water level of the low water level of the water storage tank is higher than a certain water level,
The water storage tank
A first low water hole portion for temporarily storing the process water discharged from the cylindrical screen;
A second low-humidifying portion which is temporarily stored to be introduced from the first low-humidified portion and drained to the outside, and to be drained to the outside when stored over a certain level; And
And a third low-level hand portion provided between the first low-level hand portion and the second low-level hand portion,
The processing water filtering means is provided at an open portion of the third low-
A portion of the treated water filtered by the sludge filtering means is moved to the third storage space portion while the treated water is moving from the first low-water storage portion to the second storage space portion,
The remaining treated water and the sludge are moved to the second water storage space part,
Wherein the processing-
A treatment water filter body provided at an open portion of the third low water hole portion and forming a predetermined arc downward from the first low water hole portion to the second water storage space portion;
A plurality of protrusions protruding from the treated water filter body along the arc; And
And a plurality of filter holes formed in the processing water filter body between two adjacent ones of the engaging jaws,
One end of the treatment water filter body connected to the first low water hole is located on the upper side of the other end of the treatment water filter body connected to the second low water hole, and the extension line passing through the middle part of the arc, Extends in an inclined manner in the low hand side direction,
Wherein the water storage tank is formed with an opening / closing portion that can be opened / closed from the outside,
Wherein the opening / closing portion is formed on a side surface of the water storage tank,
Wherein the treated water filter body is detachably attached to an open portion of the third low-
The filter body can be moved to the outside by separating the treated water filter body from the opened portion of the third low-flow passageway and horizontally moving in the direction of the opened opening and closing portion while the opening / closing portion is opened,
The cleaning means,
A cleaning discharge pipe provided outside the cylindrical screen;
A plurality of cleaning nozzles provided in the cleaning discharge pipe;
A cleaning supply pipe connecting the treated water discharge portion and the cleaning discharge pipe; And
And a cleaning pump for supplying the treated water filtered through the treatment water filtering means to the cleaning supply pipe and the cleaning discharge pipe and injecting the treated water through the respective cleaning nozzles,
And a filter cleaner for cleaning the process water filtering means,
The filter cleaning unit may include:
A second cleaning discharge pipe located below the treated water filter body; And
And a plurality of second cleaning nozzles formed along the second cleaning discharge pipe,
And the second cleaning discharge pipe is branched from the cleaning supply pipe to receive the cleaning treatment water and is capable of cleaning the filter hole by spraying the treatment water through the plurality of second cleaning nozzles An apparatus for removing contaminants having a cleaning filter.

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