KR100926974B1 - Filtering panel the washing system of filter press - Google Patents

Abstract

PURPOSE: A filter press having a washing device is provided to perform a washing process of a filter plate after completing a discharge process of solid and a filtering process of the filter press. CONSTITUTION: A filter press having a frame, a plurality of filter plates(12), and a plurality of pressurizing plates, is comprised of a main body, a first driving part, a movement block(30), an arm(40), a second driving part, and a third driving part. The arm is comprised of a first arm(401) and a second arm(402). The first arm includes the first injection nozzle spraying cleaning water. The second arm includes the second injection nozzle spraying the cleaning water toward filter cloth(12b).

Description

Filtering panel the washing system of filter press

The present invention relates to a filter press, and more particularly to a cleaning apparatus for removing the residue of the sludge present in the filter plate of the filter press.

The filter press, which is a compression filtration dehydrator, uses a filter plate having a filter cloth to remove water from the suspension by separating the solids from the suspension (hereinafter referred to as sludge), and then removes moisture from food, chemicals, civil engineering, It is widely used in all industries such as construction and environment. In particular, as marine sludge generated from landfill treatment and landfilling becomes impossible, interest in various facilities of solid-liquid separation and dewatering devices such as filter presses is increasing.

1 is a side view illustrating a configuration of a conventional filter press, FIG. 2 is a front view illustrating a configuration of a conventional filter press, and FIGS. 3 to 5 are side views illustrating an operation state of a conventional filter press. Generally, the filter press 1 includes a frame 11; Pressure plates 13 and 13 "provided on both sides of the frame 11 and movable to face each other by the operation of the drive cylinders 14 provided on at least one of the frames 11; and the pressure plates 13 and 13". A plurality of filter plates 12 are disposed to overlap each other in the space between.

The pressure plates 13, 13 "and the filter plate 12 are guide-supported on the frame 11, and are in close contact with each other or spaced apart from each other according to the operation of the driving cylinder 14.

At this time, the pressure plates 13 and 13 ″ are pressed (operated) by the operation of the driving cylinder 14 to align the spaced apart filter plates 12 side by side, and then press one side by the operation of an external pressure pump (not shown). The sludge is introduced into the filter plate 12 through the sludge inlet pipe 17 installed in the plate 13.

When the sludge flows into the filter plate 12 in this way, between the filter cloth and the filter cloth sludged by the filter cloth 12a (12b) (see Fig. 11) provided on both sides of the filter plate 12, that is, adjacent filter plate 12 The water contained in the sludge is filled in the space between the filter plate 12 and the press plates 13, 13 "are pressed to press the filter plates 12 to pass through the filter cloths 12a and 12b. 12) is discharged to the outside through the discharge pipe 18 through the hole formed therein.

After performing the filtration process for manufacturing the solid (S) from which the water is removed from the sludge as described above, the solid (S) remaining in the space between the filter plate 12 and the filter plate 12 to the outside of the filter press (1). The discharge process is performed.

For example, on the contrary, the drive cylinder 14 is driven in the opposite direction so that the press plates 13 and 13 "which have been pressurized are separated from each other.

Thereafter, the closely contacted filter plates 12 are spaced apart from each other to drop the solids S formed therebetween. In this case, the filter plates 12 are disposed in a limited area with both pressure plates 13 and 13 ″ interposed therebetween, by means of separate movement means 15 from the frame 11 to the respective filter plates 12. Moving in sequence, it is to discharge the solids (S) formed therebetween sequentially.

That is, the filter plates 12 for performing such a discharge process are guided on the frame 11 so as to form a structure that is movable in close contact with or spaced apart in conjunction with the pressing force of the pressure plates 13 and 13 ″. It further comprises a separate moving means 15 for discharging the solids (S) formed between.

Individual moving means (51) of these filter plates 12 and the drive motor installed in the frame (11); Drive means connected to an output shaft of the drive motor and formed of a belt, a chain, a screw or the like disposed between the pressing plates; A moving block coupled to the driving means to move a region between the pressing plates; It consists of individual restraining means for selectively connecting said moving block and respective filter plates.

On the other hand, as described above, after performing the discharge process for discharging the solids (S) formed therebetween through the filter plate 12 which is sequentially moved through the individual moving means 15 of the filter plate 12, the filter plate 12 ) Sludge is not completely peeled off on both filter cloths and is squeezed and hardened.

That is, during the filtration process, sludge penetrates and adheres between the filter plates that are in close contact with each other. At this time, when the sludge is squeezed and hardened on the filter plate, the adhesiveness between the filter plates is degraded, thereby inhibiting the filtration efficiency. .

For this reason, the operator needs to remove the sludge attached to the filter plate every time when the solid material is taken out.

In the related art, the worker picked up a stick with a sharp iron plate and scraped off the sludge attached to the filter plate to remove the filter paper.In this case, the filter paper was crushed on the sharp iron plate around the worker's circumference. Not only is it costly, but frequent line stoppages have led to the problem of delaying working time and raising the overall cost of the process.

In addition, there are usually dozens of filter plates mounted on the filter press, when both surfaces of each filter plate is manually cleaned, the work time is excessively excessive, and the worker who is doing the manual work has a high risk of safety accidents such as falling.

Therefore, the present invention is to solve the conventional problems as described above, the object of the filter press is provided with a cleaning device to perform a cleaning step for the filter plate, after the filtration step of the filter press and the discharge process of the solid is completed. In providing.

In addition, another object of the present invention can be installed on one side of the filter press to exclude interference in the operation of the filter press, the installation change to the conventional filter press is free, and the efficiency of cleaning can be improved, The present invention provides a filter press having an automated cleaning device that can prevent damage to the filter plate and save time for cleaning operations.

It is still another object of the present invention to provide a filter press including a cleaning device capable of simultaneously cleaning both filter cloths of one filter plate, thereby reducing the working time of the cleaning process.

In addition, another object of the present invention is a filter having a cleaning device capable of simultaneously cleaning by spraying with a washing water of a constant pressure and cleaning by scraping with a brush, thereby improving the cleaning efficiency for the filter cloth In providing a press.

In addition, another object of the present invention is to provide a filter press having a cleaning device that can improve the working environment and prevent environmental pollution by separately collecting and discharging the washing water used for cleaning during the cleaning process. have.

The present invention for achieving the above problems and eliminating the conventional drawbacks includes a frame, a plurality of filter plates movable in the longitudinal direction of the frame, and a pressure plate disposed on both sides of the filter plates to closely contact the filter plates. In the filter press,

A body disposed at one side of the filter press and supported by a guide rail formed at an upper end and a lower end of the filter press and movable from one pressing plate to another pressing plate;

A first driving part which moves the body from the frame;

A movable block supported by a guide rail formed in a height direction of the body to move upward and downward;

A cleaning arm hinged to the moving block and connected to an external cleaning water tank in a longitudinal direction, and having a plurality of injection nozzles for spraying the cleaning water;

A second driving unit rotating the cleaning arm from the moving block to the lower side of the filter plate of the filter press around the hinge coupler; And

And a third driving part for elevating the movable block and the cleaning arm corresponding to the height of the filter plate.

From the above means, the present invention eliminates the interference of the filter press filtration and the discharge process from the configuration of the body installed on one side of the filter press, the lifting movable block, the rotating cleaning arm, and the conventional filter press It is free to change the installation according to the removal of the installation, there is an advantage that can bring down the production cost due to the structural change.

In addition, the present invention by adding an automated cleaning process in conjunction with the filtration process and the solids discharge process of the filter press, it is possible to build the overall automation of the filter press.

In addition, the present invention has the advantage that can reduce the working time required for the entire cleaning process of the filter press is provided with a large number of filter plates through the cleaning arm for cleaning both filter cloth of one filter plate at the same time.

In addition, the present invention is provided with a cleaning arm that can perform the cleaning by spraying with a washing water of a constant pressure and the cleaning by scraping with a brush at the same time, to prevent breakage of the filter cloth, clogging of the filter cloth, etc. And, there is an advantage that can further improve the cleaning efficiency for the filter cloth.

In addition, the present invention has the advantage that it is possible to improve the environmental problems resulting from the dumping of pollutants, such as by separately collecting and discharging the washing water used for cleaning during the cleaning process.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

First, referring again to FIGS. 1 to 5, first, the filter press 1 to which the cleaning apparatus according to the present invention is mounted includes a frame 11 and a frame 11; Pressure plates (13) and (13 ") provided on both sides of the frame (11) and movable to face each other by the operation of the driving cylinder (14) provided at least on either side; A plurality of filter plates 12 are arranged to overlap in the space between the.

The pressure plates 13, 13 "and the filter plate 12 are guide-supported on the frame 11, and are in close contact with each other or spaced apart from each other according to the operation of the driving cylinder 14.

At this time, the pressure plates 13 and 13 ″ are pressed (operated) by the operation of the driving cylinder 14 to align the spaced apart filter plates 12 side by side, and then press one side by the operation of an external pressure pump (not shown). The sludge is introduced into the filter plate 12 through the sludge inlet pipe 17 installed in the plate 13.

When the sludge flows into the filter plate 12 in this way, between the filter cloth and the filter cloth sludged by the filter cloth 12a (12b) (see Fig. 11) provided on both sides of the filter plate 12, that is, adjacent filter plate 12 The water contained in the sludge is filled in the space between the filter plate 12 and the press plates 13, 13 "are pressed to press the filter plates 12 to pass through the filter cloths 12a and 12b. 12) is discharged to the outside through the discharge pipe 18 through the hole formed therein.

After performing the filtration process for manufacturing the solid (S) from which water is removed from the sludge as described above, the solid (S) staying in the space between the filter plate (12) and the filter plate (12) outside the filter press 1 Discharge process to the bottom).

For example, the drive cylinder 14 is driven oppositely to space the pressurized plate 13 that has been pressed.

Thereafter, the closely contacted filter plates 12 are spaced apart from each other to drop the solids S formed therebetween. In this case, the filter plates 12 are disposed in a limited area with both pressure plates 13 and 13 ″ interposed therebetween, by means of separate movement means 15 from the frame 11 to the respective filter plates 12. Moving sequentially, the solids (S) formed therebetween are dropped sequentially.

That is, the filter plates 12 for performing such a discharge process are guided on the frame 11 so as to form a structure that is movable in close contact with or spaced apart in conjunction with the pressing force of the pressure plates 13 and 13 ″. It further comprises a separate moving means 15 for discharging the solids (S) formed between.

The individual moving means 15 of these filter plates 12, drive motor installed in the frame; A power transmission means connected to an output shaft of the drive motor and formed of a belt, a chain, a screw, or the like disposed between the pressure plates; A moving block coupled to the power transmission means and moving a region between the pressing plates; It may be made of a separate restraining means for selectively connecting the moving block and each filter plate. The individual moving means 15 of the filter plates 12 are presented as various embodiments such as Korean Patent No. 0834930, Korean Patent Application No. 0431214, Korean Patent No. 0446067, Korean Patent No. 0801907, and the like. In addition, a variety of filter plate individual means of transport are currently widely used, which can be selectively adopted and used from the presented prior art documents, the detailed description thereof will be omitted.

6 is a side view illustrating a configuration of a filter press according to the present invention, FIG. 7 is a front view illustrating a configuration of a filter press according to the present invention, and FIG. 8 is a front view showing a configuration of a cleaning apparatus according to the present invention. 9 and 10 are side views showing the operating state of the cleaning device according to the invention, Figure 11 is a partial perspective view showing the configuration of the cleaning arm according to the invention, Figure 12 is a view of the present invention An illustration showing a front view showing the configuration of a filter press having a cleaning device according to an embodiment,

3 to 12, in the filter press 1 having the structure as described above, the cleaning device 2 according to the present invention includes a body 20, a moving block 30, and a cleaning arm 40. It includes.

More specifically, the body 20 is a housing disposed vertically to one side of the filter press 1 and having a cross section of a Π shape, and a height direction and pressure of the filter plate 12 of the filter press 1. The space between the plates 13 and 13 "is used as a work area, and the movable block 30 and the cleaning arm 40 are mounted.

That is, the body 20, the upper end and the lower end of each of the roller 201 is supported on the guide rail 111 formed in the frame 11 of the filter press 1, it is disposed on one side of the filter press 1 By the operation of the first driving unit 50, the first press unit 50 is movable from one pressing plate 13 of the filter press 1 toward the other pressing plate 13 ″.

The first driving unit 50 according to an embodiment of the present invention is installed on the upper end (the embodiment shown) or the lower end of the frame 11, the rack is arranged in parallel with the guide rail 111 of the frame 11 ( 503); The first driving motor 501 is installed on the body 20 to rotate the pinion 502 coupled with the rack 503 forward and backward.

In addition, on one side of the body 20 facing the filter plate 12 is installed to configure the positioning sensor 80 for detecting the position of the filter plate 12, from the signal received through the positioning sensor 80 The first driver 50, the second driver 60 to be described later, and a controller 90 for controlling the third driver 70 are configured.

The moving block 30 has a state in which one side of the roller 301 is supported by the guide rail 201 formed in the height direction on the inner inner surface of the body 20. That is, the moving block 30 is moved up and down in the height direction of the body 20 by the operation of the third driving unit 70.

The cleaning arm 40 is hinged 35 to the other end of the moving block 20 to form a cantilevered shape. That is, the cleaning arm 40 is rotated downward from the moving block 30 from the moving block 30 about the hinge 35 coupling portion by the operation of the second driving unit 60.

As a result, the cleaning arm 40 coupled with the movable block 30 is moved by the third driving unit 70 by the third driving unit 70 while being moved downward of the filter plate 12 through the second driving unit 60. It is to move up and down in the height direction of the filter plate 12 together.

At this time, the washing arm 40 is connected to the external washing water tank in the longitudinal direction is provided with a plurality of injection nozzles 405 for spraying the washing water.

As described above, the injection nozzle 405 formed in the cleaning arm 40 is directed toward the filter cloth 12a, 12b provided in the filter plate 12, and one filter plate 12 to increase the efficiency of the cleaning operation. It is preferable to be able to simultaneously wash the filter cloth (12a) (12b) provided on both sides of.

That is, the cleaning arm 40 is disposed to face each other with one filter plate 12 interposed therebetween, so that one filter cloth 12a of both filter cloths 12a and 12b of one filter plate 12 is disposed. A first arm 401 having a first spray nozzle 405a for spraying the washing water toward the head, and a second arm having a second spray nozzle 405b for spraying the washing water toward the other filter cloth 12b. 402.

At this time, the first arm 401 and the second arm 402 are provided with a brush 406 in close contact with the opposing filter cloth 12a, 12b, and the cleaning cloth 12a, 12b The cleaning action and the cleaning action by the brush 406 during the simultaneous lifting and lowering are combined.

Subsequently, a second driving unit 60 for rotating the cleaning arm 40 around the hinge 35 coupling portion from the moving block 30 is provided in the moving block 30 to clean the arm 40. It may be made of a second driving cylinder for withdrawing the combined rod.

In addition, the third driving unit 70 for elevating the movable block 30 to which the cleaning arm 40 is coupled in the height direction of the body 20 is a movable pulley installed at an upper end and a lower end of the body 20. 702 and the driven pulley 703, and the power transmission member 704 is connected to the movable pulley 702 and the driven pulley 703, the movable block 30 is fixedly coupled to a portion, and the movable pulley 702 ) May be composed of a third driving motor 701 for forward and reverse rotation.

In addition, as shown in Figure 12, the lower end of the frame 11 of the filter press 1 according to the present invention, the opening and closing tray 19 for collecting and draining the washing water falling during the cleaning operation through the cleaning device (2) To configure the installation. That is, during the filtration process of the filter press 1, the opening and closing tray 19 is opened to drop the solids S, and the opening and closing tray 19 is blocked only during the cleaning process to collect and discharge the washing water falling after the cleaning. To make it possible.

Referring to the operation of the cleaning device by the above configuration as follows.

First, as described above, the filter press aligns the filter plates 12 side by side between the pressure plates 13 and 13 ″ by the filtration process, that is, the operation of the driving cylinder 14, and then an external pressure pump (not shown). When the pressurized plates 13 and 13 "are pressurized while the sludge is introduced into the filter plate 12 through the sludge inlet pipe 17 of one pressurized plate 13 by the operation of (S) is filled in the space between the neighboring filter plate 12 and the filter plate 12, the water contained in the sludge is discharge pipe 18 through the inner hole of the filter plate 12 through the filter cloth (12a) (12b) It is discharged to the outside through.

After the filtration process, the filter press is discharged, that is, the driving cylinder 14 is driven oppositely to separate the pressurized plate 13 from being pressurized, and the filter plates 12 are pressurized plates spaced through individual moving means 15. Moving sequentially toward (13), the solids (S) formed therebetween fall down to its own weight.

As described above, the filter press which has completed the water filtration process for the sludge and the discharge process of the formed solids is subjected to the cleaning process according to the present invention. Looking at the cleaning process according to the invention with reference to Figure 13 as follows.

First, the opening and closing tray 19 installed at the lower end of the frame 11 of the filter press 1 is blocked.

Thereafter, the control unit 90 of the cleaning device 2 operates the first driving unit 50 to move the body 20 along the guide rails 111 of the frame 11, and is installed at one side of the body 20. The cleaning device 2 is stopped in the pressure free space D of the pressure plate 13 and the filter plate 12 through the positioning sensor 80.

Thereafter, the control unit 90 operates the second driving unit 60 to rotate the cleaning arm 40 from the moving block 30, and is positioned side by side under the filter plate 12.

Thereafter, the initial filter plate 12 is moved to the central point of the pressurized clearance space D through the individual moving means 15.

Thereafter, the control unit 90 recognizes the correct position of the filter plate 12 moved through the positioning sensor 80, and operates the first driving unit 50 in response to the correct position of the cleaning device 2. The filter plate 12 is aligned between the first arm 401 and the second arm 402.

Thereafter, the controller 90 operates the third driving unit 70 to raise the moving block 30 and the cleaning arm 40 along the guide rail 205 of the body 20. At the same time, the washing water at a constant pressure is supplied from the external washing water tank to the washing arm 40.

At this time, the first arm 401 and the second arm 402, which are brought into close contact with both filter cloths 12a and 12b of the filter plate 12, respectively, are flushed with a predetermined pressure from the respective injection nozzles 405a and 405b. By simultaneously performing the cleaning action and the scraping cleaning action by the brush 406 in close contact with the filter cloth 12, to prevent the damage of the filter cloth 12 from the oil film phenomenon of the washing water, the scraping of the filter cloth 12 by The sludge cleaning efficiency can be improved by preventing clogging.

After the cleaning operation on one filter plate 12 is completed by raising and lowering both of the one filter plate 12, the filter plate 12 moves the individual moving means 15 again, and the opposite pressure plate 13 is removed. The new filter plate 12 is moved to the central point of the pressurizing clearance D.

Thereafter, the control unit 90 recognizes the position of the new filter plate 12 through the positioning sensor 80, and in response thereto, operates the first driving unit 50 to clean the arm 40 of the cleaning device 2. ) Is calibrated to be positioned side by side with the new filter plate 12, and the repeated cleaning operation as described above is performed.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

1 is a side view showing the configuration of a conventional filter press

2 is a front view showing the configuration of a conventional filter press

3 to 5 is an exemplary side view showing an operating state of a conventional filter press

Figure 6 is an exemplary side view showing the configuration of the filter press according to the present invention

7 is a front view illustrating the configuration of the filter press according to the present invention.

Figure 8 is a front view showing the configuration of the cleaning apparatus according to the present invention

9 and 10 are side view illustrating an operating state of the cleaning device according to the present invention.

Figure 11 is a partial perspective view showing the configuration of the cleaning arm according to the present invention

12 is a front view showing the configuration of a filter press with a cleaning device according to an embodiment of the present invention.

Figure 13 is a schematic side view showing an operating state of the cleaning device of the present invention

<Description of the symbols for the main parts of the drawings>

(1): filter press (11): frame

(111): guide rail 12: filter plate

(12a) (12b): Filter cloth 13 (13 "): Pressing plate

(14): drive cylinder (15): (filtration board) individual means of transportation

(17): (sludge) inlet pipe (18): (water) discharge pipe

(2): washing device (19): tray for opening and closing

20: body 201: roller

(205): guide rail (30): moving block

301: roller 35 hinge

40: cleaning arm 401: first arm

(402): second arm (405): jet nozzle

(406): Brush 50: First Drive Part

(501): first drive motor (60): second drive unit

(70): third drive unit (701): third drive motor

704: power transmission member 80: position sensor

(90): control unit (S): solids

Claims (8)

Filter press (1) comprising a frame (11), a plurality of filter plates (12) movable in the longitudinal direction of the frame, and pressing plates (13) (13 ") disposed on both sides of the filter plates to closely contact the filter plates. ), It is disposed on one side of the filter press (1), the upper end and the lower end are supported by the guide rail (11a) formed in the frame 11, from one pressing plate 13 toward the other pressing plate 13 ". A movable body 20; A first driving part 50 which moves the body 20 from the frame 11; A movable block 30 supported by a guide rail formed in the height direction of the body 20 to move up and down; A cleaning arm (40) coupled to the movable block (30) and the hinge (35) and having a plurality of injection nozzles connected to an external cleaning water tank in a longitudinal direction to spray the cleaning water; A second driving unit 60 rotating the cleaning arm 40 below the filter plate of the filter press from the moving block 30 about the hinge 35 coupling unit; And And a third driving part 70 for elevating the movable block 30 and the cleaning arm 40 corresponding to the height of the filter plate; The cleaning arm 40 is disposed to face each other with the one filter plate 12 interposed therebetween, and one filter cloth 12a among the two filter cloths 12a and 12b disposed on the one filter plate 12. The first arm 401 having a first spray nozzle 405a for spraying the washing water toward the head) and the second spray nozzle 405b for spraying the washing water toward the other filter cloth 12b. Filter press having a cleaning device, characterized in that consisting of two arms (402). The method of claim 1, One side of the body 20 facing the filter plate 12 includes a positioning sensor 80 for detecting the position of the filter plate 12, And a control unit 90 for controlling the first, second and third driving units 50, 60 and 70 from the signal received through the positioning sensor 80. Filter press to be equipped. The method of claim 1, wherein the first driving unit 50, A rack 503 installed at an upper end or a lower end of the filter press and arranged in parallel with the guide rail 11a; The filter press having a cleaning device, characterized in that the first drive motor 501 is installed on the body 20 to rotate the pinion 502 coupled with the rack 503, forward and reverse. delete The method of claim 1, And a brush (406) in close contact with both of the filter cloths (12a) and (12b) of the filter plate (12). The method of claim 1, wherein the second driving unit 60, The filter press provided with the cleaning device, characterized in that the movement block 30 is installed, the second driving cylinder for drawing out the rod coupled with the cleaning arm (40). The method of claim 1, wherein the third driving unit 70, A movable pulley 702 and a driven pulley 703 installed at the top and bottom of the body 20; A power transmission member 704 connecting the movable pulley 702 and the driven pulley 703 and having the movable block 30 fixedly coupled to a portion thereof; Filter press having a cleaning device, characterized in that consisting of the third drive motor (701) for rotating the movable pulley (702) forward, reverse. The method of claim 1, A filter provided with a cleaning device, characterized in that the lower end of the frame 11 of the filter press comprises an opening and closing tray 19 for collecting and discharging the falling washing water during the cleaning operation through the cleaning device 2. Press.

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