KR20030015695A - A movable type apparatus for cleansing filter-bed in the filtration plant - Google Patents

Abstract

PURPOSE: Provided is a movable surface washing apparatus capable of evenly washing filter sand all over the filter membrane layers. CONSTITUTION: The movable surface washing apparatus comprises a transmission support(20) which is slidingly movable on guide rails installed at edge portions of a water purifying plant, wherein the transmission support(20) is equipped with a distributor(30), a pair of screws(32)(34) and a brush roller(36), and moves backward and forward along the guide rails by a motor and wherein the screws(32)(34) and the brush roller(36) rotates while the transmission support(20) moves, so that contaminants embedded in and clung to filter sand are removed.

Description

A portable type apparatus for cleansing filter-bed in the filtration plant

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a surface washer for cleaning filter paper of a water purification plant, and more particularly, to a mobile surface cleaner for a water purification plant capable of automatically cleaning contaminants adhered to a filter paper while moving along sidewalls of the water purification plant.

As shown in FIG. 1, the filter paper of a general water purification plant is provided with first, second, and third filtration layers 102, 104, and 106 having a smaller particle size from the bottom of the water purification plant 100, and the third filtration layer ( A plurality of drainage paths 108 are disposed in the longitudinal direction at a predetermined interval on the upper part of the upper part 106, and a drain hole 110 is formed at the end of the drainage path 108 to discharge water to the outside. In addition, a plurality of injection nozzles 112 are provided between the third filtration layer 106 and the drain passage 108.

The third filtration layer 106 is a fine-grained and light weight activated carbon filter sand, and if used for a long time, suspended solids are formed between the particles and the filtration efficiency is reduced, so the backwashing should be performed regularly.

Conventionally, when backwashing filter paper of a water purification plant, first adjust the water level of the water purification plant 100 by the height of the drainage path 108, and then spray water from the injection nozzle 112 to the third filtration layer 106. The foreign matter stuck to the separation / flotation is to be discharged to the outside through the drain (108).

The filter paper cleaning method of the existing water purification plant, the spray nozzle 112 is partially installed on the upper portion of the third filtration layer 106 can be evenly washed over the entire surface of the third filtration layer 106. It had no drawbacks. In addition, the third filtration layer 106 has a problem that the detained turbidity of the surface of the filter paper forms mud of the filter paper over time, which shortens the life of the filter yarn, and decreases the filtration efficiency of the water purification plant.

Accordingly, the present invention has been made in view of the above-described problems, and by washing the suspended substances held in the filtration layer over the whole part to improve the purified water production capacity of the filtrate, and to improve the filtration efficiency of the water purification plant. Its purpose is to provide a mobile surface cleaner.

In order to achieve the above object, the present invention, the feed roller and the roller gear is provided on the same axis as well as a plurality of power transmission gear is provided on the upper side of the roller gear and the feed rollers are respectively provided on the sidewall of the water purification plant A pair of transfer supports which are slidably moved along with each other, an injector having both ends connected to the transfer support and having a plurality of injection nozzles disposed in a lower portion thereof in a longitudinal direction, and disposed in front of the injector, A pair of screws rotatably supported and provided with screw gears at both ends and respectively rotated in opposite directions, disposed at the rear of the injector, rotatably supported by the transfer support, and brush gears at both ends, respectively. The brush roll body and the conveying support body are moved forward and backward and the screw and brush roll body are rotated. Drive means.

In addition, the present invention, a pair of transfer support and the pinion gear meshing with the power transmission gear and engaged with the rack installed on each side wall of the integer, and both ends of the transfer support is connected to the lower end along the longitudinal direction a plurality of An injector having an injection nozzle, a screw disposed at the front of the injector to be rotatably supported by the transport support, and having a screw gear at both ends thereof, and disposed at the rear of the injector so as to be rotatable to the transport support And a brush roll body supported and provided with brush gears at both ends, and driving means configured to rotate the screw and the brush roll body forward and backward.

According to the mobile surface washer of the water purification plant according to the present invention, while the conveying support moves forward and backward along the guide rail or rack via the driving means, the screw and the brush roll body mounted on each of the conveying support are rotated and suspended in the filter yarn. By breaking the material and at the same time washing water is sprayed from the spraying body, it is possible to clean the surface of the entire filter layer.

1 is a schematic view showing a filter paper of a general water purification plant,

2 is a schematic diagram of a mobile surface washer installed in a water purification plant according to a first embodiment of the present invention;

3 is a block diagram of a mobile surface cleaner according to a first embodiment of the present invention;

Figure 4 is a state in which the chain of the conveying support is connected in the first embodiment of the present invention,

5 is a view showing a driving state of the washing part of the transfer support in the first embodiment of the present invention,

(a) is a state diagram when the transfer support is advanced,

(b) is a state diagram when the conveying support is reversed,

6 is a schematic view of installing a mobile surface washer according to a second embodiment of the present invention in a water purification plant,

7 is a block diagram of a mobile surface cleaner according to a second embodiment of the present invention;

8 is a driving state of the washing portion of the transfer support in the second embodiment of the present invention,

9 is an operation state diagram of the washing unit according to a second embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

10: water purification plant 11, 12, 13: first, second, third filtration layer

14: drainage 15: drain

16: guide rail 20: transfer support

22,23: Feed roller 24,25: Roller gear

26,27,28: Power transmission gear 30: Injector

32,34: screw 33,35: screw gear

36: brush roll body 37: brush gear

38: motor 39: reducer

40: drive shaft 41: reduction gear

42: drive gear 43: drive chain

44: driven shaft 45: driven gear

46: power transmission chain 47,48,49: 1st, 2nd, 3rd connection chain

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

2 is a schematic diagram of a mobile surface cleaner according to a first embodiment of the present invention installed in a water purification plant, and FIG. 3 is a block diagram of a mobile surface cleaner according to a first embodiment of the present invention.

As shown in FIG. 2 and FIG. 3, the movable surface cleaner according to the first embodiment of the present invention is provided with a transport support 20 slidably movable on the guide rail 16 installed in the water purification plant 10. The conveying support 20 is equipped with an injection body 30, a pair of screws 32 and 34, and a brush roll body 36, and moves back and forth along the guide rail 16 through a driving means, and at the same time, the screws 32, 34 and the brush roll body 36 are rotated.

As shown in FIG. 2, the water purification plant 10 includes first, second, and third filtration layers 11, 12, and 13 having a smaller particle size from the bottom upward, and both sides of the water purification plant 10. Guide rails 16 are mounted on the wall in parallel.

3 and 4, the transfer support 20 is provided with a pair of feed rollers 22 and 23 to slide along the guide rail 16. In addition, the feed support 20 is provided with roller gears 24 and 25 on the same plane as the feed rollers 22 and 23, and a plurality of power transmission gears 26, 27 and 28 are rotatably installed. One power transmission gear 27 is disposed below the other power transmission gears 26 and 28. Here, the roller gears 24 and 25 and the power transmission gears 26, 27 and 28 are double gears provided with two gears connected in series on the same axis.

The injection body 30 is installed in the lower portion of the transfer support 20 is disposed in the horizontal direction of the water purification plant (10). As shown in Figure 5a 5b, the injection body 30 is to receive the washing water from one side, a plurality of injection nozzles (30a) is provided in the lower portion along the longitudinal direction. Therefore, the injection body 30 is to be supplied to the washing water is injected through the injection nozzle (30a) to wash the third filtration layer 13 of the water purification plant (10).

3 and 4, the screws 32 and 34 are rotatably supported by the transport support 20 via bearings, and are disposed at predetermined intervals in front of the injector 30. The screw tips 33 and 35 are provided in the front-end | tip, respectively. 5A and 5B, the screw 32 and 34 are formed with lead edges 32a and 34a along the circumferential surface, and the lead blades 32a and 34a are arranged in opposite directions to each other. . The screw 32 is such that the screw gear 33 is interlocked with the power transmission gear 26 disposed in front of the transfer support 20 via a chain. The screw 34 is such that the screw gear 35 is interlocked with the power transmission gear 27 disposed in the center of the transfer support 20 via a chain. Accordingly, the pair of screws 32 and 34 are rotated in opposite directions as the conveying support 20 moves by the driving means to invert the inside of the third filtration layer 13 shown in FIG. Breaking the suspended matter stuck in between will be separated.

3 and 4, the brush roll body 36 is disposed behind the spraying body 30 while being rotatably supported via a bearing to the transfer support 20, and brush gears at each of the front ends thereof. (37) is provided. 5A and 5B, the brush roll body 36 is planted with an elastic brush 36a along the circumferential surface, and the brush gear 37 is attached to the back of the transfer support 20 via a chain. It is adapted to interlock with the arranged power transmission gear 28. Accordingly, the brush roll body 36 rotates as the conveying support 20 moves by the driving means to planarize the upper portion of the third filtration layer 13.

Meanwhile, as shown in FIGS. 3 and 4, the driving means is connected to the reduction gear 39 connected to the motor 38 via a driving chain 43 and has a reduction gear 41 and a pair of driving gears ( A drive shaft 40 provided with 42, a driven shaft 45 provided in parallel with the drive shaft 40 and provided with a pair of driven gears 45 opposite the drive gear 42, and the drive gear ( 42), a pair of power transmission chains 46 connecting the power transmission gears 26, 27, 28, and driven gears 45, the power transmission gears 26, roller gears 24, and screw gears. (33) a first connecting chain 47 connecting each, a second connecting chain 48 connecting the power transmission gear 27 and a screw gear 35, and the power transmission gear 28 and a roller. It is comprised by the 3rd connection chain 49 which connects the gear 25 and the brush gear 37, respectively.

The drive shaft 40 and the driven shaft 44 are installed at the front and rear of the water purification plant 10 to transmit power to the transfer support 20. The drive shaft 40 is a reduction gear 41 is connected to the gear of the reducer 39 via the drive chain 43 so as to rotate slowly. The power transmission chain 46 connects the drive gear 42 of the drive shaft 40 and the driven gear 45 of the driven shaft 44, respectively, to the power transmission gears 26, 27, 28 of the transfer support 20. Is connected to serve to move the transport support (20). The first connection chain 47 connects each of the power transmission gear 26, the roller gear 24, and the screw gear 38 to rotate the screw 32 disposed in front of the injector 30. Play a role. The second connection chain 48 connects the power transmission gear 27 and the screw gear 35 to rotate the screw 34 disposed at the rear side with respect to the injection body 30. The third connection chain 49 connects the power transmission gear 28, the roller gear 25, and the brush gear 37 to serve to rotate the brush roll body 36.

As shown in FIG. 5B, when the motor 38 rotates forward, the drive shaft 40 is decelerated and rotated via the reducer 39, and the power transmission chain is driven by the drive gear 42 of the rotating drive shaft 40. The driven gears 45 of the driven shaft 44 and the power transmission gears 26, 27, 28 of the transfer support 20 are rotated in the clockwise direction, respectively, and the power transmission gears 26, 46, respectively. 28, the feed rollers 22, 23 rotate clockwise along the guide rail 16 while the roller gears 24, 25 rotate clockwise through the first and third connection chains 47, 49. The transfer support 20 is advanced. At the same time, the screw gear 33 and the brush gear 37 connected to the power transmission gears 26 and 28 via the first and third connection chains 47 and 49 are rotated to rotate the screw 32 and the brush roll body 36. Is rotated in the clockwise direction, while the screw gear 35 connected to the power transmission gear 27 via the second connection chain 48 is rotated in reverse to rotate the screw 34 counterclockwise. On the other hand, when the motor 38 rotates in the reverse direction, the feed support 20 moves backward along the guide rails 16, and the screw 32 and the brush roll body 36 rotate counterclockwise. Rotation, the screw 34 is rotated clockwise.

6 is a schematic diagram of a mobile surface cleaner according to a second embodiment of the present invention installed in a water purification plant, and FIG. 7 is a block diagram of a mobile surface cleaner according to a second embodiment of the present invention.

As shown in FIGS. 6 and 7, the filter paper moving surface cleaner according to the second embodiment of the present invention includes a transfer support 70 having pinion gears 72 and 74 in the rack 66 installed in the water purification plant 60. ) Are coupled to each other, and the conveying support 70 is equipped with a spraying body 80, a screw 82, a brush roll body 84, and moved back and forth through the driving means, the brush roll body 84 of the screw 82 Is supposed to rotate.

As shown in FIG. 6, the water purification plant 60 includes first, second, and third filtration layers 61, 62, and 63 having a smaller particle size from the bottom to the upper side, and both sides of the water purification plant 10. The rack 66 is installed in parallel with the wall.

As shown in FIG. 7, the transfer support 70 is provided with a pair of pinion gears 72 and 74 and engaged with the rack 66. Here, the pinion gears 72 and 74 are double gears provided with two gears connected in series on the same axis. In addition, the transfer support 70 is provided with power transmission gears 76 and 78 meshed with the pinion gears 72 and 74, respectively.

As shown in FIGS. 7 and 8, the injector 80 is disposed below the transfer support 70 and disposed in the horizontal direction of the water purification plant 60. Injecting body 80 is to receive the washing water from one side, a plurality of injection nozzles (80a) is provided in the lower portion along the longitudinal direction. Therefore, the spraying body 80 is sprayed through the spray nozzle 80a to be supplied to wash the third filtration layer 63 of the water purification plant 60.

As shown in FIGS. 7 and 8, the screw 82 has a lead blade 82a formed along a circumferential surface thereof, and the spraying body 80 is rotatably supported through a bearing to the transfer support 70. It is arrange | positioned in front of and has the screw gear 83 in each front-end | tip. Here, the screw gear 83 of the screw 82 is engaged with the power transmission gear 76 is engaged. Accordingly, the screw 82 is rotated as the transfer support 70 moves by the driving means, thereby overturning the inside of the third filtration layer 63 to break and separate the suspended material stuck between the filtration yarns.

As shown in FIGS. 7 and 8, the brush roll 84 has an elastic brush 84a planted along a circumferential surface thereof, and the spraying body is rotatably supported by a bearing on the transfer support 70. (80) It is arrange | positioned at the back, and the brush gear 85 is provided in each front end. Here, the brush gear 85 of the brush roll body 84 is engaged with the power transmission gear 78 and engaged. Therefore, the brush roll body 84 is to be rotated in accordance with the movement of the transfer support 70 by the drive means to planarize the upper portion of the third filter layer (63).

On the other hand, the drive means is a drive shaft 90 is connected to the reduction gear 88 connected to the motor 86 via a drive chain 93, the drive shaft 90 is provided with a reduction gear 91 and a pair of drive drum 91, the drive shaft A drive shaft 93 mounted parallel to the drive shaft 90 and provided with a pair of driven drums 94 opposed to the drive drum 92 and across the drive drum 92 and the driven drum 94; Both ends are composed of belts 95 fixed to each of the front ends of the transfer support 70.

As shown in FIGS. 7 to 9, when the motor 86 rotates forward, the drive shaft 90 decelerates and rotates via the reduction gear 88, and the belt 95 is attached to the drive gear 92 of the rotating drive shaft 90. ), The driven drum 94 of the driven shaft 93 is rotated. At this time, the conveying support 70 to which the belt 95 is connected is reversed as the pinion gears 72 and 74 mesh with the rack 66. Then, the screw gear 83 and the brush gear 85 are rotated through the power transmission gears 76 and 78 engaged with the pinion gears 72 and 74 so that the screw 82 and the brush roll body 84 rotate. do.

According to the mobile surface washer of the water purification plant according to the present invention as described above, when the transfer support is moved forward and backward along the side wall of the water purification plant, the spraying body, screw, brush roll body installed on each of the transfer support is fixed to the filter yarn By breaking and cleaning the foreign matter, it is possible to clean the entire area of the filter layer in a short time. In addition, since the mobile surface cleaner of the present invention can clean the filter layer, the backwashing efficiency of the filter paper can be improved and the refilling cost of the filter company can be reduced, and the water purification capacity of the water purification plant can be improved.

Claims (4)

Feed rollers 22 and 23 and roller gears 24 and 25 are provided on the same axis, and a plurality of power transmission gears 26, 27 and 28 are provided above the roller gears 24 and 25. A pair of transfer supports 20 in which the feed rollers 22 are slidably moved along the guide rails 16 respectively provided on the side walls of the water purification plant 10; An injection body 30 having both ends connected to the transfer support 20 and having a plurality of injection nozzles 30a disposed at a lower portion thereof in a longitudinal direction thereof; A pair of screws 32 disposed in front of the injector 30 so as to be rotatably supported by the transfer support 20 and provided with screw gears 33 and 35 at both ends, respectively, and to rotate in opposite directions. , 34); A brush roll body 36 disposed on the rear side of the injector 30 and rotatably supported by the transfer support 20 and provided with brush gears 37 at both ends thereof; And Drive means for advancing and retracting the transfer support 20 and rotating the screws 32 and 34 and the brush roll body 36; Mobile surface cleaner of water treatment plant including. The method of claim 1, The drive means includes a drive shaft 40 connected to a reduction gear 39 connected to a motor 38 via a drive chain 43 and provided with a reduction gear 41 and a pair of drive gears 42, and the drive shaft. A driven shaft 45 provided in parallel with the drive shaft 40 and provided with a pair of driven gears 45 facing the drive gear 42; the drive gear 42; and a power transmission gear 26, 27, 28; ), A pair of power transmission chains 46 connecting each of the driven gears 45, and a first connection chain connecting each of the power transmission gears 26, roller gears 24, and screw gears 33, respectively. 47), a second connecting chain 48 connecting the power transmission gear 27 and the screw gear 35, and the power transmission gear 28, the roller gear 25, and the brush gear 37, respectively. Mobile surface cleaner of a water purification plant, characterized in that consisting of a third connecting chain (49) for connecting. A pair of transfer supports 70 engaged with the pinion gears 72 and 74 with the power transmission gears 76 and 78 and with the racks 66 installed on the side walls of the water purification plant 60; An injector 80 having both end portions connected to a lower portion of the transfer support 70 and having a plurality of injection nozzles 80a disposed in a lower portion thereof in a longitudinal direction; A screw 82 disposed in front of the injector 80 and rotatably supported by the transfer support 70 and provided with screw gears 83 at both ends; A brush roll body 84 disposed at the rear of the injector 80 and rotatably supported by the transfer support 70 and provided with brush gears 85 at both ends; And Drive means configured to advance and retract the transfer support 70 and to rotate the screw 82 and the brush roll body 84; Mobile surface cleaner of water treatment plant including. The method of claim 3, wherein The drive means is a drive shaft 90 is connected to the reduction gear 88 connected to the motor 86 via a drive chain 93, the drive shaft 90 is provided with a reduction gear 91 and a pair of drive drum 92, the drive shaft ( 90, which is installed parallel to the driving drum 92 and is provided with a pair of driven drums 94 opposite the driving drum 92, and spans both ends of the driving drum 92 and the driven drum 94; Mobile surface washing machine of the water purification plant, characterized in that consisting of a belt (95) fixed to each of the front end of the transfer support (70).