KR20040054925A - Cylindrical water filtering system having surface cleaning device with impeller and nozzle for sand - Google Patents

Abstract

PURPOSE: Provided is a cylindrical filtering system having an impeller-type surface washing device which continuously perform a filtration without cutting-off inflow of raw water and removes, washes and collects mud field piled up on a filtering sand layer. CONSTITUTION: The cylindrical filtering system comprises a double-tube type water-collecting column(100) where raw water is flown, a cylindrical filtering tank(200) where the water-collecting column is placed on a shaft center, at least one of cylindrical unit is layered and welded and a filtering sand layer is equipped at the inner part and an impeller-type surface washing device(300) rotating a nozzle and impellers(390,391,392) by a rotating motor on the inner part of the filtering tank, wherein the filtering process is continuously performed without intermitting the inflow of the raw water without special reasons, the mud field piled up on the filtering sand layer is periodically separated, washed and floated by washing water sprayed from the nozzle and the floated mud field is removed by the impellers.

Description

Cylindrical filtration system with impeller type surface cleaning device {CYLINDRICAL WATER FILTERING SYSTEM HAVING SURFACE CLEANING DEVICE WITH IMPELLER AND NOZZLE FOR SAND}

The present invention relates to a cylindrical filtration system having an impeller-type surface cleaning device, and in particular, a filter paper for water and sewage having a cylindrical wall structure made of stainless steel, and its filtration method is close to a downward flow method, a gravity method, and a slow filtration method. Impeller-type surface cleaning that can efficiently process large volumes of filtered water, such as rapid filtration, by efficiently removing, washing, and collecting mud bee caught in purified filtration sand layers without interruption of raw water inflow. A cylindrical filtration system with a device.

In general, drinking water is prepared by applying physical and chemical treatments such as natural water (groundwater in rock aquifers, spring water, etc.) that is not harmful to life, even if it is consumed for a lifetime. Spring water and water resources (water sources, dams, valleys, rivers, etc.) can be classified as drinking water for drinking water.

In particular, tap water, which most of the people drink economically for a lifetime, is directly related to public health. Therefore, water and sewage treatment facilities are thoroughly managing water quality.

The general water and sewage treatment facility means a filtration plant, which is called a clarification plant, a chemical injection facility, a mixed pond, a flocculant, a sedimentation basin, a filter paper, an advanced water treatment facility, a clear wall, a water pump, and a drainage basin. consist of.

Here, the filter paper is a facility for removing suspended solids from the raw water or pretreated water (suspension) through a porous filtrate formed by a filter medium such as sand and anthracite. Effectively removes particles The filtration method used in such filter paper is a slow sand method and a fast sand method depending on the diameter of the filter yarn, and the performance and capacity of the filter paper are determined by the filtration rate of water treatment per day.

For example, in the case of slow filtration, the filtration rate is about 3 to 5 m / day, and in the case of rapid filtration, it is about 100 to 150 m / day. In addition, in the case of using anthracite, which is a filter material for removing turbidity using coal as a raw material instead of simple sand, the filtration speed may be increased to about 300 m / day.

However, if the filter medium (sand, anthracite) used for a predetermined time is not necessarily washed as described below, suspended solids accumulate or mud bee is formed during filtration, thereby degrading the performance of the filter paper, decreasing the water supply capacity, and maintaining the filter paper. Cause problems.

Therefore, in order to solve this problem, the filter paper facility is provided with a surface filter for filter paper for mud bee removal and cleaning.

Surface filter for general filter paper is disclosed in the Republic of Korea Patent No. 10-254022, consisting of a rotating body, the injection pipe, and the Y-type high-speed rotary nozzle, the Y-type high-speed rotary nozzle is the main body and two Y-shaped tube formed of a branch pipe, a bush-type binding screw screwing a nozzle to a spray pipe, and enclosing the main pipe, a high-speed rotary wing coupled to the end of the branch pipe, and having a cross section, and the cylinder of the main pipe It consists of a rotating diaphragm provided so as to have a helix angle in the rotational direction of the nozzle therein, so that it is rotated at a high speed by a constant water pressure of inflow water.

However, this patented technology has the disadvantage that the water pressure does not reach the corner of the filter tank, but it is very difficult to extend the length of the main building to distribute the water more than a certain length because it uses the inlet water pressure. After multiple installation is inevitable.

In addition, the above-mentioned patented technology simply uses the principle of separating and washing the filtrate and the mud bee by the water pressure of water sprayed through the Y-type high-speed rotary nozzle, so that the means for removing the separated and washed mud bee to the outside of the filtration tank is provided. There was no inconvenience, requiring a separate manual cleaning.

Furthermore, the patented technology prevents water from being supplied to the filtration tank and at the same time allows the filtration company to be cleaned after draining all the water remaining in the filtration tank, so that the filtration process must be stopped throughout the cleaning operation. It has the disadvantage of having a great negative effect on the

This problem is similarly occurring in the prior art backwashing filter paper which does not have a surface washing machine for filter paper.

In the conventional backwash filter paper, as illustrated in FIGS. 1A and 1B, the filter tank 10 is formed on both sides by reinforced concrete walls 11a and 11b, and the filter area 14 in which the filter medium layer 13 is formed. ) And a lower collecting chamber 15 at the lower portion thereof.

Raw water inlet 17 and raw water inlet ware 18 are formed at one side of the filtration tank 10, and an inlet valve is installed between the raw water inlet 17 and the raw water inlet ware 18, and the filtration tank 10. The raw water divider 26 which distributes raw water is formed in the side wall part of the filter.

In the middle of the filtration tank 10, a water purifier 20 is provided at a lower portion between both inner walls 11a, and a backwash water retreat tank 24 is formed at an upper part of the water purifier 20, and a water purifier 20 The inner wall 11a of the () is provided with a purified water outlet 21 and an air communication hole 22.

In the lower part of the raw water inlet 17 is provided on one side of the filtration tank 10 is formed with a discharge effluent 23, the discharge valve 25 is coupled between the discharge effluent 23 and the backwash water discharge effluent 24 have.

The base beam 12 is formed integrally with the walls 11a and 11b at regular intervals in the lower portion of the filtration tank 10, and a plurality of filtration blocks 30 are coupled to the base beam 12.

Such a conventional filter paper is inflowed evenly by the filter paper which is operated in parallel through the raw water inlet 17, and this raw water is supplied to the filtration area 14 of the filtration tank 10 through the raw water distributor 26. It flows into the upper layer of the filter medium layer 13 laminated | stacked on.

The introduced raw water passes through the filter material layer 13 in which filter sand (sand, anthracite), filter sand, and filter gravel are stacked, and is mainly purified by removing suspended substances. The filtered water is filtered at the bottom of the filter tank 10. It enters the lower collection chamber 15 and is collected by the water purification unit 20 through the water purification outlet 21 and then discharged into the sump.

As this filtering action is repeated, the filtration power of the filter medium layer 13 drops and the filtration is stopped and the washing is performed. Since such washing has a great effect on the filtration power, an equal and effective washing should be performed throughout the filtration tank 10.

When backwashing the filter medium layer 13 and supplying backwash air to the water purifier 20 by an air supply means (not shown), both filtration tanks 10 are provided through a plurality of air communication holes 22. It flows into the lower collection chamber 15 of and is raised above the filter medium layer 13. Then, the suspended matter attached to the filter sand of the filter medium layer 13 is dropped by the microscopic shaking of the bubbles rising upward. Then, when the backwash water is supplied, the suspended matter separated from the filter sand together with the backwash water is discharged to the backwash water. It flows into and discharges to the next collection path through the discharge valve 25 and the discharge vessel 23.

In such a filter paper, the filtration block 30 installed on the base beam 12 of the filtration tank 10 should be kept horizontally uniform throughout, and the gap between each filtration block 30 should be completely blocked. In this way, the horizontality and airtightness of the filtration block 30 should be maintained so that water and air supplied through the lower collection chamber 15 rise uniformly over the front surface of the filtration tank 10 during backwashing so that the backwashing is uniform. Is done.

However, the conventional filter paper, as mentioned above, stops the inflow of raw water at regular intervals and stops the washing (backwashing) as described above, so that continuous filtration cannot be performed, and thus the filtrate yield is relatively high. There is a disadvantage of being less.

In addition, the conventional filter paper is difficult to install the lower collection chamber having a complicated structure, and even a skilled worker requires a very fine and sophisticated work, it is difficult to install and maintain the maintenance frequently.

In addition, since the conventional filter paper is built in the ground by the existing concrete method, the construction cost is relatively unsanitary compared to the enormous one, and due to the characteristics of the material, there is a fear of water pollution due to the separation of the coating film adhered to the concrete surface for a long time. have.

Accordingly, the present invention is to solve the above-mentioned problems, the object of the present invention is a double-pipe type water collecting tower that performs simultaneous intake and discharge, a large-capacity cylindrical filter tank made of stainless steel excellent in workability, and submerged form It consists of an impeller surface washing device with an impeller rotating in the furnace and a nozzle, so that the filtration can be continuously performed without blocking the inflow of raw water, and the mud bee is removed from the four layers of the filter at regular intervals. The present invention provides a cylindrical filtration system having an impeller-type surface cleaning device capable of efficiently performing washing, collecting and collecting.

Another object of the present invention is the manufacturing and installation of the system equipment by the laminated manufacturing method of the cylindrical unit can be made in a short time and can be used semi-permanently due to the stainless material is economical, it is installed on the ground, easy to maintain and repair the impeller To provide a cylindrical filtration system having a surface cleaning device.

Figure 1a is a cross-sectional view for explaining the internal configuration of a conventional filter paper,

1B is a longitudinal sectional view taken along the line A-A 'of the filter paper shown in FIG. 1A;

Figure 2 is a perspective view for explaining the configuration of a cylindrical filtration system having an impeller-type surface cleaning device according to an embodiment of the present invention,

3 is an exploded perspective view for explaining the configuration of the double-pipe type collection tower shown in FIG.

4 is a partial perspective view showing a cut portion along a cutting line B-B 'to explain the coupling relationship of the water collecting tower shown in FIG.

5 is a perspective view for explaining the cylindrical filtration tank shown in FIG.

6 is an exploded perspective view for explaining the configuration of the impeller-type surface cleaning device shown in FIG.

7 is a cross-sectional view for explaining the coupling relationship of the impeller-type surface cleaning device shown in FIG.

Figure 8 is a cross-sectional view for explaining the operation of the cylindrical filtration system having an impeller-type surface cleaning device of the present invention.

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

100: collecting tower 110: intake pipe

120: collecting chamber 130: tank bottom plate

140: supporting structure 141, 142: triangular plate member

150: filter plate 160: body tube

161: top plate 170: discharge pipe

180: outlet pipe 200: cylindrical filtration tank

210: cylindrical unit 250: filtered four layers

290: drainage 291: drainage pipe

300: impeller type surface cleaning device 310: ring type support

320: reserver 323: radial branch pipe

324: downward extension pipe 330: rotating motor

340: motor cover 350: rotary joint

351: internal extension pipe 360: support wire structure

380: nozzles 390, 391, 392, 393: impeller

The object of the present invention as described above is made of a material resistant to corrosion, durability, and impact, such as stainless steel and duplex steel, in a cylindrical filtration system having an impeller-type surface cleaning device for water purification facilities for treating raw water with filtered water. A double-pipe type collection tower, such a collection tower is arranged at the center of the shaft, at least one cylindrical unit is laminated and welded, and a cylindrical filtration tank having four layers of filtration inside, and a nozzle and an impeller inside the filtration tank are collected. Impeller-type surface cleaning device that rotates with a rotating motor coupled to the upper part of the water tower, and the washing water sprayed from the nozzle is periodically accumulated in the filtration sand layer while continuously performing the filtration process without interrupting the inflow of raw water for no particular reason. The mud bee is separated and washed to float, and the impeller floats the mud bee. It is achieved by a cylindrical filtration system with an impeller-type surface cleaning device characterized in that it is removed externally.

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

2 is a perspective view for explaining the external configuration of a cylindrical filtration system having an impeller-type surface cleaning device. In addition, Figure 3 is an exploded perspective view for explaining the configuration of the double-pipe collection tower shown in Figure 2, Figure 4 is along the cutting line B-B 'to explain the coupling relationship of the collection tower shown in Figure 3 It is a partial perspective view in which a predetermined site is incised. In addition, Figure 5 is a perspective view for explaining the cylindrical filtration tank shown in Figure 2, Figure 6 is an exploded perspective view for explaining the configuration of the impeller-type surface cleaning device shown in FIG. And, Figure 7 is a cross-sectional view for explaining the coupling relationship of the impeller-type surface cleaning device shown in Figure 6, Figure 8 is a cross-sectional view for explaining the operation method of the cylindrical filtration system having an impeller-type surface cleaning device of the present invention. to be.

As shown in Figure 2, the system of the present invention is one of the water purification plant facilities for filtering the water resources such as water source, river or valley water secured in the water source, dam, stainless cylinder of the new concept not found in the existing water purification plant It is a technology applying the storage tank structure.

Basically, most of the system of the present invention is a plate member such as 'STS444', 'DUPLEX2205, 2206', which has high corrosion resistance, durability and impact resistance, such as stainless steel and duplex steel, and 'KS D 3595', 'KS D 3576', etc. It consists of a water collecting tower 100 and a cylindrical filtration tank 200 and an impeller-type surface cleaning device 300 disposed on the shaft in a double tube type using a pipe member of the.

In the system of the present invention, since the water has a relatively high water level, the raw water having a pressure head of a predetermined height is introduced into the water collecting tower 100 through the inlet pipe 110 located below, and then moved to the upper portion of the water collecting tower 100. After that, the water is introduced into the filtration tank 200 through at least one discharge pipe 170, and after passing through the filtration four layers inside the filtration tank, gathered in the water tank bottom plate 130 and the water collecting chamber 120, and then into the water discharge pipe 180. A series of exiting filtration steps is performed continuously. Here, the pressure head refers to the height of the column of water that a certain size of pressure can push up.

The impeller-type surface cleaning device 300 rotates at predetermined intervals while performing the filtration process in which the inflow and outflow continue.

At this time, the washing water discharged from the nozzle of the rotating surface washing apparatus 300 and having a water pressure of a predetermined size removes and washes the mud bee deposited in the filtrate, and floats in the water in the form of turbid water together with the washed mud bee. do. In addition, the rising washing water (turbid water, effluent) flows toward the effluent tank 290 by the impellers 390, 391, and 392 of the surface washing apparatus 300 which is rotating, and is discharged to the outside through the effluent pipe 291. .

The system of the present invention is not installed in the ground but is installed on the ground. For this purpose, a concrete support structure or a pipe support structure 40 indicated by dotted lines may be additionally used.

In addition, the system of the present invention, the power supply to the rotational motor of the impeller-type surface cleaning device 300 and the additional facilities (not shown), such as guide rails and worker support on the upper edge portion of the filtration tank 200 at a predetermined time interval A surface washer drive control unit (not shown) is provided that can be supplied to operate at a constant timing.

Hereinafter, the detailed configuration and coupling relationship of the system devices of the present invention will be described.

As shown in FIG. 3, the double tube type water collecting tower 100 includes an inlet pipe 110, a collecting chamber 120, a water tank bottom plate 130, a support structure 140, a filter plate 150, and a body pipe ( 160 and the discharge pipe 170 and the water discharge pipe (180).

The inlet pipe 110 serves to receive the raw water to be filtered as piped with the outlet pipe of the sedimentation basin of the water purification plant, and has a '-' shape. At this time, since the raw water has a pressure head corresponding to the height of the body tube 160 may be up to the upper portion of the body tube 160.

The collection chamber 120 is provided with a lower plumbing hole 121 corresponding to the upper opening of the water inlet pipe 110 and an upper plumbing hole 123 corresponding to the lower opening of the water tank bottom plate 130, respectively. ) To a cylindrical box structure having a larger outer diameter than the following body tube 160, the connection hole 128 and the bolt fastening hole is formed so that the outlet pipe 180 can be piped in the radial direction.

In particular, the flange 122 is formed around the pipe hole 123 of the water collecting chamber 120 to be coupled while supporting the tank bottom plate 130. The flange portion 122 couples the collection chamber 120 to the water tank bottom plate 130 by joining means such as welding and bolting.

The tank bottom plate 130 is formed as a cone shape so that water can be collected toward the lower collection chamber 120.

The supporting structure 140 is a structure for horizontally supporting the filter plate 150 with respect to the cone-shaped tank bottom plate 130, and each right triangle plate member having an arcuate hole 143 to allow water to flow in the thickness direction. 141 and 142 are arranged to maintain a predetermined interval in the circumferential direction.

The filter plate 150 is a plate-shaped plate that can prevent the filtered sand, the filter sacks, the filter gravel, and the like from entering the collection chamber 120 and allow the filtered water to escape, and the upper outer diameter of the tank bottom plate 130. It has a diameter of about the middle of the lower inner diameter and the center hole 151 corresponding to the body tube 160 is formed.

Body tube 160 is a tube shape, the lower opening is assembled by welding or screwing on the upper opening of the inlet pipe 110, and has a diameter slightly smaller than the lower inner diameter 131 of the tank bottom plate 130. The filtered water is introduced into the collection chamber 120. Particularly, the upper portion of the body tube 160 is sealed by the upper plate 161, and the upper surface of the upper plate 161 is the surface cleaning device 300. It is formed to serve as a turntable support plate for supporting the rotatable.

Discharge pipe 170 is a kind of 'b' shaped guide pipe, arranged in a plurality, such as a sunflower shape on the circumferential surface around the top of the body pipe 160, each of which can discharge the water while maintaining a certain distance from each other Piping

The outlet pipe 180 plays a role of releasing the filtered water collected in the collection chamber 120 to the outside.

The double tube type collection tower 100 also serves as a central axis for supporting the impeller-type surface cleaning device 300 in the upper portion.

As the right portion is cut along the cutting line B-B 'of FIG. 4, the double column type collecting tower 100 is coupled to the aforementioned components.

Water outlet pipe 180 is piped through the circumferential surface of the collecting chamber 120, the inlet pipe 110 is piped to the lower portion of the collecting chamber 120, the upper portion of the collecting chamber 120 is the tank bottom plate 130 It is welded to the edge portion of the lower inner diameter (131) of. At this time, the upper portion of the water inlet pipe 110 is fastened to the body tube 160 inside the collection chamber 120. Subsequently, the supporting structure 140 composed of a plurality of right angle triangular plate members is welded to the inner surface of the tank bottom plate 130 and the outer circumferential surface of the body tube 160, respectively. Accordingly, the load of the entire cylindrical filtration system is transferred to the concrete support structure or pipe-shaped support structure (not shown) to be placed on the tank bottom plate 130 immediately below the support structure 140 and supported on the ground.

On the other hand, the upper portion of the support structure 140, the filter plate 150 is welded, the outer edge of the filter plate 150 is fixed to the inner surface of the water tank bottom plate 130 by welding, and the inner diameter side of the filter plate 150 The rim is fixed to the outer circumferential surface of the body tube 160 by welding.

Here, the raw water can flow in the same flow direction as the arrow indicated for each part.

As shown in FIG. 5, the cylindrical filtration tank 200 is disposed at the edge of the tank bottom plate so that the water collecting tower 100 is located at the shaft center.

Herein, the upper plate 161 of the water collecting tower 100 will be described in detail, and the upper plate 161 may serve as a turntable support plate for rotatably supporting the surface washing apparatus. An axial center protrusion 164 having a gear groove 165 for fixing the rotating shaft of the rotating motor is integrally formed, and a ring-shaped seating groove having a rectangular cross section at an intermediate portion of the axial center protrusion 164 and the outer edge protrusion 162. 163 is formed. The ring-shaped support 310 is seated in the ring-shaped seating groove 162.

The ring-shaped support 310 serves to support the load while smoothly inducing the rotation of the surface cleaning device, and is formed in a ring shape having a 'T' cross section, and is fixed in a plurality of vertically on its outer circumferential surface. It has at least one or more rotating shafts 311 protruding while maintaining a spacing. Satellite wheels 312 and 313 having bearings are rotatably coupled to the plurality of rotation shafts 311, respectively.

On the other hand, the filtration tank 200 is manufactured by a manufacturing method of laminating and welding the cylindrical units 210 made of a flange shape by bending the upper end 211 and the lower end 212. Such methods include, for example, 2001, 237585, 2001, 246330, and 2002, both of which were filed together with a patent application, including, for example, Utility Model Registration No. 199042 in 2000, where the applicant received a technical evaluation maintenance decision. It is easily found in No. 271280. The laminated and welded cylindrical units 210 are each wrapped with a heat insulator 220 and are finished with a thin plate 230.

In the upper outer circumferential portion of the filtration tank 200, a rectangular or semi-circular section of the drainage gutter or a cone-shaped discharge bin 290 having an upper opening is fixed by welding, and a discharge pipe 291 is provided at the bottom of the discharge tank 290. ) Is piped through.

As shown in Figure 6 and 7, the impeller-type surface cleaning device 300 is a high pressure washing water while rotating in the rotation direction (c) from the top of the ring-shaped support 310 placed on the top plate 161 of the water collecting tower 100 After discharging and washing the mud bee in the four layers of filtration, the rising mud bee and turbid water, which is the washing water, are flown toward the discharge pipe by impellers 390, 391, 392, and 393 which rotate simultaneously with the surface cleaning device 300. It is responsible for removing it.

To this end, a right angled tubular reserver 320 is provided which is supported while rotating on the satellite wheel 313 via the ring support 310.

The rectangular tubular reserver 320 receives the total load of the surface cleaning device 300 from the ring support 310 at the time of stopping or rotating.

Here, the washing water is sequentially ㉮ washing water supply pipe 370, 통상 conventional rotary joint 350, ㉰ inner extension pipe 351, ㉱ pipe connection 321, ㉲ cross-shaped made to enable water supply during its own rotation To radial branch tubes 323, 적어도 at least one downward extension tube 324, and ㉴ nozzle 380, respectively.

Accordingly, the right angle tubular reserver 320 distributes the washing water introduced into the nozzle 380 and serves to discharge the washing water at a predetermined water pressure from the nozzle 380.

For example, each of the radial branch pipes 323 is piped so that six to twelve downwardly extending pipes 324 extend by a length h at which the nozzle 380 is disposed close to the top of the four layers of filtration. In addition, at each radial branch pipe 323, one end of the impeller 390 to 393, whose blade angle is twisted, is welded to the outer surface of the pipe opposite to the direction of rotation c to push water outward of the shaft center. And the other end extends downward to be submerged in water.

Here, the impellers (390 to 393) is to push the water out of the radius of the rotation radius by the twisted wing angle, but through the wing structure change design to form a plurality of through holes (not shown), the resistance of the water It can be designed to push water efficiently while minimizing the

The motor cover 340 has a cap shape with an open lower portion, serves to protect the rotation motor 330 from moisture, and is attached with a conventional rotary electrode (not shown). Here, the rotary electrode is electrically connected to the electric wire connected to the electrode of the rotation motor 330, and is electrically connected to the external surface washing device drive control unit.

The support wire structure 360 consists of one or more wire-like supports 362 and length adjusters 363 connected to the circumferential hoop 361. At this time, the hoop 361 is welded to the radial branch pipe 323, respectively, and the other end of the wire support 362 fixed radially to the hoop 361 is fixed to the motor cover 340.

This support wire structure 360 is a bending force by the weight of the radial branch pipe 323 and the impeller 390, 391, 392, 393, and the friction force between the impeller 390, 391, 392, 393 and water Used as a reinforcing means to minimize bending deformation.

In particular, the support wire structure 360 may operate the length adjuster 363 to adjust the level of the radial branch tube 323 or to adjust the tension applied to the wire support 362 as necessary.

The main body of the rotating motor 330 is coupled to the fixture 322 of the rectangular tubular reserver 320 so as to be disassembled and assembled.

At this time, the rotation motor 330 may be supplied with the operation control power from the external surface cleaning device driving control unit through the rotary electrode, the rotary shaft 331 of the axis of the reserver 320. In addition, the connecting gear 332 is coupled to the rotating shaft 331 of the motor, and the connecting gear 332 is fixed to the gear groove 165 of the water collecting tower 100.

Accordingly, the main body of the rotational motor 330 and the right angle tubular reserver 320 axially rotate in the rotation direction c opposite to the direction in which the rotational force is applied, and consequently, the impellers 390 to 393 and the nozzle 380. It rotates in the rotation direction c as turning about this axis.

In particular, Figure 7 is a cross-sectional view showing a coupling relationship of the impeller-type surface cleaning device 300 described above, and shows the state mounted on the water collecting tower 100 and the internal components not described.

As described above, the tubular reserver 320 is a hub that rotates while receiving a load of a fixed branch pipe 323, such as a nozzle, an impeller, and a support wire, so that a very large torque acts as a main part. It requires durability and tight mechanical construction.

In particular, the rectangular tubular reserver 320 may further include a circular tray 329 having a relatively thick thickness and a rotation support 328 having a bearing in the center of the circular tray 329.

In addition, the support bracket 327 is further attached to the upper and lower portions of the portion where the branch pipe 323 is piped to support the branch pipe 323.

The rotary joint part 350 is rotatable and has a ring-shaped sealing means 352 and a bearing 353 so that washing water can be supplied from the washing water supply pipe 370 to the inner extension pipe 351, and a casing that can be disassembled and assembled ( 354).

In particular, the wash water supply pipe 370 is supported by a predetermined fixed structure 371 around the filtration system of the present invention, whereby the impeller-type surface cleaning device 300 is fixed in rotation. In addition, at a predetermined position of the washing water supply pipe 370, an electromagnetic valve (not shown) capable of supplying and intermitting the washing water is piped.

Hereinafter, the overall operating method of the cylindrical filtration system having an impeller-type surface cleaning device of the present invention will be described.

Prior to the description of the filtration process, the surface washer drive control unit provided in the present invention, by a conventional control circuit method, a power supply control module having a timer to largely connect and short-circuit the power supply to the rotating motor, supply of washing water and It consists of a valve control module for controlling shutoff and a pump control module for controlling water pressure.

The power supply control module is electrically connected to the rotational motor 330 through the rotary electrode and the electric wire, and the valve control module is electrically connected to the solenoid valve of the washing water supply pipe 370. Also, the pump control module is shown. It is not connected but is electrically connected to the compression motor of the pump which raises the pressure of the washing water.

The filtration process according to the present invention is as follows.

① Turn on the power of the surface cleaning device drive control unit.

(2) The raw water of the outside (precipitator) having a preferable pressure head due to the relative height difference or the predetermined external pressure is introduced through the inlet pipe 110 (W / I).

③ The introduced raw water is gradually risen from the body pipe 160 after passing through the double pipe type collection chamber 120.

④ Filled raw water is introduced into the filter tank 200 through the sunflower-type discharge pipe 170 is opened.

⑤ The introduced raw water penetrates into the filtered sand layer 250 inside the filtration tank 200, and after a predetermined time, the soaking speed and the speed of the incoming raw water are different, so the raw water layer 260 on the upper portion of the filtered sand layer 250 by a predetermined height. ).

⑥ On the other hand, the soaked raw water is filtered while passing through the filtration sand (anthrasite), filtration saree, filtration gravel of the filtration sand layer 250 is collected in the collection chamber 120.

⑦ The filtered water collected in the collecting chamber 120 flows out through the water extraction pipe 180 and then flows to the next advanced water treatment facility (W / O).

⑧ While this process is continuously repeated for a predetermined time, a mud bee is formed on the upper part of the filtration sand layer 250, and a time interval and an operation time predetermined by the power control module of the surface cleaning device driving control unit are separated, washed, and removed. While periodically supplying power to the rotation motor 330, the valve control module opens the solenoid valve of the washing water supply pipe 370 by the same period. For example, the power supply and the washing water may be supplied 20 times a day.

⑨ By opening the solenoid valve, the washing water flows in the same manner as the above-described washing water flow procedure (㉮, ㉯, ㉰, ㉱, ㉲, ㉳, ㉴), and is discharged from the nozzle 380, and the rotating motor 330 is powered by power supply. By operating, the nozzle 380 and the impeller 390 pivot in the rotation direction c in the water of the filtration tank 200.

By washing water of the nozzle 380, the mud bee accumulated in the filtrate sand layer 250 is separated from the filtrate sand, and the filtrate sand is washed, and the turbid water having the separated mud bee is floated by an increased flow rate.

⑪ By the impeller 390 turning, turbid water flows to the inside of the discharge tank 290 outside the filter tank 200, and the turbid water (water discharge) introduced into the discharge tank 290 is discharge pipe 291 Through the mud bee treatment facility (not shown) (M / O).

The filtration process according to the present invention does not shut off the supply of raw water for at least mud bee cleaning, unless the supply of raw water to the filter paper is blocked or stopped for special reasons (device failure, periodic device safety inspection, power failure, etc.). Is carried out continuously without.

As described above, the present invention is provided with a cylindrical filtration system having an impeller-type surface cleaning device made of a stainless steel material, a duplex steel material, a semi-permanent water collecting tower and an filtration tank and an impeller surface cleaning device. It works.

In addition, the cylindrical filtration system equipped with the impeller-type surface cleaning device of the present invention can remove, wash, and remove mud bee accumulated in the four layers of filtration without interrupting the filtration process for a cleaning operation unless there is a special reason. Therefore, it is a breakthrough technology that can treat a relatively large amount of filtered water.

In addition, the cylindrical filtration system with an impeller-type surface cleaning device of the present invention can be installed on the ground compared to the existing filtration equipment, the advantage of being able to construct a large-scale filtration tank very easily by the method of stacking the cylindrical unit There is this.

In addition, the cylindrical filtration system having an impeller-type surface cleaning device used in the present invention is made of a new material stainless steel (STS 444, DUPLEX2205, 2206), to solve the corrosion phenomenon by the chlorine component added to the drinking water, There is an effect to improve the stress corrosion cracking phenomenon.

In addition, the cylindrical filtration system having an impeller-type surface cleaning device used in the present invention is a semi-permanent in terms of overall economical efficiency, there is no need for replacement costs because of the semi-permanent life, easy to clean and less maintenance costs, so the product life cycle (Life In terms of cost, the cycle cost is more economical than the unsanitary concrete filter paper facility.

In the above description, the technical idea of the cylindrical filtration system having the impeller-type surface cleaning device of the present invention has been described together with the accompanying drawings, which illustrate the best embodiment of the present invention by way of example and does not limit the present invention. In addition, it is obvious that any person skilled in the art can make various modifications and imitations without departing from the scope of the technical idea of the present invention.

Claims (8)

In the cylindrical filtration system having an impeller-type surface cleaning device for water purification facilities, which is made of a material resistant to corrosion, durability, and impact, such as stainless steel and duplex steel, to treat raw water with filtered water, A double pipe type water collecting tower 100 into which the raw water is introduced; Cylindrical filtration tank (200) having the collection tower (100) at the center of the shaft, at least one cylindrical unit (210) laminated and welded, and having four filtration layers (250) therein; Impeller type surface cleaning device 300 for turning the nozzle 380 and the impeller 390, 391, 392, 393 into the rotation motor 330 coupled to the upper part of the collecting tower 100 in the filtration tank 200. ), While performing the filtration process continuously without interrupting the inflow of the raw water for no particular reason, the washing water sprayed from the nozzle 380 is separated and washed by floating the mud bee accumulated in the filtered sand layer 250 periodically, Cylindrical filtration system having an impeller-type surface cleaning device, characterized in that the impeller (390, 391, 392, 393) to remove the suspended mud bee to the outside. The method of claim 1, The water collecting tower 100 is a water collecting pipe 110 connected to the sedimentation basin of the water purification plant, a water collecting chamber 120 which is a cylindrical box structure in which the water collecting pipe 110 is piped, and the water collecting chamber is conical piped at the center portion of the shaft. The upper tank bottom plate 130 and the support structure 140 which is supported by the tank bottom plate 130 and arranged to maintain a predetermined interval in the circumferential direction of each right triangle plate member (141, 142), and the support The filter pipe 150 is supported by the structure 140 and prevents filtered sand, filter sand, and filter gravel from entering the collection chamber 120 while allowing the filtered water to escape, and the water inlet pipe. The body pipe 160, which is piped through the 110 and seals the upper portion with the upper plate 161, and the raw water delivered through the body pipe 160 to guide the inside of the filter tank 200 Discharge pipe 170 piped through the circumferential surface of the body pipe 160, and the discharge After the raw water of 170 passes through the filtration sand layer 250 of the filtration tank 200 is characterized in that consisting of the discharge pipe 180 piped through the circumferential surface of the collection chamber 120 to be discharged to the outside Cylindrical filtration system with impeller-type surface cleaning device. The method of claim 1, The top plate 161 of the water collecting tower 100 has a gear groove 165 for fixing the rotating shaft 331 of the rotation motor 330 to rotatably support the impeller-type surface cleaning device 300. Impeller-type surface cleaning, characterized in that the shaft core protrusion 164 is integrally formed, and a ring-shaped seating groove 163 having a rectangular cross section is formed at an intermediate portion of the shaft core protrusion 164 and the outer edge protrusion 162. Cylindrical filtration system with a device. The method of claim 1, The ring-shaped seating groove 162 is able to support the load while smoothly inducing the rotation of the impeller-type surface cleaning device 300, while maintaining a plurality of constant intervals on the outer circumferential surface as a ring-shaped cross section At least one protruding shaft 311 is formed, and an impeller surface is mounted on the rotary shaft 311 to which a ring-shaped support 310 coupled with satellite wheels 312 and 313 is rotatably mounted. Cylindrical filtration system with cleaning device. The method of claim 1, In the upper outer circumferential portion of the filtration tank 200, a repelling tank 290, such as a retreating gutter, is fixed by welding, and the bottom surface of the repelling tank 290 is provided with a discharge pipe 291 penetrating therethrough. Cylindrical filtration system having an impeller-type surface cleaning device. The method of claim 1, The impeller-type surface cleaning device 300 is coupled to the washing water supply pipe 370, the rotary joint portion 350 that is capable of supplying water during rotation, and the internal extension pipe 351 that is piped to the rotary joint portion 350 to transfer the washing water. ), A right angled tubular reserver 320 piped to the inner extension pipe 351, and a radial pipe based on the tubular reserver 320, and the impellers 390, 391, 392, and 393 are attached to each other. At least one radial branch pipe 323, at least one downwardly extending pipe 324 each of which supplies washing water to the nozzle 380 attached to a lower end of the radial branch pipe 323, and the rotary type. Joint portion 350 is cylindrical filtration system having an impeller-type surface cleaning device, characterized in that it further comprises a motor cover (340) coupled to the shaft and protects the rotating motor (330) from moisture. The method of claim 6, The rotatable joint part 350 is provided with a ring-shaped sealing means 352 and a bearing 353 to supply the washing water flowing from the washing water supply pipe 370 fixed to the fixed structure 371 to the inner extension pipe 351. Cylindrical filtration system having an impeller-type surface cleaning device, characterized in that the casing 354 that can be disassembled. The method of claim 6, The impeller-type surface cleaning device 300 is a bending force by the weight of the radial branch pipe 323 and the impeller (390, 391, 392, 393), the impeller (390, 391, 392, 393) and water and And at least one wire-shaped support 362 and a length adjuster 363 connected to the circumferential hoop 361 so as to be used as a reinforcing means to minimize the bending deformation caused by the frictional force of the motor. Cylindrical filtration system having an impeller-type surface cleaning device, characterized in that it further comprises a support wire structure 360 for supporting the radial branch pipe (323).