KR100583005B1 - Advanced water treatment package system and method therof - Google Patents

Abstract

Disclosed is a highly purified water treatment system capable of more effectively removing solid contaminants and fine contaminants contained in treated water such as a water treatment plant. The high water purification system, raw water storage tank for storing the raw water; A pump for transferring raw water stored in the raw water storage tank; An automatic backwash filtration device for filtering solids from the raw water conveyed by the pump; An ultrafiltration membrane device for secondly filtering fine contaminants from the treated water passing through the automatic backwash filtration device; A treatment tank for storing the treated water filtered and purified from the ultrafiltration membrane device; Disinfectant tank for supplying disinfectant to the treated water transferred from the treated water tank; A compressor for supplying high pressure air to the ultrafiltration membrane device for cleaning the ultrafiltration membrane device; And a backwash pump installed between the ultrafiltration membrane device and the treatment water tank to remove contaminants adsorbed on the ultrafiltration membrane device.

Water treatment system, backwash pump, ultrafiltration membrane device, automatic backwash filtration device

Description

Advanced Water Treatment System and Water Treatment Method for Water and Sewage {ADVANCED WATER TREATMENT PACKAGE SYSTEM AND METHOD THEROF}

1 is a schematic diagram of an advanced water treatment apparatus for water and sewage according to the present invention;

2 is a perspective view of an automatic backwash filtration device according to the present invention;

3 is a schematic diagram schematically showing an ultrafiltration membrane apparatus used in the present invention;

Figure 4 is a partially enlarged view of the hollow fiber membrane in the ultrafiltration membrane device of Figure 3;

5 is an enlarged view of one hollow fiber membrane;

Figure 6 is a schematic diagram of a facility that can be used simultaneously with the air cleaning method and the back washing method for cleaning the hollow fiber membrane of the ultrafiltration membrane device; And

7 is a flowchart of an advanced water treatment method according to the present invention.

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

110: raw water storage tank 115: pump

120: automatic backwash filtration device 130: ultrafiltration membrane device

140: treatment tank 150: electrodialysis apparatus

160: disinfectant tank 170: compressor

180: backwash pump

The present invention relates to a high water purification treatment system and a water treatment method for water and sewage, more specifically, it is possible to more effectively remove the solid contaminants and fine contaminants contained in the treated water in a water treatment facility, etc. Through the automatic removal of contaminants adsorbed on the filtration membrane through the ultrafiltration with a single pump operation to the high water treatment system and water treatment method for water and sewage.

In sewage or water treatment, suspended solid contaminants in treated water are removed through physical treatment such as sedimentation or filtration.In the case of filtration method, the suspended solid contaminants are artificially generated in a direction opposite to the flow direction of normal treated water. The backwashing process removes contaminants.

In other words, after temporarily blocking or bypassing the treated water passing through the filtration apparatus, by forcibly generating a flow through the filtration network to remove the contaminants deposited in the filtration network, during the backwash, the treated water is blocked or bypassed Normal operation of the filtration device becomes impossible.

Therefore, in a public facility such as a water treatment plant where there is a need for continuous operation, there is a problem that a separate bypass pipe, a pressurization facility and a preliminary filtration device for generating a reverse flow, and the like have to be provided. There was a serious problem of increased cost.

In order to solve the problems as described above, the applicant has been registered as a "filtration apparatus for suction network washing water treatment type" as Republic of Korea Patent Publication No. 10-0530806. The filter net suction washing water filtering device is a filtration device used to remove solid contaminants contained in the treated water in water treatment facilities such as water and sewage treatment plants, and sewage treatment facilities. The suction pipe is installed with suction rod, and the suction pipe is connected with the driving motor and the discharge pipe so that the contaminants attached to the filter net can be sucked in and discharged, so that the filter net can be automatically cleaned during the operation of the filter without any backwashing process. It is. Therefore, the filter network can be cleaned without blocking or bypassing the treated water even during the operation of the filtering device, and the cleaning efficiency can be obtained through simultaneous cleaning of the inner and outer circumferential surfaces of the cylindrical filter network and the ultrasonic vibrator.

However, the registered patent has the advantage of allowing the contaminants attached to the filter net to be sucked and discharged to enable automatic cleaning of the filter net during the operation of the filter apparatus without a separate backwashing process, but only the solid contaminants of a predetermined size or more by using the filter net Filtration and the fine material of less than 1㎛ has a disadvantage that can not be effectively removed.

Therefore, there is a continuing need in the art for a water treatment system that can more efficiently purify solid contaminants and fine contaminants.

An object of the present invention was devised to solve the above problems, and advanced water purification and water treatment system for water and sewage to effectively filter various contaminants such as solid contaminants, suspended matter and turbidity causing substances from the treated water. To provide a way.

Another object of the present invention is to provide a single pump for the continuous inflow automatic backwashing filtration device and the treated water flowing into the ultrafiltration membrane with a single pump, high water purification and water treatment system for water and sewage to reduce the production cost and maintenance cost To provide a way.

Still another object of the present invention is to provide a high-purity water treatment system and water purification system for maintaining a constant filtration flow rate by performing a backwash pump and / or air cleaning by sensing the pressure of water to be treated and introduced into the ultrafiltration membrane. To provide a treatment method.

It is still another object of the present invention to provide a high water purification treatment system and a water treatment method for water and sewage which can effectively treat the water quality of drinking water by effectively removing the nitrate nitrogen in the water to be treated.

In order to achieve the above object, the high water purification treatment system for water and sewage according to the present invention, a raw water storage tank for storing raw water; A pump for transferring raw water stored in the raw water storage tank; An automatic backwash filtration device for filtering solids from the raw water conveyed by the pump; An ultrafiltration membrane device for secondly filtering fine contaminants from the treated water passing through the automatic backwash filtration device; A treatment tank for storing the treated water filtered and purified from the ultrafiltration membrane device; Disinfectant tank for supplying disinfectant to the treated water transferred from the treated water tank; A compressor for supplying high pressure air to the ultrafiltration membrane device for cleaning the ultrafiltration membrane device; And a backwash pump installed between the ultrafiltration membrane device and the treatment water tank to remove contaminants adsorbed on the ultrafiltration membrane device.

The automatic backwashing filtration device is provided with a cylindrical filtering net inside the main body formed with the inlet and the outlet, the treated water introduced into the inlet passes through the filtering net and passes through the filtering net to remove contaminants and is discharged to the outlet. In the outside, the inlet and the outer inlet are respectively formed, the filtering network is rotated and axially reciprocated, the contaminants attached to the inner and outer circumferential surface of the filtering network is sucked into the inlet and the outer inlet, respectively, in the water treatment filtration device, the main body At the top of the upper and lower gear assembly and the discharge pipe is respectively installed is installed in the conical housing; The hollow shaft is installed on the upper end of the filtering network, the upper end of the hollow shaft is connected to the drive motor through the gear assembly; A suction pipe having an outlet hole formed at an upper end thereof is installed in the inner center of the filter net and inserted into the hollow shaft. Is installed; The contaminants attached to the inner circumferential surface and the outer circumferential surface of the filter net are sucked into the inlet and the outer inlet, respectively, and are discharged through the housing and the discharge pipe.

The ultrafiltration membrane device is composed of a plurality of hollow fiber membrane module,

Each hollow fiber membrane module includes a tank and a plurality of hollow fiber membranes mounted inside the tank,

A first compressed air inlet is installed at an upper side of the tank, a backwash water outlet is installed at a lower side thereof, and a raw water inlet is installed at an upper portion of the cylindrical wall of the tank, and a treated water outlet is located at the opposite side. Is installed, the second compressed air inlet is installed in the lower portion of the cylindrical wall of the tank, the air and waste water outlet is characterized in that the lower portion of the treated water outlet.

The hollow fiber membrane is characterized in that the one side is fixed to the upper end of the tank, the other side of the non-fixed type is not fixed to the lower end of the tank.

The ultrafiltration membrane apparatus further includes an automobile pressure sensing device to detect the pressure difference between the filtered water flowing into the ultrafiltration membrane apparatus and the treated water discharged from the ultrafiltration membrane apparatus to operate the inflow pump introduced into the ultrafiltration membrane apparatus. And stop and operate the backwash pump at the same time to clean the ultrafiltration membrane device.

In order to remove the nitrate nitrogen, characterized in that it further comprises an electrodialysis apparatus equipped with a UV sensor at the rear end of the treatment tank.

In order to increase the filtration efficiency, it is characterized in that it further comprises a high efficiency ozone contact device at the rear end of the treatment tank.

High water purification treatment method for water and sewage according to the present invention, the step of introducing the raw water into the automatic backwash filtration device through a pump; Firstly filtering the raw water in the automatic backwashing filtration device; Transferring the filtered raw water to an ultrafiltration membrane device; Filtering the introduced treated water into the ultrafiltration membrane device; Transferring the treated water filtered by the ultrafiltration membrane device to a treatment tank; Detecting the pressure difference between the inflow water flowing into the ultrafiltration membrane device and the treated water discharged therefrom, if the pressure difference is 50kPa or more, stop the operation of the pump and operate the compressor and backwash pump to clean the hollow fiber membrane of the ultrafiltration membrane device step; If the concentration of nitrate nitrogen in the treated water stored in the treatment tank is 10 ppm or more, removing the nitrate nitrogen by moving the treated water to an electrodialysis apparatus; And injecting a disinfectant into the treated water that has passed through the electrodialysis apparatus.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the high water treatment system for water purification.

Advanced water purification treatment system according to the present invention is an automatic filtration system using an ultrafiltration membrane device, an electrodialysis device and / or a high efficiency ozone contact device is used.

As shown in FIG. 1, the high water purification treatment system for water and sewage according to the present invention includes a raw water storage tank 110 for storing raw water and a pump 115 for transferring raw water stored in the raw water storage tank 110. ), Ultrafiltration for filtration of fine contaminants from the treated water passed through the automatic backwashing filtration device 120, second automatic filtration device 120 for filtering solids from the raw water transported by the pump 115 Disinfectant tank for supplying disinfectant to the filtration membrane device 130, a treatment water tank 140 for storing the treated water filtered and purified from the ultrafiltration membrane device 130, the treated water transferred from the treated water tank 140 ( 160, and a compressor 170 for supplying high pressure air to the ultrafiltration membrane device 130 to clean the ultrafiltration membrane device 130.

In addition, in order to selectively increase the filtration efficiency, an electrodialysis apparatus 150 equipped with a UV sensor may be installed at the rear end of the treatment tank 140, and although not shown, a high-efficiency ozone contact apparatus may be installed. The electrodialysis apparatus 150 and the high efficiency ozone contact apparatus may be installed at the same time.

In addition, in order to selectively remove the contaminants adsorbed on the ultrafiltration membrane device 130, a backwash pump 180 may be installed to backwash the treated water to remove the contaminants, or to remove the contaminants using an air cleaning method. It may be removed, it may be used at the same time backwash pump 180 and the air cleaning method. The backwash pump 180 is connected to the ultrafiltration membrane device 130 and the treatment tank 140.

Looking at each of the components in the high water treatment system for water purification according to the present invention in detail.

The automatic backwashing filtration device 120, as shown in Figure 2, by installing the suction means not only inside the filter net 20, but also outside, so that the inner circumferential surface and the outer circumferential surface of the filter net 20 can be simultaneously washed It is.

During long-term use of the filtering net 20, contaminants are deposited not only on the inlet side but also on the surface of the outlet side, and since the contaminants on the outlet side are difficult to be effectively washed only by the suction port 32 inside the filtering net 20, the outside of the filtering net 20 By installing an external suction port 37 and an external suction pipe 36 to connect it with the celebratory housing 15, it was possible to simultaneously wash the inside and outside of the filtering network 20.

However, in this case, the filter net 20 was configured to rotate and lift by connecting with the drive motor 40.

By forming a hollow shaft 21 on the upper end of the filter net 20 and connecting it with a screw 34 or the like, by forming a through-hole 22 in the upper portion of the hollow shaft 21 and inserting the suction pipe 30 therein The suction pipe 30 operates in a fixed state, but the filtering net 20 itself is rotated and lifted so that all points of the surface of the filtering net 20 can be washed.

The contaminants sucked into the suction pipe 30 are introduced into the hollow shaft 21 through the outflow hole 33 at the upper end of the suction pipe 30, and then through the through hole 22 in the upper portion of the hollow shaft 21, 15) is discharged to the inside, the contaminants 99 sucked through the external suction pipe 36 is immediately introduced into the celebration housing 15 to be discharged.

Here, since the suction pipe 30 and the external suction pipe 36 are fixed parts, the suction pipe 30 and the suction pipe 30 may be connected to each other through the lower part of the filtering net 20, and the filtering and washing structures of the filtering net 20 and the suction pipe 30, etc. Is manufactured in the form of a module, it can also be produced as a form in which a plurality of modules are installed in one body.

In order to maximize the effect during the suction washing of the filter net 20 is to be able to generate an ultrasonic wave inside the body (10).

As a result, the technical gist of the present invention is provided with a cylindrical filtering net 20 inside the main body 10 in which the inlet 11 and the outlet 12 are formed, and the treated water introduced into the inlet 11 flows into the filtering net 20. After passing through the filter net 20 and the contaminants are removed and discharged to the outlet 12, the upper end of the main body 10, the gear assembly 41 and the discharge pipe 13 is installed in the upper and lower, respectively The housing 15 is configured, and a plurality of suction rods 31 are formed at the inner circumferential surface of the filter net 20, and a suction tube 30 connected to the driving motor 40 through the gear assembly 41 is installed at an upper end thereof. However, the outlet hole 33 and the suction port 32 are formed at the upper end of the suction pipe 30 and the suction rod 31, respectively, and the contaminants 99 attached to the inner circumferential surface of the filter net 20 are directed to the suction hole 32. Suction net suction, characterized in that the discharge through the suction pipe 30, the outlet hole 33, the sangyong 15 and the discharge pipe 13 Cylindrical filter net 20 is installed inside the main body 10 in which the inlet 11 and the outlet 12 are formed, and the treated water flowing into the inlet 11 flows into the filter net 20. After passing through the filter net 20 and the contaminants are removed and discharged to the outlet 12, the upper end of the main body 10, gear assembly 41 and the discharge pipe 13 is installed in the upper and lower, respectively The housing 15 is configured, and the hollow shaft 21 is installed on the upper end of the filtering net 20, the upper end of the hollow shaft 21 is connected to the drive motor 40 through the gear assembly 41, the filtering net An intake tube 30 having an outlet hole 33 formed at an upper end of the inner central portion of the 20 is inserted into the hollow shaft 21, and a plurality of suction rods 31 having a suction port 32 formed at the front end thereof are provided with a suction tube ( It is installed on the outer circumferential surface of 30, the outer suction pipe 36 and the outer suction opening 37 connected to the celebration housing 15 on the outside of the filtering network 20 Installed, the filter net suction washing type, characterized in that the contaminants attached to the inner circumferential surface and the outer circumferential surface of the filter net 20 are sucked into the suction port 32 and the external suction port 37, respectively, and discharged through the celebratory housing 15 and the discharge pipe 13. It is a filtering device for water treatment, and the ultrasonic vibrator 61 connected to the ultrasonic oscillator 60 is installed inside the main body 10, and the filtering net suction washing type filtering device for generating ultrasonic waves when cleaning the filtering network 20. .

An ultrafiltration membrane device 130 is installed at the rear end of the automatic backwashing filtration device 120. In the general filtration device, filter media contamination occurs due to filtration and the filter media is clogged. . In this case, the filtration process is stopped and backwashing or washing is performed. By using the automatic backwashing filtration device 120, the microfiltration is performed by one pump operation without interruption of the filtration process for backwashing through the continuous inflow automatic backwashing method. And ultrafiltration can be performed at the same time. This eliminates the need for an additional pump to introduce raw water to be filtered into the ultrafiltration membrane, and is a technology that can dramatically reduce the power for filtration.

The continuous inflow automatic backwash filtration device 120 and the ultrafiltration membrane can be used to remove the potassium permanganate consumption by more than 50%, there is a technical advantage that can remove more than 99% E. coli.

3 is a schematic view schematically showing an ultrafiltration membrane apparatus used in the present invention, FIG. 4 is a partially enlarged view of the hollow fiber membrane in the ultrafiltration membrane apparatus of FIG. 3, and FIG. 5 shows one hollow fiber membrane. It is an enlarged view.

As shown in FIGS. 3 to 5, the ultrafiltration membrane apparatus 130 according to the present invention includes a tank 250 and a plurality of hollow fiber membranes 240 installed inside the tank 250. At this time, the plurality of hollow fiber membranes 240 is preferably a non-fixed type that is not fixed to the lower end of the tank 250. Since the hollow fiber membrane 240 is non-fixed, there is an advantage in that the contaminants adsorbed on the hollow fiber membrane 240 can be easily removed.

A first compressed air inlet 263 is installed at an upper side of the tank 250, and a backwash water outlet 270 is provided at a lower side thereof. A raw water inlet 261 through which the raw water flows is installed at an upper portion of the cylindrical wall of the tank 250, and a treated water outlet 267 is installed at the opposite side thereof. In addition, a second compressed air inlet 265 is installed below the cylindrical wall of the tank 250, and an air and waste water outlet 269 is installed below the treated water outlet 267.

In addition, the raw water to be filtered is introduced into the tank 250 of the ultrafiltration membrane device 130 through the raw water inlet 261.

As shown in FIG. 5, the raw water W thus introduced is supplied to the plurality of hollow fiber membranes 240 at high pressure, and the water passing through the filtration holes 245 of the hollow fiber membranes 240 is clean treated water. Moved to (C) and discharged through the treated water outlet 267, pollutants 280, wastewater and air that did not pass through the filtration hole 245, air and wastewater outlet 269 and backwash water outlet ( 270 is discharged to the outside.

As filtration is continuously performed, contaminants are adsorbed around the hollow fiber membrane 240, thereby degrading the filtration capacity of the ultrafiltration membrane. In this case, contaminants should be removed from the hollow fiber membrane 240. The pollutant removal methods include an air cleaning method and a back washing method.

Contaminant removal by the air cleaning method is to inject high-pressure compressed air through the first compressed air inlet 263 from the top of the tank to separate the contaminants from the hollow fiber membrane, and then to the second compressed air inlet ( 265) is a method of injecting high-pressure compressed air from the bottom of the tank to bubble the contaminants in the tank and discharge it to the outside.

In addition, the backwash method is to wash the hollow fiber membrane using the treated water passed through the ultrafiltration membrane device 130, by stopping the supply of water flowing into the ultrafiltration membrane device 130 and operating the backwash pump 180 Cleaning is performed by supplying the treated water to the ultrafiltration membrane device 130 in reverse.

Figure 6 is a schematic diagram of a facility that can be used simultaneously with the air cleaning method and the back washing method for cleaning the hollow fiber membrane of the ultrafiltration membrane device.

Referring to Figure 6, the operation of the ultrafiltration membrane device will be described in detail.

(1) Cleaning of the hollow fiber membrane module using compressed air: A process of effectively injecting compressed air into the hollow fiber membrane to remove contaminants adsorbed on the membrane surface, wherein the valve AV-6 and the valve AV-4 Open and all remaining valves are closed. Therefore, high pressure air flows into the ultrafiltration membrane device 130 from the valve AV-6 to clean the hollow fiber membrane, and then air is discharged to the outside through the valve AV-4.

(2) Air Bubbling Process: A process that removes contaminants on the surface of the hollow fiber membrane by providing an air flow from the bottom to the top of the hollow fiber membrane module using air to shake off the hollow fiber membrane bundles. , The valve AV-4 and the valve AV-5 are opened, and the remaining valves are all closed. Therefore, while the high pressure air is strongly supplied from the lower end of the ultrafiltration membrane device 130 to the upper end from the valve AV-5, the hollow fiber membrane is washed off, and then the air is externally supplied through the valve AV-4. To be discharged.

(3) Backwashing process: A process of backwashing using the treated water filtered through the ultrafiltration membrane device 130 when the cleaning efficiency is reduced despite the air washing, and the treated water using the backwashing pump 180. Is introduced into the inside of the ultrafiltration membrane device 130 through the valve AV-8, followed by washing, and then the water after washing is discharged to the outside by opening the valve AV-4. This backwashing process may be achieved by removing the pollutant 280 adsorbed on the hollow fiber membrane 240 while the treated water moves in the direction opposite to the direction of the arrow shown in FIG. 5.

(4) Pollutant discharge: A process of discharging contaminants adhered to the surface of the hollow fiber membrane by air cleaning and backwashing, and then discharging the remaining liquid to the outside of the ultrafiltration membrane apparatus 130. AV-4) is opened and all remaining valves are closed.

(5) Filtrate filling step: A process in which the ultrafiltration membrane device 130 fills the filtrate therein after washing, and the valve AV-1 is opened to fill the filtrate with the valve AV-4. Open the valve (AV-7) to drain the air and backwash water.

(6) Filtration process: A process of filtering the filtrate flowing into the ultrafiltration membrane device 130, wherein the valve AV-1 is opened to introduce the filtrate and return the filtered treated water to the valve AV-2. Open to flow.

In addition, the ultrafiltration membrane device 130 has a built-in automobile pressure sensing device (not shown), the pressure difference between the filtered water flowing into the ultrafiltration membrane device 130 and the treated water discharged from the ultrafiltration membrane device 130. When the pressure difference by a predetermined pressure (50kPa) or more occurs, the vehicle pressure sensor stops the operation of the inflow pump flowing into the ultrafiltration membrane device 130, at the same time operating the backwash pump 180 and the air The ultrafiltration membrane device 130 may be washed by performing a cleaning method.

In addition, the electrodialysis apparatus 150 is an apparatus for removing nitrogen nitrate by promoting the dialysis rate by passing electricity through an ion exchange membrane therebetween, and a detailed description of the structure and operation of the apparatus is already known. Omit it.

When the concentration of the nitrate nitrogen introduced in the treated water is more than 10ppm by operating the electrodialysis apparatus 150 can lower the concentration of nitrogen below the drinking water standard.

In addition, a high efficiency ozone contact device can be optionally used, and environmental hormones can be decomposed through its use. The ozone supplied from the ozone generator is circulated from the inside of the contact tank through the contact tank circulation pump to promote the decomposition of harmful substances through ozone contact, and to control the rotation speed of the circulation pump to effectively cope with the change in the concentration of pollutant inflow and optimize the reaction efficiency. You can.

7 is a flowchart of an advanced water treatment method according to the present invention. Referring to Fig. 7, a high water purification treatment method according to the present invention will be described.

Raw water is introduced into the automatic backwash filtration device 120 through the pump 115. The raw water introduced into the automatic backwashing filtration device 120 is passed through the filtration member to remove the contaminants of the solids and then transferred to the ultrafiltration membrane device 130, and the contaminants are drained to the outside. The treated water introduced into the ultrafiltration membrane device 130 passes through the hollow fiber membrane 240, and the fine pollutants are removed, and the treated water from which the pollutants are removed moves to the treatment tank 140, and the removed pollutants are Drain to the outside

At this time, by detecting the pressure difference between the inflow water flowing into the ultrafiltration membrane device 130 and the treated water discharged therefrom through the automobile pressure sensing device, the operation of the pump 115 is stopped and the compressor 170 and the backwash pump ( 180 is operated to clean the hollow fiber membrane 240 of the ultrafiltration membrane device 130.

The treated water stored in the treated tank 140 is moved to an electrodialysis apparatus to remove nitrate nitrogen. At this time, the UV sensor detects the concentration of nitrate nitrogen, the electrodialysis apparatus 150 is operated when the concentration of nitrate nitrogen is more than 10ppm and the electrodialysis apparatus 150 when the concentration of nitrate nitrogen is less than 10ppm ) Stops running.

The treated water passing through the electrodialysis apparatus 150 may be used as drinking water after the disinfectant is finally added.

According to the highly purified water treatment system and the purified water treatment method of the present invention, first, it is possible to effectively remove contamination by microorganisms such as fine particulate matter and E. coli from the water to be treated.

Second, by supplying the treated water flowing into the continuous inlet automatic backwashing filtration device and the ultrafiltration membrane with a single pump, it is possible to reduce the production cost and maintenance cost.

Third, by performing a backwash pump and / or air cleaning by sensing the pressure of the treated water flowing into and out of the ultrafiltration membrane, the filtration flow rate can be kept constant.

Fourth, by effectively removing the nitrate nitrogen in the water to be treated, the water quality of the treated water can be treated to the extent that drinking is possible.

Claims (8)

Raw water storage tank 110 for storing raw water; A pump 115 for transferring raw water stored in the raw water storage tank 110; An automatic backwash filtration device (120) for filtering solids from the raw water conveyed by the pump (115); An ultrafiltration membrane device (130) for secondly filtering fine contaminants from the treated water passing through the automatic backwashing filtration device (120); Treatment tank 140 for storing the treated water filtered and purified from the ultrafiltration membrane device 130; Disinfectant tank 160 for supplying disinfectant to the treated water transferred from the treatment tank 140; A compressor (170) for supplying high pressure air to the ultrafiltration membrane device (130) for cleaning the ultrafiltration membrane device (130); And Water removal and sewage comprising a; backwash pump 180 is installed between the ultrafiltration membrane device 130 and the treatment tank 140 in order to remove contaminants adsorbed on the ultrafiltration membrane device 130. Advanced water treatment system. The method of claim 1, The automatic backwash filtration device 120, The cylindrical filter net 20 is installed inside the main body 10 having the inlet 11 and the outlet 12 formed therein, and the treated water introduced into the inlet 11 passes through the filter net 20 after being introduced into the filter net 20. And the contaminants are removed and discharged to the outlet 12, the inlet 32 and the external inlet 37 is formed inside and outside of the filtering network 20, respectively, the filtering network 20 is rotated and axially reciprocated, (20) In the filtration device for water treatment in which the contaminants attached to the inner circumferential surface and the outer circumferential surface are respectively sucked into the suction port 32 and the external suction port 37 and discharged to the outside. The upper end of the main body 10 has a gear housing (41) and a discharge housing (13) is installed in the upper and lower, respectively; The hollow shaft 21 is installed on the upper end of the filter net 20, the upper end of the hollow shaft 21 is connected to the drive motor 40 through the gear assembly 41; The suction tube 30 having an outlet hole 33 formed at an upper end of the filter net 20 is inserted into the hollow shaft 21, and a plurality of suction rods 31 having a suction port 32 formed at an end thereof are suction pipes. It is installed on the outer circumferential surface of 30, the outer suction pipe 36 and the outer suction hole 37 is connected to the outside of the filter housing 20 is installed outside the filtering net 20; Filtering net 20 is a high water treatment system for water and sewage, characterized in that the contaminants attached to the inner circumferential surface and the outer circumferential surface are sucked into the inlet 32 and the outer inlet 37, respectively, and discharged through the conical housing 15 and the discharge pipe 13. The method of claim 1, The ultrafiltration membrane device 130 is composed of a plurality of hollow fiber membrane module, Each hollow fiber membrane module includes a tank 250 and a plurality of hollow fiber membranes 240 mounted inside the tank 250, A first compressed air inlet 263 is installed at an upper side of the tank 250, a backwash water outlet 270 is installed at a lower side thereof, and raw water is introduced into an upper portion of the cylindrical wall of the tank 250. A raw water inlet 261 is installed, and a treated water outlet 267 is installed on the opposite side thereof, and a second compressed air inlet 265 is installed below the cylindrical wall of the tank 250, and the treated water outlet 267 is provided. At the bottom of the air and wastewater discharge port (269) is characterized in that the high water treatment system for water and sewage. The method of claim 3, wherein The hollow fiber membrane 240, One side is fixed to the upper end of the tank 250, the other side is a high water treatment system for water and sewage, characterized in that the non-fixed type is not fixed to the lower end of the tank (250). The method of claim 1, The ultrafiltration membrane device 130 further includes an automobile pressure sensing device, and detects the pressure difference between the filtered water flowing into the ultrafiltration membrane device 130 and the treated water discharged from the ultrafiltration membrane device 130, thereby filtering the ultrafiltration membrane. Water purification system for water and sewage, characterized in that to stop the operation of the inflow pump flowing into the device 130 and at the same time to operate the backwash pump 180 to clean the ultrafiltration membrane device. The method according to any one of claims 1 to 5, In order to remove nitrate nitrogen, high water treatment system for water and sewage, characterized in that it further comprises an electrodialysis apparatus (150) equipped with a UV sensor at the rear end of the treatment tank (140). The method according to any one of claims 1 to 5, In order to increase the treatment efficiency of the trace harmful substances, the high-purity water treatment system for water and sewage further comprising a high efficiency ozone contacting device at the rear end of the treatment tank (140). Introducing the raw water into the automatic backwash filtration device 120 through the pump 115; Filtering the raw water first in the automatic backwash filtration device (120); Transferring the filtered raw water to the ultrafiltration membrane device 130; Filtering the introduced treatment target water in the ultrafiltration membrane device (130); Transferring the treated water filtered by the ultrafiltration membrane device 130 to the treated water tank 140; The pressure difference between the inflow water flowing into the ultrafiltration membrane device 130 and the treated water discharged therefrom is sensed. When the pressure difference is 50 kPa or more, the operation of the pump 115 is stopped and the compressor 170 and the backwash pump 180 are stopped. Operating to clean the hollow fiber membrane 240 of the ultrafiltration membrane device 130; If the concentration of nitrate nitrogen in the treated water stored in the treated tank 140 is 10 ppm or more, removing the nitrate nitrogen by moving the treated water to an electrodialysis apparatus; And Injecting a disinfectant to the treated water passed through the electrodialysis apparatus 150; Advanced water treatment method for water and sewage, characterized in that it comprises a.

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