KR20080078932A - Moving type water purifier with back fresh function - Google Patents

Abstract

A mobile water purifying apparatus with backwashing function is provided, wherein the apparatus can supply large amounts of drinking water as well as industrial water with high quality, has a regenerating unit, is embedded in a predetermined space of a container or the like, and can be monitored remotely. A mobile water purifying apparatus(100) with backwashing function comprises: a multilayered filter(200) in which a filter medium is filled to remove adulterations of raw water; an activated carbon filter(300) in which a filter medium is filled, and micro-pores are formed to remove harmful bacteria and volatile organic compounds contained in water filtered through the multilayered filter; a micro-filter(400) manufactured by molding a porous powder made from filamentous polymer material and firing the molded powder at high temperatures to filter the filtered water passing through the activated carbon filter; transfer pumps(500a,500b) for transferring the filtered water passing through the micro-filter to the water purification unit; a reverse osmosis water purification unit(600) comprising a plurality of membrane filters to pass the transferred water through the membrane filters step by step as a unit for purifying water that has been transferred by the transfer pumps; a regenerating unit for backwashing the membrane filters of the reverse osmosis water purification unit; and a control panel(800) for controlling the entire operation of the apparatus. The regenerating unit includes a backwashing chemical tank(710), a regenerating pump(720), a regenerating filter(730), a wastewater tank(740), and a wastewater discharge pump(750). Further, a unit for injecting chemicals adjusting pH of the purified water through reverse osmosis water purification unit is additionally contained in the mobile water purifying apparatus.

Description

Mobile water purifier with backwash function {Moving type water purifier with back fresh function}

1 is a processing diagram showing a process for purifying raw water as an embodiment according to the present invention.

Figure 2 is a plan view of a mobile water purifier having a backwash function as an embodiment according to the present invention.

3A is a plan view of a playback apparatus as an embodiment according to the present invention;

3B is a side view of a playback apparatus as one embodiment according to the present invention;

4A is a schematic block diagram of a general PLC.

Figure 4b is a block diagram of a remote monitoring system according to an embodiment of the present invention.

5a and 5b is a state of transporting a mobile water purifier having a backwash function as an embodiment according to the present invention.

Explanation of symbols on the main parts of the drawings

100: mobile water purifier with backwash function

110: container 200: multilayer filter

300: activated carbon filter 400: micro filter

410: antiscalant tank 420: antiscalant pump

500a, 500b: pressure pump 600: reverse osmosis water purification device

601 ~ 605: membrane filter 610: pH chemical tank

620: pH pump 631: conductivity meter

632: pH measuring instrument 700: regeneration device

710: backwash chemical tank 720: regeneration pump

730: regeneration filter 740: waste water tank

741: flow meter 742: waste water tank valve

750: wastewater discharge pump 800: control panel

810: central processing unit 820: program memory

830 data memory 840 input unit

841: Program input device 842: Input device

850: output unit 851: output device

860: power supply unit 870: PLC server

880 client 900 treated water tank

941 flowmeter 942 treated water tank valve

950,960: Air tank 951a, 951b: Purifier supply pump

961a, 961b: Boiler Feed Pump

The present invention relates to a mobile water purifier having a backwash function, and supplies a water supply to a local engine power plant or small and medium enterprises, or a water purifier that can be used as an emergency water supply device in mountainous regions, islands, or disaster areas. It is provided in the space so that it can be moved by a transportation means, such as a ship and a vehicle.

Industrial water is divided into boiler water, raw water, product treatment water, washing water, cooling water, etc.The industrial water is different in quantity and quality depending on the type of business or use, but generally should be high in quantity, high quality, low temperature, It should be cheap.

On the other hand, if a large amount of industrial water is required for the production of the product, the use of water is directly related to the cost of the product.

For example, seawater is used a lot as cooling water for thermal power and nuclear power, but when seawater is used as cooling water in large quantities, the surrounding seawater concentration changes, which affects the biological resources of the sea area. In general, small and medium-sized enterprises that require high quality water are not suitable for industrial water use due to the location conditions or the characteristics of the product.

On the other hand, in areas where water facilities are inadequate or rainfall is scarce or where disasters are contaminated, it is necessary to purify the water in the strata or rivers in order to use drinking water. In this case, the water purifier must be operated locally within a reasonable time, and it must be able to supply a large amount of water since it is for a large number of people.

In addition, in the case of membrane filter used in the water purification device, the surface is contaminated with negative, positive ion, etc., when used for a long time, the water purification capacity is reduced, so backwashing is required, and at this time, it is cumbersome to backwash by adjusting the valve. Mobile water purifier has a problem that the manager should always be waiting for failure or emergency in the installed area.

The present invention is to solve the above problems, it is possible to supply a large amount of drinking water required in mountainous areas or disaster areas, as well as high-quality industrial water required by local power plants, small and medium-sized enterprises, etc., and has its own regeneration device, The object of the present invention is to provide a mobile water purifier with a backwash function, which is built in a predetermined space to be movable and that can be monitored remotely.

The above-described object of the present invention is a multi-layer filter filled with the filter to remove the contaminants of the raw water withdrawal, and the filter medium is filled to remove harmful bacteria and volatile organic compounds contained in the water filtered through the multi-layer filter Activated charcoal filter with fine pores, microfilter formed by sintering at high temperature by molding porous powder of high molecular material in the shape of thread to filter the water filtered through the activated charcoal filter, and filtered through the microfilter A pump for conveying water to a reverse osmosis water purifying apparatus which will be described later, and a device for purifying water conveyed by the pump, provided with a plurality of membrane filters and configured to allow the conveyed water to pass through the plurality of membrane filters step by step. Regeneration plant for backwashing the osmosis water purification device and the membrane filter of the reverse osmosis water purification device Tooth, and a control panel for controlling the overall operation, and is achieved by a mobile water purifier equipped with a backwash function, characterized in that installed in a certain space and movable.

Here, the regeneration device includes a backwash chemical tank for storing the washing water in which the backwashing chemical is mixed, a regeneration pump for transferring the washing water to the reverse osmosis water purification device, a regeneration filter for filtering the chemical residues of the washing water, and the reverse A wastewater tank for storing the wastewater from which the osmotic water purification device is washed, and a wastewater discharge pump for discharging the wastewater from the wastewater tank to the outside.

In addition, the control panel is characterized in that the switch is provided for switching to the remote control mode using the Internet.

In addition, the present invention is characterized in that it further comprises a device for injecting the anti-scalent drug for preventing adhesion to scale in the water filtered through the micro-filter.

In addition, the present invention is characterized in that it further comprises a device for injecting a drug for adjusting the pH of the purified water through the reverse osmosis water purification device.

Hereinafter, the present invention will be described in detail with reference to preferred embodiments of the accompanying drawings. 1 is a process showing a process for purifying raw water as an embodiment according to the present invention, Figure 2 is a plan view of a mobile water purification apparatus having a backwash function as an embodiment according to the present invention, Figure 3a 3B is a side view of a playback device as an embodiment according to the present invention, FIG. 4A is a schematic block diagram of a general PLC, and FIG. 4B is an embodiment according to the present invention. 5A and 5B are diagrams illustrating a state of transporting a mobile water purifier having a backwashing function according to an embodiment of the present invention.

Mobile water purifier 100 having a backwashing function according to the present invention, as shown in Figure 1 to 5b, the multi-layer filter 200 for removing the contaminants of the raw water withdrawal, and the multi-layer filter 200 Activated carbon filter 300 to remove suspended substances and organic matters contained in the filtered water through, the micro filter 400 for filtering the water filtered through the activated carbon filter 300, and the micro filter 400 Five membrane filters 601 provided with three pressure pumps 500a and 500b for transferring the water filtered through the apparatus to the reverse osmosis water purification device 600, and water transferred by the pressure pumps 500a and 500b in three stages. A reverse osmosis water purification device 600 for purifying water through 605; a regeneration device 700 for backwashing the membrane filters 601 to 605 of the reverse osmosis water purification device 600; and a control for controlling the overall operation. The panel 800 is configured.

Here, the multi-layer filter 200 may use media such as slag balls having a size of about 0.1 to 0.15 mm, sand having a size of 0.3 to 0.8 mm, gravel having a size of 5 to 10 mm, and the like. The number, specification, and type are not limited thereto, and may be variously adopted depending on field conditions.

In addition, the activated carbon filter 300 is filled with a filter medium and fine pores are formed, by using the adsorption power peculiar to activated carbon can be subjected to a high degree of water treatment such as deodorization of the suspended substance, decolorization, adsorption of organic substances, removal of harmful bacteria, and its specifications and The type is adopted in various ways depending on the site conditions.

In addition, the micro filter 400 is a porous powder made of a polymer material in the shape of a polymer in order to maximize the water purification effect by removing even fine particles of 1㎛ size, such as rust, soil, sand, dust and various other debris It is molded and calcined at a high temperature, the specifications and types are employed in various ways depending on the site conditions.

In addition, the reverse osmosis water purification device 600 is to arrange the five membrane filters (601 ~ 605) in three stages to purify the water filtered through the micro filter 400, respectively in the first and second stages Two membrane filters 601 to 604 are arranged in parallel, and in the third step, one membrane filter 605 is preferably arranged. The membrane filters 601 to 605 may be made of heavy metals, bacteria, organic chemicals or The foreign matter dissolved in water having a molecular weight of 200 or more is treated by a forced duplexing separation process through a high-precision semipermeable membrane (0.0001㎛) to exert a water purification effect, and the specifications and types are variously adopted depending on the site conditions.

In addition, the regeneration apparatus 700 is composed of a backwash chemical tank 710, a regeneration pump 720, a regeneration filter 730, a wastewater tank 740 and a wastewater discharge pump 750, wherein the backwash In the chemical tank 710, a part of the treated water treated by the reverse osmosis water purification device 600 is stored, and a backwashing chemical is mixed therein and used as washing water, such as hydrochloric acid and caustic soda. Preferably, the waste water tank 740 stores the waste water after washing, and the regeneration filter 730 serves to filter out undissolved chemical residues and is preferably made of polypropylene fiber.

In addition, the control panel 800 is to control the overall operation of the present invention, the flow meter (741,941), conductivity meter 631, pH meter 632 and waste water tank valve 742, the treated water tank valve in the present invention 942 and electrically connected to the electronic control device connected to the motor of each pump to control the whole process from raw water intake to process water transfer, switch to switch to the remote control mode using the Internet It is possible to monitor the instrument value on a web browser using the Internet, and it is possible to control the operation of the valve and the motor.

In addition, the mobile water purifier 100 equipped with a backwashing function according to the present invention is a step before the water filtered through the micro-filter 400 is introduced into the reverse osmosis pressure purification device 600, It further comprises a device for injecting an antiscalant drug, which comprises an antiscalant tank 410 and an antiscalant pump 420, and the antiscalant drug is a hydroxyl group ethylene diphosphate (hydroxyl) It is preferable to use chemicals of the ethylene di phosphoric acid type.

In addition, the mobile water purifier 100 equipped with a backwashing function according to the present invention before the water purified through the reverse osmosis tackifier device 600 is stored in the treated water tank 900, It further comprises a device for injecting a chemical to adjust the pH, the device is composed of a pH chemical tank 610 and the pH pump 620, it is preferable to use sodium hydroxide as the chemical.

Looking at the operation according to an embodiment of a mobile water purifier having a backwash function configured as described above are as follows.

A mobile water purifier 100 having a backwashing function according to an embodiment of the present invention is installed in a predetermined space such as a container 110, and an installation place requiring water treatment by means of transportation such as a car or a ship. Is moved to.

After arriving at the installation site, the water purification device 100 is separated from the vehicle, and the intake pipe is connected to the raw water and operated.

Here, the raw water introduced through the water intake pipe by the pumping means first passes through the multilayer filter 200. At this time, contaminants, such as suspended matter contained in the raw water is removed.

Thereafter, the water filtered through the multilayer filter 200 passes through the activated carbon filter 300, where harmful bacteria and volatile organic compounds such as viruses contained in the first filtered water are removed.

The water filtered through the activated carbon filter 300 passes through the micro filter 400. At this time, the fine impurities of 1㎛ size, such as rust, soil, sand, dust and various debris, are filtered with a 1㎛ filter.

The water filtered through the micro filter 400 is introduced into the reverse osmosis water purification device 600 by the pressure pumps 500a and 500b, and the spare pump 500b in case the pressure pump 500a is inoperable. It is preferable to further include, wherein the antiscalant drug of the hydroxyl group ethylene di phosphoric acid system is injected to prevent scale adhesion.

The water introduced into the reverse osmosis water purification device 600 is purified by passing through five membrane filters 601 to 605 in three stages. The first and second stages are two parallelly disposed membrane filters 601 to 601. 604 is used and the final third step is one membrane filter 605. At this time, the remaining wastewater treated in the first stage is purified in the second stage, and the remaining wastewater treated in the second stage is purified again through the third stage, thereby improving water recovery efficiency.

The treated water purified by the reverse osmosis pressure purification device 600 is stored in the treated water tank 900, some of which are transferred to the backwash chemical tank 710 and stored.

At this time, the treated water tank 900 is separated from the water purifier 100 is movable, has a hygienic, water-tightness, durability and heat retention functions, it is preferable that a large capacity that can store a large amount of treated water.

Finally, the treated water stored in the treated water tank 900 is supplied to the associated facilities such as the boiler and the purifier by the air tanks 950 and 960, the purifier supply pumps 951a and 951b and the boiler supply pumps 961a and 961b, respectively. In this case, it is preferable to provide each one more in reserve in case the pump is inoperable.

On the other hand, when the reverse osmosis water purification apparatus 600 is operated for a long time, the surface of the membrane filter (601 ~ 605) is contaminated with positive, anion components, etc., the water purification capacity is reduced, at this time, the regeneration device 700 is operated.

In this case, the regeneration device 700 is driven by the regeneration pump 720 to reverse the original water direction to the membrane filter (601 ~ 605) of the reverse osmosis pressure purification device 600 to the washing water of the backwash chemical tank (710) At this time, the backwashing chemical tank 710 is injected into the cleaning chemicals, and this chemical is not completely dissolved and regenerated before being transferred to the reverse osmosis pressure purification device 600 to filter out the remaining residues and other impurities. The filter 730 is passed through.

The wastewater washed with the membrane filters 601 to 605 of the reverse osmosis water purification device 600 by the regeneration device 700 is transferred to the wastewater tank 740 and stored thereafter, and then is discharged to the outside by the wastewater discharge pump 750. Discharged.

On the other hand, by checking the flow rate through the flow meters (741,941) installed in the pipe connected to the wastewater tank 740 and the treated water tank 900 in the reverse osmosis water purification apparatus 600, it is possible to check the overall operating situation, reverse osmosis pressure constant In the process that the treated water passing through the device 600 is stored in the treated water tank 900, by measuring the pH of the treated water by the pH meter 632, by maintaining a constant pH by adding a chemical such as NaOH, The water quality of the treated water produced through the conductivity meter 631 is managed.

This overall operation can be controlled by a PLC (Programmable Logic Controller) method by the control panel 800 provided on one side of the container 110 is electrically connected to the sensors of various instruments, or the electronic control device connected to the motor and the valve. The PLC is generally composed of a central processing unit 810, a program memory 820, a data memory 830, an input unit 840, an output unit 850, and a power supply unit 860, as shown in FIG. 5A.

Here, the PLC program input device 841 is a device that writes a program in a PLC-specific program language and inputs it into the program memory 820. The PLC program input device 841 is a program that can be executed by a general-purpose user computer to create a program using the RS232C communication port. The input device 842 is a device that outputs a signal such as a switch or a sensor of various measuring instruments 631 and 632. The input device 842 is connected to an input terminal of a PLC, and the output device 851 is a lamp or a solenoid valve 742 or 942. It is a device that is driven by receiving the output of the PLC, and is connected to the output terminal of the PLC.

At this time, the central processing unit 810 of the PLC sequentially executes the programs stored in the program memory 820, and periodically reads input values of the input devices 842 through the input unit 840, and corresponds to the corresponding data memory 830. ), The value recorded in the data memory 830 corresponding to the output device 851 is read, and transmitted to the output device through the output unit 850.

In addition, the present invention is generally operated with an associated equipment such as an engine generator, a boiler, etc., the control panel 800 is provided with a switch for switching from automatic control to remote control using the Internet, when switching to remote control As shown in FIG. 5B, data and operation status of various measuring instruments 631 and 632 that can be checked by the control panel 800 are stored in a PLC server 870 provided separately from the present invention, and in this PLC server 870. In addition to the PLC of the present invention mobile water purifier 100, the PLC of the associated equipment such as engine generator, boiler, etc. is connected, and connected to the client 880 of the remote site through the Internet to monitor the data and operation status from the remote site through a web browser And it will be able to control the operation of each motor and the opening and closing of the waste water tank valve 742 and the treatment water tank valve (942).

As described above, according to the mobile water purifier having a backwashing function according to the present invention, it is possible to immediately supply drinking water needed in mountainous lands, island areas, and disaster areas as well as high-quality industrial water required by local power plants and small and medium-sized enterprises. It can be supplied in large quantities and has its own playback device and remote monitoring system, so it is easy to install, operate and manage.

Claims (5)

A multi-layer filter filled with a filter to remove impurities of the intake water; An activated carbon filter in which a filter medium is filled and fine pores are formed to remove harmful bacteria and volatile organic compounds contained in the filtered water through the multilayer filter; A micro filter formed by sintering the porous powder made of a thread-like high molecular material to filter the water filtered through the activated carbon filter and firing at high temperature; A pressure feeding pump for transferring the water filtered through the micro filter to a water purifying apparatus described later; An apparatus for purifying water transferred by the pumping pump, the apparatus comprising: a plurality of membrane filters, and the reverse osmosis water purification apparatus configured to pass the transferred water through the plurality of membrane filters step by step; A regeneration device for back washing the membrane filter of the reverse osmosis water purification device; And It is configured to include a control panel for controlling the overall operation, the mobile water purifier with a backwash function, characterized in that installed in a certain space is movable. The method according to claim 1, wherein the playback device, Backwash chemical tank for storing the wash water mixed with backwashing chemicals, Regeneration pump for transferring the washing water to the reverse osmosis pressure purification device, Regeneration filter for filtering the chemical residue of the washing water, A wastewater tank for storing the wastewater washed with the reverse osmosis water purification device, and Mobile water purifier with a backwash function, characterized in that consisting of a wastewater discharge pump for discharging the wastewater of the wastewater tank to the outside. The method of claim 1 or 2, wherein the control panel, Portable water purifier with a backwash function, characterized in that the switch for switching to the remote control mode using the Internet. In claim 3, And a device for injecting antiscalant drug for preventing adhesion of scale to water filtered through the microfilter. In claim 4, And a device for injecting a chemical for adjusting the pH of the purified water through the reverse osmosis water purification device.

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