KR101950246B1 - Portable membrane water purifying apparatus using for emergency - Google Patents

Abstract

The present invention relates to a washing machine comprising: a first filter unit for treating raw water supplied from the outside and discharging treated water; A second filter unit for purifying the treated water that is purified and discharged in the first filter unit and discharging the concentrated water; An air supply unit for supplying air used in the water treatment of the second filter unit; And a circulation pipe for circulating the concentrated water discharged from the second filter unit to the first filter unit. The first filter unit has a cylindrical shape and provides a space therein, and a spiral separation guide groove is formed on the inner circumferential surface thereof A raw water inflow pipe disposed at one side of the first filter body to allow raw water to be introduced into the first filter body to flow into the first filter body; A first unit filter disposed to be replaceable on the filter arrangement plate, a concentrated water discharge pipe disposed at an upper side of the first filter body and discharging the concentrated water processed inside the first filter body, A sludge discharge pipe disposed at a lower portion of the filter body to discharge the sludge separated by the separation guide and the first unit filter, And a plurality of injection holes for supplying the raw water to the first unit filter on the outer circumferential surface thereof are formed on the outer circumferential surface of the filter unit, The present invention provides an emergency portable membrane filtration and purification apparatus.
The present invention allows the filter to be easily replaced after a certain period of use of the filter, so that the backwashing and chemical cleaning process of the filter can be omitted, and the filter does not include components for backwashing and chemical cleaning, The first filter portion and the second filter portion are arranged in series and the concentrated water discharged from the second filter portion is circulated to the first filter portion inlet portion so as to be reprocessed, The recovery rate can be improved. In addition, the present invention has the function of removing the contaminants from the first filter unit and discharging the contaminants to a solid state, so that the waste water can be prevented from being generated.

Description

[0001] The present invention relates to a portable membrane filtration apparatus,

The present invention relates to an emergency mobile membrane filtration and purification apparatus, and more particularly, to an emergency water filtration and purification apparatus that is capable of continuous operation without generating wastewater by backwashing or chemical cleaning, The present invention relates to a new concept of an emergency mobile membrane filtration and purification apparatus capable of moving the membrane filtration system.

Recently, various weather phenomena due to global warming are happening. Korea has recently been suffering from serious water shortage due to continuous droughts in some areas and is making efforts to develop emergency water for each municipality such as alternative drinking water.

If the supply of drinking water is prolonged due to damage to the tap water supply pipe due to a disaster or the like, even if it is not caused by drought, it is necessary to immediately supply alternative drinking water.

Until now, local governments, factories or large apartment complexes have been used for potable water after chlorine injection or water quality inspection without special treatment using the emergency water supply facility.

However, it is difficult to say that the use of groundwater supplied from underground waters as drinking water simply by relying on chlorine injection or periodic water quality tests is still maintaining the stability of water quality standards.

Therefore, it can be easily applied immediately when drinking water is needed due to drought or disasters, can be operated easily and continuously while assuring a high level of water quality, and can be operated at a recovery rate of 100% It needs development.

In the case of a conventional membrane filtration and filtration system using a conventional membrane filtration method, the membrane performance is deteriorated when a certain amount of filtration operation is performed for a predetermined period of time. Therefore, in order to recover the membrane performance, the membrane is subjected to backwash and chemically enhanced backwash (CEBW) . ≪ / RTI >

 In order to perform the backwash and chemical cleaning of the filter, a separate apparatus is required, and it is necessary to install a separate wastewater treatment device for treatment of the wastewater generated during the chemical cleaning process. At this time, there is a problem that many faults occur due to frequent start / stop of the mechanical equipment (pump, compressor) in the stepwise processes such as filtration, backwash, rinsing and chemical cleaning.

However, since a large amount of water is required in a place where an emergency water supply is to be performed, such as a disaster area, an emergency mobile membrane filtration and purification device having a high water recovery rate is required. However, (CEBW; Chemically Enhanced Backwash), the recovery rate of the membrane in the filtration process is in the range of 85 ~ 95%.

Prior art to the present invention may be exemplified by the registration utility model 20-0292228.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an emergency removable membrane filtration and purification apparatus which can omit backwashing and chemical cleaning of a filter.

It is also an object of the present invention to provide an emergency mobile membrane filtration and purification system that does not include components for backwashing and chemical cleaning, thereby reducing management elements.

In the present invention, the first filter portion and the second filter portion are arranged in series, and the concentrated water discharged from the second filter portion is circulated to the first filter portion inlet portion for reprocessing, thereby improving the recovery rate of the raw water. And to provide a membrane filtration and purification apparatus.

It is another object of the present invention to provide an emergency portable membrane filtration and purification system in which the first filter unit is constituted by a full-volume filtration system and the second filter unit is constituted by a circulation filtration system.

According to an aspect of the present invention, there is provided a water treatment system comprising: a first filter unit for purifying raw water supplied from the outside and discharging treated water; A second filter unit for purifying the treated water that is purified and discharged in the first filter unit and discharging the concentrated water; An air supply unit for supplying air used in the water treatment of the second filter unit; And a circulation pipe for circulating the concentrated water discharged from the second filter unit to the first filter unit. The first filter unit has a cylindrical shape and provides a space therein, and a spiral separation guide groove is formed on the inner circumferential surface thereof A raw water inflow pipe disposed at one side of the first filter body to allow raw water to be introduced into the first filter body to flow into the first filter body; A first unit filter disposed to be replaceable on the filter arrangement plate, a concentrated water discharge pipe disposed at an upper side of the first filter body and discharging the concentrated water processed inside the first filter body, A sludge discharge pipe disposed at a lower portion of the filter body to discharge the sludge separated by the separation guide and the first unit filter, And a plurality of injection holes for supplying the raw water to the first unit filter on the outer circumferential surface thereof are formed on the outer circumferential surface of the filter unit, The present invention provides an emergency portable membrane filtration and purification apparatus.

And a buffer tank disposed between the first filter unit and the second filter unit and storing the treated water discharged from the first filter unit.

And a raw water supply pump for applying pressure to the raw water flowing into the raw water inflow pipe.

The concentrated water discharge pipe may circulate the concentrated water to the raw water inlet pipe.

And a sludge liquid collecting vessel for collecting the sludge liquid discharged through the sludge discharge pipe.

And a sludge liquid separator for separating the sludge from the sludge liquid collected in the sludge liquid collecting tank.

The sludge liquid separator may share power with the raw water supply pump.

The raw water inlet pipe may be arranged in a tangential direction of the first filter body.

A filter arrangement plate disposed with the plurality of filter arrangement cylinders and rotatably disposed inside the first filter body; a motor for rotating the filter arrangement plate in a direction opposite to the flow direction of the raw water through the raw water inlet pipe; As shown in FIG.

The first unit filter may include a micro filtration (MF) filter, an ultra filtration (UF) filter, and a Nano filtration (NF) filter.

The second filter unit may include a second filter body having a second inlet hole and a second outlet hole formed therein and providing a space therein, and a plurality of second filter bodies disposed in the second filter body, And an air inlet for supplying the air supplied from the air supply unit to the second unit filter.

The second unit filter includes a flow tube through which the fluid flows, a hollow fiber membrane disposed inside the flow tube to filter the fluid, a cup receiving one end of the hollow fiber membrane, a distribution plate on which the cup is seated, And a spray tube fixed to the lower surface of the cup so as to be interposed between the end portions of the hollow fiber membrane and having a through hole vertically passing therethrough to spray fluid between the hollow fiber membranes, And a plurality of second cups disposed along an outer circumferential surface of the first cup.

Wherein the distribution plate includes a support end having a first hole through which fluid can flow, a plurality of support protrusions fixed to the upper surface of the support end radially so as to be spaced apart from each other at an outer periphery of the first hole, And a fixing protrusion that is inserted into the fixing groove formed in the second cup.

The support protrusion may include a first support protrusion that is in contact with a lower surface of the first cup, and a second support protrusion that has a vertical surface that is in contact with a side surface of the first cup and a horizontal surface that is in contact with a lower surface of the second cup have.

As described above, the filter can be easily replaced after the filter is used for a certain period of time, and the backwashing and chemical cleaning processes of the filter can be omitted.

Further, since the present invention does not include components for backwashing and chemical cleaning, the management element can be reduced.

In the present invention, the first filter portion and the second filter portion are arranged in series, and the concentrated water discharged from the second filter portion is circulated to the first filter portion inlet portion for reprocessing, so that continuous operation is possible, Can be improved.

In addition, the present invention does not generate wastewater by the function of removing the contaminants from the first filter unit and discharging them in a solid state. Therefore, a separate wastewater treatment facility can be omitted.

1 is a view schematically showing a configuration of an emergency mobile membrane filtration and purification apparatus according to an embodiment of the present invention.
2 is a diagram showing an example of the configuration of the first filter unit used in the present invention.
Fig. 3 is a plan view showing an example of the configuration of the filter arrangement-passing filter arrangement plate shown in Fig. 2. Fig.
4 is a plan view showing the configuration of the first filter body, the raw water inlet pipe, and the process water outlet pipe shown in Fig.
5 is a cross-sectional view showing an example of the configuration of a separation guide included in the first filter unit shown in Fig.
6 is a diagram showing another example of the configuration of the first filter unit used in the present invention.
7 is a perspective view showing an example of the configuration of the second filter unit shown in Fig.
8 is a perspective view showing a configuration of the second unit filter shown in Fig.
9 is a side view showing a configuration of the second unit filter shown in Fig.
10 is a perspective view of the hollow fiber membrane, the first fixing module and the second fixing module of the second unit filter of FIG.
11 is a partial cross-sectional view of the hollow fiber membrane disposed in the second unit filter of Fig.
12 is a partial sectional view of AA of Fig.
13 is a top view of the second fixing module of FIG.
14 is a perspective view of the first fixing module of Fig.
15 is a plan view of the first securing module of Fig.
Figure 16 is a perspective view of the first cup of the first anchoring module of Figure 14;
Figure 17 is a perspective view of the second cup of the first securing module of Figure 14;
18 is a perspective view of the distribution plate of the first fixing module of Fig.
Figure 19 is a perspective view of the second securing module of Figure 10;
FIG. 20 is a view schematically showing a process in which raw water is purified in the second unit filter of FIG. 8. FIG.
21 is a photograph showing the detailed structure of a composite composite membrane to be applied to the hollow fiber membrane of the present invention.

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

1 is a view schematically showing a configuration of an emergency mobile membrane filtration and purification apparatus according to an embodiment of the present invention.

Referring to FIG. 1, an emergency mobile membrane filtration and purification apparatus 10 according to an embodiment of the present invention includes a first filter unit 100, a second filter unit 200, an air supply unit 300, and a circulation pipe 410 ). In addition, the emergency mobile membrane filtration and purification system (10) according to an embodiment of the present invention further includes a buffer tank (400).

2 is a diagram showing an example of the configuration of the first filter unit used in the present invention.

Referring to FIG. 2, the first filter unit 100 includes a first filter body 110, a filter arrangement cylinder 120, a first unit filter 130, and a collector pipe 117. The first filter unit 100 may further include a raw water supply pump 140 and a sludge liquid collecting tank 115.

The first filter body 110 is in the form of a cylinder having a predetermined size, the lower portion is conical and the inner portion is provided with a predetermined space.

On one side of the first filter body 110, there is disposed a raw water inlet pipe 112 into which concentrated water containing contaminants introduced from a raw water as a purified water object, a contaminant introduced from a circulation pipe described later is introduced, And a sludge liquid discharge pipe 114 through which a sludge liquid containing sludge separated from the raw water is discharged is connected to the lower portion. The sludge liquid discharge pipe 114 is preferably disposed on the central axis of the first filter body 110.

A plurality of filter arrangement cylinders 120 are disposed inside the first filter body 110, and a first unit filter 130, which will be described later, is disposed on the outer periphery.

The filter batch cylinder 120 has a predetermined size and a predetermined length and has a hexagonal cross-sectional shape, and is configured to be able to move raw water to the inside and the outside. Each of the plurality of filter arranging cylinders 120 is disposed so that its central axis is parallel to the central axis of the first filter body 110. The cross-sectional shape of the filter arranging cylinder 120 may be a hexagonal shape so that the surface area of the filter arranging cylinder 120 can be maximized.

One end of the filter placement cylinder 120 is disposed in the filter placement plate 122 and the other end is exposed in the upper portion of the filter placement plate 122 and the other end is located in the lower portion of the filter placement plate 122.

Fig. 3 is a plan view showing an example of the configuration of the filter arrangement-passing filter arrangement plate shown in Fig. 2. Fig.

3, the filter arrangement plate 122 is disposed inside the first filter body 110, and the filter arrangement cylinder 120 is fixed and fixed at regular intervals. The filter placement plate 122 is a circular plate having a predetermined diameter. The drive shaft of the first motor M1, which will be described later, may be connected to the center axis of the filter placement plate 122.

The first unit filter 130 is disposed on the outer circumference of the filter batch cylinder 120 so as to be interchangeable so that the sludge performs predetermined filtering on the separated raw water.

The first unit filter 130 is disposed outside the filter arrangement cylinder 120 so that the raw water flows into the filter arrangement cylinder 120 through the first unit filter 130 and is filtered.

As the first unit filter 130, a blade reinforcement membrane using an MF (micro filtration) filter, an UF (ultrafiltration) filter, an NF (Nano filtration) filter, or the like, as disclosed in Japanese Patent Laid-open No. 10-0639821, May be used. Further, various filtering members such as a nonwoven fabric, a filter cloth, and a cartridge filter may be used depending on the properties and quality of raw water to be treated.

The first unit filter 130 configured as described above can maintain the filtering performance by replacing the first unit filter 130 when the water purification performance is degraded by repeating the first water purification process.

Referring again to FIG.

The water collection pipe 117 connects each of the plurality of the filter arrangement cylinders 120 and the process water discharge pipe 116 so that the process water flowing into the filter arrangement case 120 is discharged through the process water discharge pipe 116 . The other end of the collecting pipe 117, which is connected to each of the filter batch cylinders 120, is commonly connected to the process water discharge pipe 116. Here, it is preferable that the connecting portion between the process water discharge pipe 116 and the collecting pipe 117 is rotatable so as to prevent twisting of the filter batch cylinder 120 during rotation.

4 is a cross-sectional view showing an example of the internal configuration of the first filter body shown in Fig. In FIG. 4, only the first filter body and the separation guide are illustrated for understanding the structure and operation of the separation guide 118 for improving the cleaning effect.

Referring to FIG. 4, a separation guide 118 is disposed inside the first filter body 110.

The separation guide 118 protrudes spirally along the inner circumferential surface of the first filter body 110. The separation guide 118 improves the occurrence of a cyclone effect on the raw water introduced through the raw water inlet pipe 112, thereby facilitating the separation of the substances contained in the raw water.

5 is a plan view showing the configuration of the first filter body, the raw water inlet pipe, and the process water outlet pipe shown in Fig.

5, the raw water inflow pipe 112 has its central axis tangential to the first filter body 110 so that raw water introduced through the raw water inflow pipe 112 flows into the first filter body 110 110, respectively.

The raw water moves along the inner circumferential surface of the first filter body 110 and thereby rotates about the central axis of the first filter body 110 to generate a cyclone effect, Particulate materials having a load and size greater than a certain level can be deposited on the inner lower portion of the first filter body 110.

In order to improve the cleaning effect, a plurality of filter arranging tubes 120 are rotated with respect to the center axis of the first filter body 110, and a plurality of filter arranging tubes 120 are disposed on the inner circumferential surface of the first filter body 110, As shown in Fig.

To this end, the drive shaft of the first motor M1 may be connected to the center of the filter placement plate 122.

The raw water supply pump 140 applies a predetermined pressure to the raw water supplied through the raw water inlet pipe 112 so that the raw water can move along the separation guide 118.

The sludge liquid collecting tank 115 collects the sludge liquid discharged through the sludge liquid discharge pipe 114 as a container having a predetermined size. The sludge liquid is a foreign matter separated from the raw water in the first filter body 110 and contains predetermined moisture as a sludge having a predetermined particle size.

The separating unit 150 separates the sludge and moisture from the sludge liquid collected by the sludge collecting tank 115. The separation unit 150 discharges the separated sludge in the form of a cake, and the separated moisture is discharged as waste water. Here, the discharged wastewater can be reintroduced into the first filter body 110 through the raw water inlet pipe 112.

The separating unit 150 separates the sludge and moisture by rotating the sludge liquid in a predetermined mesh network. The separator 150 may be configured to store the sludge liquid in a predetermined container, rotate the same, and separate the sludge and moisture by a centrifugal force, as in the conventional dehydrator. As described above, if the sludge and moisture can be separated from the sludge liquid, the separating unit 150 can use various configurations according to the needs of the user.

The driving force required for the operation of the separating unit 150 is generated by disposing a predetermined gear that connects the driving shaft of the second motor M2 for operating the raw water supply pump 140 and the driving unit of the separating unit 150, So that the pump 140 and the separator 150 can share the power.

On the other hand, the first filter unit may be configured as follows.

6 is a diagram showing another example of the configuration of the first filter unit used in the present invention.

Referring to FIG. 6, the first filter unit 100A includes a first filter body 110A, a filter arrangement plate 122, and a first unit filter 130A. The first filter unit 100A may further include a raw water supply pump 140, a sludge liquid collecting tank 115, and a concentrated water discharge pipe 119.

The detailed description of the same configuration as the previous embodiment will be omitted and only differences will be described.

The lower part of the first filter main body 110A is formed so that one side is inclined lower than the other side and the sludge liquid discharge pipe 114 is connected to the lower end.

A separation guide groove 118A is formed on the inner peripheral surface of the first filter main body 110A.

The separation guide groove 118A is formed in a spiral shape along the inner circumferential surface of the first filter body 110 to have a predetermined width and depth. The separation guide groove 118A improves the occurrence of a cyclone effect on the raw water introduced through the raw water inlet pipe 112, thereby facilitating the separation of the substances contained in the raw water. In this embodiment, the separating guide groove 118A is formed in the shape of a 'V' in section, but may be changed according to the needs of the user.

The filter arrangement plate 122A is disposed inside the first filter body 110A and a plurality of first unit filters 130A described later are fixed to the lower portion of the filter arrangement plate 122A. The filter placement plate 122A is a circular plate having a predetermined diameter.

The first unit filter 130A is disposed at a lower portion of the filter arrangement plate 122 to perform predetermined filtering with respect to the raw water introduced through the raw water inlet pipe 112. [

The first unit filter 130A may be a blade filter using a microfiltration (MF) filter, an ultrafiltration (UF) filter, a nano filtration (NF) filter, or the like as disclosed in Japanese Patent Application Laid-open No. 10-0639821 May be used. Further, various filtering members such as a nonwoven fabric, a filter cloth, and a cartridge filter may be used depending on the properties and quality of raw water to be treated.

The first unit filter 130A can maintain the filtering performance by replacing the first unit filter 130A with a new filter if the water purification performance is degraded by repeating the first water purification process.

Here, it is preferable that a predetermined weight (not shown) is connected to the lower end of the first unit filter 130A so that the first unit filter 130A can be maintained in a state in which the first unit filter 130A is hanged from the upper part to the lower part Do. Other components may be used as long as the first unit filter 130A can be held in a suspended state.

The washing tub 124 moves downward along the first unit filter 130A and moves the filtered raw water upward. The cleansing tube 124 is connected from the inner lower part of the first filter body 110A to the inner upper side. At this time, the cleansing tube 124 is bent in the middle, and its end is connected to the concentrated water discharge pipe 119.

A plurality of injection holes 126 are formed on the outer circumferential surface of the washing tub 124 so that raw water flowing upward along the washing tub 124 is injected into the first unit filter 130A through the injection hole 126 To be filtered again. The raw water injected into the first unit filter 130A through the injection hole 126 is moved downward along the first unit filter 130A and is filtered and then moved upward through the tubing 124. [

The concentrated water discharge pipe 119 has its end connected to the raw water inlet pipe 112 so that the concentrated water moving through the washing pipe 124 can be re-introduced into the first filter main body 110A through the raw water supply pump 140 .

 The concentrated water discharge pipe 119 connects the treated water discharge pipe 116 and the raw water inflow side so that a part of the treated water discharged through the treated water discharge pipe 116 can be introduced into the raw water inflow pipe 112.

Referring again to FIG.

The second filter unit 200 receives the first treated water discharged and purified by the first filter unit 100, and performs the second purified water treatment. At this time, in order to improve the efficiency of the water treatment, fine bubbles are supplied from the air supplying unit 300 described later.

Here, the second water purification treatment is a water purification treatment which further removes contaminants (0.1 to 0.01 μm or more in size) that are not filtered by the first filter unit 100 and removes water-borne viruses in the water .

7 is a perspective view showing an example of the configuration of the second filter unit shown in Fig.

Referring to FIGS. 1 and 7, the second filter unit 200 includes a second filter body 202 and a second unit filter 210.

The second filter body 202 has a predetermined size and includes a second unit filter 210 to be described later. The second filter body 202 may be formed with an inlet hole through which water purified by the first filter section flows and a discharge hole through which water purified by the second unit filter, which will be described later, is discharged.

8 and 9 are a perspective view and a side view showing the configuration of the second unit filter shown in Fig.

The second unit filter 210 includes a flow pipe 220, a hollow fiber membrane 230, a first fixing module 240, and a second fixing module 250.

The first connector 221 and the second connector 222 may be installed at both ends of the flow tube 220.

The first connector 221 provides a passage through which the raw water and air can flow into the flow pipe 220, respectively. The second connector 222 provides a passage through which purified water can be discharged, and a passage through which air and unfiltered concentrated water and pollutants can be simultaneously discharged.

That is, the first connector 221 is installed at the lower end of the flow pipe 220 to supply raw water and air, which are introduced from a raw water supply pipe 70 for supplying the raw water and a supply pipe (not shown) (220).

For this purpose, a raw water inlet 221a communicating with the raw water supply pipe is formed at one side of the first connector 221, and an air inlet 221b communicating with the air supply pipe is formed at the other side of the first connector 221 .

The raw water flowing into the raw water inlet 221a and the air flowing into the air inlet 221b are moved from the lower side to the upper side of the flow pipe 220 while being mixed with each other.

The air mixed with the raw water in the flow tube 220 swells as the droplet moves upward to prevent the adhesion of contaminants between the hollow fiber membranes 230, Remove the material and allow the contaminants to float with the raw water.

The second connector 222 includes the treated water filtered in the hollow fiber membrane 230, the concentrated water not filtered in the hollow fiber membrane 230, the air flowing upward from the lower side of the flow tube 220, To the outside.

To this end, a process water outlet 222a for guiding the process water to the process water outlet pipe 280 is formed at one side of the second connector 222. A fluid outlet 222b for discharging a fluid (hereinafter referred to as a 'mixed fluid') into which the concentrated water and air are mixed is discharged to the circulation pipe 410 at the other side of the second connector 222.

The treated water outlet pipe 280 for discharging the treated water to the outside communicates with the treated water outlet 222a and the contaminated water discharge pipe 290 for discharging the mixed fluid to the outside communicates with the fluid outlet 222b. The polluted water discharge pipe 290 and the fluid discharge port 222b may be connected to each other through the sub pipe 285. [

FIG. 10 is a perspective view of the hollow fiber membrane, the first fixing module and the second fixing module of the second unit filter of FIG. 8, FIG. 11 is a partial cross-sectional view of the hollow fiber membrane disposed in the second unit filter of FIG. 8, 10 is a partial cross-sectional view taken along line AA of FIG. 10, and FIG. 13 is a view of the second fixed module of FIG. 10 viewed from above.

11 to 13, the hollow fiber membrane 230 is installed inside the flow pipe 220 to filter the raw water introduced from the first connector 221.

Both ends of the hollow fiber membrane 230 are fixed by the first fixing module 240 and the second fixing module 250, respectively. The first fixing module 240 may be installed on the lower side of the flow pipe 220 or on the first connector 221. The second fixing module 250 may be installed on the upper side of the flow tube 220 or on the second connector 222.

The first fixing module 240 fixes one end of the hollow fiber membrane 230, that is, the lower end of the hollow fiber membrane 230 so that the treated water hole 230a formed in the hollow fiber membrane 230 is shielded from the outside .

More specifically, the process water hole 230a is blocked by the first fixing module 240 from the raw water inlet 221a and the air inlet pipe 310 side. That is, the first fixing module 240 can prevent the unfiltered raw water and the air introduced from the raw water inlet 221a and the air inlet pipe 310 from flowing into the treatment water hole 230a.

The second fixing module 250 is installed on the upper portion of the flow pipe 220. The second fixing module 250 fixes the other end of the hollow fiber membrane 230, that is, the upper end of the hollow fiber membrane 230 so that the treatment water hole 230a communicates with the treated water outlet 222a side.

The raw water introduced from the first connector 221 can be filtered while passing through the hollow fiber membrane 230 in the outer space 230b of the hollow fiber membrane 230 and flowing into the treated water hole 230a.

The treated water inside the treated water hole 230a generated by the raw water passing through the hollow fiber membrane 230 moves to the treated water outlet pipe 280 through the treated water outlet 222a of the second connector 222 Can be discharged.

At this time, the treated water to be discharged may be supplied directly to the user, and may be stored for a long period of time by a separate water treatment.

Meanwhile, the hollow fiber membrane 230 can be made of a polymer material such as PP (polypropylene), PE (polyethylene) PSF (polysulfone), PES (polyether sulfone), PVDF (polyvinylidene fluoride)

14 is a perspective view of the first fixing module of Fig. 10, Fig. 15 is a plan view of the first fixing module of Fig. 14, Fig. 16 is a perspective view of the first cup of the first fixing module of Fig. 14, 14 is a perspective view of the second cup of the first fixing module, and FIG. 18 is a perspective view of the distribution plate of the first fixing module of FIG.

Referring to FIGS. 13 to 17, the first fixing module 240 includes a lower cup 241, a lower portion plate 242, and a spray tube 243. The first fixing module 240 may be referred to as a 'hollow fiber membrane fixing module,' and the lower cup 241 may be referred to as a 'cup.' The lower partial plate 242 may be referred to as a distribution plate.

One end of the hollow fiber membrane 230 is accommodated in the lower cup 241. The treatment water hole 230a formed at one end of the hollow fiber membrane 230 may be shielded from the outside by the lower surface of the lower cup 241.

The lower cup 241 may include the first cup 411 and a plurality of second cups 412.

The plurality of second cups 412 are arranged along the outer circumferential surface of the first cup 411 and the first cups 411 are arranged in an inner space formed by the arrangement of the plurality of second cups 412 do.

The first cup may include a first surface 4111 and a second surface 4112.

The first side is seated in the lower portion plate 242.

The second surface 4112 extends upward from the outer periphery of the first surface 4111 and forms a first space 411a into which the one end of the hollow fiber membrane 230 can be inserted.

One end of the hollow fiber membrane 230 is fixed to the cup by an adhesive filled in the first cup 411.

A first wrinkle may be formed on the inner surface of the first cup 411 to increase the adhesive force of the adhesive. That is, the first space 411a is improved. At least two first wrinkles 4113 are formed on the inner surface of the second surface 4112.

The lines of the first wrinkles 4113 may be formed in a vertical direction.

When a row of the first corrugations 4113 is formed in the vertical direction, the liquid adhesive can flow downward along the first corrugations 4113 formed in the upper and lower portions, and an adhesive is applied to the first spaces 411a When injected, bubbles can be prevented from being generated inside the adhesive.

The lines of the first corrugation 4113 may be formed in a direction (not shown) perpendicular to the up and down direction. When the line of the first wrinkles 4113 is formed in the vertical direction, the frictional force between the adhesive and the inner surface of the second surface 4112 can be increased, and by the contraction of the hollow fiber membrane 230, One end of the hollow fiber membrane 230 can be prevented from being separated from the first cup.

In addition, the row of the first corrugations 4113 may be formed to be inclined in the vertical direction. When the line of the first fold 4113 is formed in the inclined direction, it is possible to prevent air bubbles from being generated in the adhesive when the adhesive is injected into the first space 411a, The frictional force with the inner surface of the second surface 4112 can be increased.

On the other hand, the outer surface of the first surface 4111 is preferably circular. In this case, the first cup 411 is formed into a substantially cylindrical shape by the first surface 4111 constituting the bottom surface of the circular shape and the second surface 4112 extending upward from the first surface 4111 Lt; / RTI >

The second cup 412 may include a third surface 4121 and a fourth surface 4122, respectively.

The third surface 4121 is curved at one corner so as to be disposed adjacent to the first surface 4111 of the first cup 411 or the second surface 4112 of the first cup 411, And is seated in the lower partial plate.

The fourth surface 4122 extends upward from the outer periphery of the third surface 4121 and forms a second space 412a therein. The fourth surface 4122 has a second surface 4112a, which faces the second surface 4112 of the first cup 411, Respectively.

More specifically, a portion of the fourth surface extending upward from the curved portion of the third surface may be in a curved shape and closely contacted with the second surface of the first cup.

However, the outer surface of the first surface 4111 is not limited to a circular shape, and may have various shapes such as a polygonal shape. As a result, a portion of the fourth surface 4122 may have a plurality of curved surfaces.

When the second cup 412 is arranged to form a circular space therein, the first cup may be disposed in a circular space formed by the second cup.

It is preferable that four to six second cups 412 are arranged in a circular shape.

If the number of the second cups is less than three, the internal space of the second cup is widened, and the adhesive solidified in the second cup is broken.

When the number of the second cups 412 is seven or more, the inner space of the cup is narrowed, so that it is difficult to fix the injection tube 243 to the second cup. When the diameter of the injection tube 243 is small There is a problem.

As with the first cup, the second cup may have at least two second wrinkles on the inner surface of the fourth surface for enhancing the adhesive force of the adhesive.

The row of the second corrugations 4123 may be formed in the vertical direction, the vertical direction, or the inclined direction.

Therefore, the second wrinkle 4123 may have the same effect as the first wrinkle.

The lower partial plate 242 may include a support end 421, a support protrusion 422, and a fixing protrusion 422.

A first hole 421a through which fluid can flow is formed in the support end 421. The upper surface of the supporting end may be inclined downward toward the first hole 421a.

A fluid inlet pipe 424 is fixed to the lower surface of the supporting end so as to communicate with the first hole 421a. The raw water introduced from the fluid inlet pipe 424 may flow to the first cup and the second cup side through the first hole 421a.

The support protrusions 422 are radially spaced apart from the outer periphery of the first hole to be fixed to the upper surface of the support end.

Each of the support protrusions 422 may include a first support protrusion 4221 and a second support protrusion 4222.

The lower surface of the first cup is seated on the first support protrusion. The second support protrusion 4222 is connected to an upper surface of the first support protrusion 4221 and is connected to a vertical surface 4222a contacting the side surface of the first cup 411 and the vertical surface, And a horizontal surface 4222b on which the lower surface of the frame 4222b is seated.

That is, the first cup 411 is supported by the upper surface of the first support protrusion 4221 and the side surface of the second support protrusion 4222, and the second cup 412 is supported by the second support protrusion 4222 As shown in Fig.

At least two fixing protrusions 423 are formed on the outer periphery of the supporting end and are disposed apart from each other. And is inserted into the fixing groove 412b formed in the second cup.

Therefore, the second cup can be fixed in a state of being seated on the upper surface of the second supporting protrusion by the fixing protrusion.

One end of the spray tube is fixed to an inner bottom surface of the lower cup and the other end is exposed to an upper portion of the lower cup.

Through holes (431a, 432a) through which fluid can flow are formed in the spray tube (243). And a connection hole communicating with the through hole is formed on a lower surface of the lower cup on which the injection tube is fixed.

The fluid flowing into the upper surface of the lower partial plate 242 can flow through the connection holes and the through holes and into the hollow fiber membranes.

When air flows into the through hole of the spray tube 243, the air passing through the spray tube moves to the space between the hollow fiber membranes to remove the contaminants attached to the hollow fiber membrane, The outer surface of the hollow fiber membrane can be prevented from adhering to each other.

The spray tube 243 may include a first spray tube 431 fixed to the first cup 411 and a second spray tube 432 fixed to the second cup 412. A first through hole 431a may be formed in the first injection pipe 431 and a second through hole 432a may be formed in the second injection pipe 432.

When the diameter D1 of the end of the first through hole of the first injection pipe 431 is larger than the diameter D2 of the end of the second through hole of the second injection pipe, It is possible to effectively remove contaminants between the hollow fiber membranes 230.

The spray tube 243 may have a shape that narrows from the lower part toward the upper part. Accordingly, the diameters of the first and second through holes may be larger than the upper side.

Accordingly, the air passing through the first and second through holes from the lower side to the upper side is accelerated, and the contaminants between the hollow fiber membranes can be effectively removed.

The water purification apparatus may further include a separation frame 260.

An insertion space through which the lower cup 241 or the lower portion plate 242 is inserted is formed in the spacer frame 260. A plurality of spaced apart projections are formed on the outer circumference of the spacer frame to contact the inner surface of the flow tube through which the fluid flows.

The lower cup may be inserted into the insertion space of the spacer frame and be supported by the spacer frame.

The raw water and the air may flow through a space between the plurality of spaced apart projections and the inner surface of the flow tube. The spaced apart projections may further mix the raw water and air by the impact of the raw water and the air.

Figure 19 is a perspective view of the second securing module of Figure 10;

Referring to FIG. 19, the second fixing module 250 may include an upper cup 251 and a fixing frame 252.

The upper cup 251 receives the upper end of the hollow fiber membrane 230. The upper frame 251 is seated on the fixed frame 252.

The upper cup 251 is vertically penetrated in a tubular shape. The hollow fiber membrane is fixed to the inside of the upper cup by an adhesive.

The treated water hole (230a) of the hollow fiber membrane communicates with the produced water outlet (222a).

Treated water inside the treated water hole 230a of the hollow fiber membrane can be discharged to the upper side of the upper cup 251. [ The treated water discharged from the treated water hole of the hollow fiber membrane 230 can be moved to the treated water outlet pipe through the treated water outlet of the second connector.

The second fixing module may divide an internal space of the second connector into a first area S1 connected to the produced water outlet and a second area S2 connected to the fluid outlet.

Since the first zone S1 is communicated with the treatment water hole 230a of the hollow fiber membrane 230, the first zone S1 is formed in the first zone S1, Only process water can flow.

The mixed fluid in the second zone S2 is blocked by the second fixing module 250 to the first zone and flows into the contaminated water discharge pipe 290 through the fluid outlet 222b. do.

The upper end of the hollow fiber membrane 230 may be fixed to the upper cup 251 by an adhesive filled in the upper cup 251.

Fixing films 5112 and 5122 protruding inward may be provided on the inner surface of the upper cup 251.

The upper cup 251 may include a third cup 511 and a plurality of fourth cups 512.

A plurality of fourth cups 512 are disposed along the outer circumferential surface of the third cup 511 and the third cup 511 is disposed in an inner space formed by the arrangement of the plurality of fourth cups 512 .

As in the first cup and the second cup, a third corrugation 5111 may be formed in the third cup, and a fourth corrugation 5121 may be formed in the fourth cup. The third wrinkle and the fourth wrinkle can increase the adhesive force of the adhesive.

The second cup is disposed above and below the first cup and the third cup, the other part of the hollow fiber membrane facing the first cup, Connect the fourth cup.

FIG. 20 is a view schematically showing a process in which raw water is purified in the second unit filter of FIG. 8. FIG.

The raw water supplied through the raw water supply pipe flows into the raw water inlet of the first connector 221. At the same time, the air supplied through the air supply pipe flows into the air inlet of the first connector.

The raw water introduced through the raw water inlet and the air inlet of the first connector are mixed inside the first connector.

The mixed fluid in which the raw water and air are mixed flows out of the hollow fiber membrane through a space between the spray tube and the plurality of spaced apart projections and the inner surface of the flow tube.

At this time, the air inside the mixed fluid may prevent contaminants from accumulating in the hollow fiber membranes or may flood the contaminants accumulated in the hollow fiber membranes.

That is, the air contained in the mixed fluid discharged to the hollow fiber membrane through the spray pipe flows from the lower central portion of the flow pipe toward the upper outer periphery of the flow pipe, thereby floating the contaminants accumulated in the hollow fiber membranes have.

The polluted water is discharged to the polluted water discharge pipe through the fluid outlet of the second connector through the second area together with the concentrated water, and the polluted water discharged through the polluted water discharge pipe flows through the circulation pipe to the first filter unit Flow.

21 is a photograph showing the detailed structure of the composite composite membrane applied to the hollow fiber membrane 230 of the present invention.

The braided composite membrane shown in FIG. 21 has a restoring force in the form of a sponge due to the phenomenon of compaction of the membrane due to pressurization operation, and performance can be maintained for a long period of time without performing another back washing.

In addition to the hollow fiber membrane 230, various configurations may be used if the second purification process is performed.

Referring again to FIG. 1, the air supply unit 300 supplies air to the second filter unit 200. Here, it is preferable that fine air bubbles (for example, 0.015 mu m in diameter) are included in the air supplied by the air supply part 300. [

The air supply unit 300 supplies air to the second filter unit 200 to prevent contaminants from adhering to the second filter unit or to remove contaminants from the second filter unit 210 I will.

The circulation pipe 410 circulates the concentrated water and pollutants in the second filter unit 200 to the first filter unit 100 So that the pollutants can be reprocessed in the first filter unit 100 and discharged to the outside. Since the concentrated water is not discharged due to the circulation of the concentrated water by the circulation pipe 410, the recovery rate of 100% can be achieved.

In addition, in the water purification apparatus according to the present embodiment, a separate backwashing process for the second filter unit is required by collecting the contaminants of the second filter unit together with the concentrated water to the first filter unit and discharging it to the outside .

In addition, the water purifier according to the present embodiment has a simple operation condition that does not require a mechanical on / off operation because continuous operation without a separate backwashing process is possible and maintains maintenance by frequent on / And the efficiency of management can be improved.

A buffer tank 400 is disposed between the first filter unit 200 and the second filter unit 200.

The buffer tank 400 may temporarily store the first treated water discharged from the first filter unit 100.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

10: Emergency mobile membrane filtration water purification device
100, 100A: first filter unit 200: second filter unit
300: air supply unit 400: buffer tank
410: Circulation tube

Claims (14)

A first filter body having a cylindrical shape and providing a space therein and having a helical separation guide groove formed on an inner peripheral surface thereof; a first filter body disposed at one side of the first filter body, A filter discharge plate disposed inside the first filter body, and a filter disposed on the other side of the first filter body, A plurality of first unit filters arranged to be interchangeably arranged in the first filter body, a plurality of filter arrangements arranged on the outer periphery of the first filter body in which the first unit filters are arranged, A concentrated water discharge pipe through which the concentrated water processed in the first filter body is discharged; And a sludge discharge pipe for discharging the sludge separated by the first unit filter, and a sludge discharge pipe for discharging the sludge separated by the first unit filter, one end of the sludge discharge pipe being arranged in the lower part of the inside of the filter arranging cylinder and the other end being connected to the process water discharge pipe in the upper part of the filter arranging cylinder, A first filter unit including a cleaning tube having a plurality of injection holes for supplying the raw water to the first unit filter, the first filter unit treating the raw water supplied from the outside and discharging the treated water;
A second filter unit for purifying the treated water that is purified and discharged in the first filter unit and discharging the concentrated water;
An air supply unit for supplying air used in the water treatment of the second filter unit;
A circulation pipe for circulating the concentrated water discharged from the second filter unit to the first filter unit;
A raw water supply pump for applying pressure to the raw water flowing into the raw water inlet pipe;
A sludge collecting tank for collecting the sludge discharged through the sludge discharge pipe; And
And a sludge liquid separator for separating the sludge from the sludge liquid collected in the sludge liquid collecting tank. The method according to claim 1,
And a buffer tank disposed between the first filter unit and the second filter unit and storing the treated water discharged from the first filter unit. delete The method according to claim 1,
Wherein the concentrated water discharge pipe
And the concentrated water is circulated to the raw water inflow pipe.
delete delete The method according to claim 1,
Wherein the sludge liquid separator comprises:
An emergency mobile membrane filtration and purification device sharing power with the raw water supply pump. The method according to claim 1,
Wherein the raw water inflow pipe comprises:
Wherein the filter is disposed in a tangential direction of the first filter body. 9. The method of claim 8,
A filter arrangement plate in which the plurality of filter arrangement cylinders are disposed and rotatably arranged inside the first filter body,
And a motor for rotating the filter arrangement plate in a direction opposite to a flow direction of the raw water through the raw water inlet pipe. The method according to claim 1,
Wherein the first unit filter comprises:
An emergency mobile membrane filtration and purification device comprising any one of a microfiltration (MF) filter, an ultrafiltration (UF) filter, and a NF (Nano filtration) filter. The method according to claim 1,
The second filter unit includes:
A second filter body formed with a second inlet hole and a second outlet hole and providing a space therein;
A second unit filter disposed in the second filter body to perform a second water treatment on the treated water,
And an air inlet for supplying the air supplied from the air supply unit to the second unit filter. 12. The method of claim 11,
Wherein the second unit filter comprises:
A flow tube through which the fluid flows,
A hollow fiber membrane disposed inside the flow tube to filter the fluid,
A through hole is formed in the inside of the cup so as to be interposed between the cup on which the one end of the hollow fiber membrane is accommodated and the one end of the distribution plate on which the cup is seated and one end of the hollow fiber membrane, And a jetting tube for jetting between the hollow fiber membranes,
Wherein the cup includes a first cup and a plurality of second cups disposed along an outer circumferential surface of the first cup. 13. The method of claim 12,
The distribution plate includes a support stage having a first hole through which a fluid can flow,
A plurality of support protrusions fixed to the upper surface of the support end in a radial manner so as to be spaced apart from each other at an outer periphery of the first hole, a fixing protrusion fixed to the outer periphery of the support end and being inserted into a fixing groove formed in the second cup, Wherein the membrane filter is a membrane filter. 14. The method of claim 13,
The support protrusion includes a first support protrusion that is in contact with a lower surface of the first cup, and a second support protrusion that has a vertical surface that is in contact with a side surface of the first cup and a horizontal surface that is in contact with a lower surface of the second cup. Portable membrane filtration purification device.

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