WO2013105795A1 - 중공사 막 모듈 - Google Patents

중공사 막 모듈 Download PDF

Info

Publication number
WO2013105795A1
WO2013105795A1 PCT/KR2013/000201 KR2013000201W WO2013105795A1 WO 2013105795 A1 WO2013105795 A1 WO 2013105795A1 KR 2013000201 W KR2013000201 W KR 2013000201W WO 2013105795 A1 WO2013105795 A1 WO 2013105795A1
Authority
WO
WIPO (PCT)
Prior art keywords
hollow fiber
fiber membrane
membrane module
diffuser
air
Prior art date
Application number
PCT/KR2013/000201
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
김도희
김상윤
계정일
김민정
김종덕
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020120003548A external-priority patent/KR101908704B1/ko
Priority claimed from KR1020130001445A external-priority patent/KR102097616B1/ko
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to CN201380003360.0A priority Critical patent/CN103889558B/zh
Publication of WO2013105795A1 publication Critical patent/WO2013105795A1/ko

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/26—Specific gas distributors or gas intakes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters

Definitions

  • the present invention relates to a hollow fiber membrane module, and more particularly, to a hollow fiber membrane module that can easily remove contaminants in the upper region of the hollow fiber membrane.
  • membrane technology is a type of separation technology that utilizes material selective permeation properties of polymeric materials.
  • Existing membranes are of various types, such as spiral wound, tubular, hollow, and plate and frame.
  • the hollow fiber type uses a hollow tube having a diameter of 0.2 to 2 mm and a hollow hollow tube, the ratio of the membrane area per unit volume is relatively higher than that of the other types, resulting in higher productivity.
  • Hollow fiber membrane is formed into a bundle of hollow fiber modules.
  • immersion hollow fiber membrane modules are used by directly immersing them in a tank of fluid to be treated.
  • FIG. 1 is a view showing a conventional immersion hollow fiber membrane module.
  • the conventional hollow fiber membrane module includes a hollow fiber membrane 10 having a hollow 12 therein, a support 20 coupled to a lower end of the hollow fiber membrane 10, and the hollow fiber membrane
  • the collector 30 is coupled to the upper end of the 10.
  • a support 40 for connecting the support 20 and the collector 30 is provided between the support 20 and the collector 30.
  • the support portion 20 is provided with an outlet hole, a nozzle, an air diffuser or an air hole 22 (hereinafter, referred to as an “acid hole 22") through which air flows.
  • Air flowing out through the acid pores 22 moves to the upper region to shake the hollow fiber membrane 10 so that contaminants on the surface of the hollow fiber membrane 10 are removed from the surface of the separator.
  • an object of the present invention is to provide a hollow fiber membrane module capable of suppressing the occurrence of contamination of the upper region of the hollow fiber membrane.
  • another object of the present invention is to provide a hollow fiber membrane module that can suppress air from escaping to the outside of the hollow fiber membrane module.
  • the hollow fiber membrane A support part provided at a lower end of the hollow fiber membrane; A collector provided at an upper end of the hollow fiber membrane; An extension tube extending upwardly from the support portion; And an air diffuser unit spaced apart from an upper side of the support to diffuse air into an upper region of the hollow fiber membrane.
  • the diffuser unit may be configured to include an upper diffuser unit having a plurality of diffuser pores distributed corresponding to the upper region of the hollow fiber membrane.
  • the upper diffuser unit may include a porous diffuser provided in the upper region of the extension tube.
  • the porous diffuser may be detachably coupled to the extension tube.
  • the porous diffuser may be configured with a plurality of acid pores.
  • the acid pores may be formed to be open toward the lower side.
  • An end portion of the porous diffuser may be detachably provided.
  • the porous diffuser may be spaced apart along the circumferential direction or the vertical direction of the extension tube.
  • It may be configured to further include a circular tube wrapped around the hollow fiber membrane.
  • the extension pipe may be composed of a plurality.
  • the acid pores may be formed through the extension tube.
  • the extension tube may be configured to be concentrically coupled with the collector.
  • the outer diameter of the extension tube may be configured to be formed to 50% or less of the outer diameter of the collector.
  • the acid pores may be configured to include first acid pores, second acid pores, and third acid pores spaced up and down.
  • the first acid pores, the second acid pores and the third acid pores may be configured to have diameters of different sizes.
  • a partition wall may be provided to partition the interior of the extension pipe into different spaces, and the air supply pipe may be connected to the space partitioned by the partition wall.
  • the acid pores may be formed above the half (H / 2) of the height (H) of the extension pipe.
  • the collector may be connected to the pump so that the suction force can act.
  • the diffuser unit may include a lower diffuser unit having an diffuser formed in the support unit.
  • the present invention by installing an diffuser in the upper region of the hollow fiber membrane, it is possible to alleviate the contamination phenomenon occurred in the upper region of the immersion hollow fiber membrane module, compared to the prior art. At this time, the increase in operating cost due to the air injection can be offset by reducing the amount of air injection in the existing lower end and the additional air inlet to the upper end.
  • the number of diffusers can be properly adjusted according to the pollution and operating conditions of the raw water, thereby effectively removing the contamination of the upper region of the hollow fiber membrane.
  • the diffuser can be easily detached, thereby facilitating cleaning of the diffuser.
  • the extension pipe can form bubbles (air bubbles) of various sizes by having the acid pores having a diameter of a different size to effectively remove contaminants (particles) of various sizes from the surface of the hollow fiber membrane.
  • the acid pores of the extension tube is formed on the upper side of the half (H / 2) of the height (H) of the extension tube can effectively remove the contamination of the upper region of the hollow fiber membrane.
  • the acid pattern can be further diversified to more effectively remove contaminants in the hollow fiber membranes. have.
  • FIG. 1 is a view showing a conventional immersion hollow fiber membrane module
  • FIG. 2 is a perspective view of an immersion hollow fiber membrane module according to an embodiment of the present invention
  • FIG. 3 is an enlarged view of the porous diffuser region of FIG. 2;
  • FIG. 10 is a side view of a hollow fiber membrane module according to another embodiment of the present invention.
  • 11 and 12 are diagrams illustrating a modification of the diffuser of FIG. 10, respectively.
  • FIG. 13 and 14 are diagrams illustrating a modification of FIG. 10.
  • first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
  • first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.
  • the hollow fiber membrane module according to an embodiment of the present invention, the hollow fiber membrane 110; A support part 120 provided at a lower end of the hollow fiber membrane 110; A collector 130 provided at an upper end of the hollow fiber membrane 110; An extension pipe 140 extending upward from the support part 120; And an air diffuser unit 119 spaced apart from the support 120 to diffuse air into the upper region of the hollow fiber membrane 110.
  • the hollow fiber membrane 110 may be implemented in a bundle of a predetermined number.
  • the support 120 may be provided at the lower end of the hollow fiber membrane 110.
  • the collector 130 may be provided at an upper end of the hollow fiber membrane 110.
  • the diffuser unit 119 may include an upper diffuser unit 149 having a plurality of diffuser pores distributed corresponding to the upper region of the hollow fiber membrane 110.
  • the upper diffuser unit 149 may be configured to include a porous diffuser 150 provided in the upper region of the extension tube 140.
  • the porous diffuser 150 may be composed of a plurality.
  • a plurality of nozzles or acid pores 125 (hereinafter, referred to as "acid pores 125") are installed above the support part 120.
  • an air inlet 127 for introducing the air may be provided under the support 120.
  • the hollow fiber membrane 110 is loosely stretched so as to be shaken down and up by air injected from the acid pores 125 to drop contaminants (cake layers) formed on the surface of the membrane.
  • the collector 130 is coupled to each hollow fiber membrane 110 and collects (withdraws) the permeated water exiting each hollow fiber membrane 110.
  • the pump 132 is connected to the upper end of the collector 130 may be forced to suction or pressurized permeate. That is, the permeated water that has passed through the hollow fiber membrane 110 may be discharged by suction of the pump 132 connected to the collector 1300.
  • the extension tube 140 may be installed on the support part 120 in a direction parallel to the hollow fiber membrane 110.
  • the extension tube 140 is connected to the air inlet 127 connected to the lower portion of the support 120.
  • the air inlet 127 may include a compressor (not shown) or a blowing fan (not shown) for supplying air.
  • the porous air diffuser (air diffuser) 150 is fastened in a direction perpendicular to the extension pipe 140 in the upper side position of the hollow fiber membrane (110).
  • the extension tube 140 and the porous diffuser 150 may be screwed.
  • the extension tube 140 may be formed with a hole having a screw thread, and a thread line may be formed on an outer circumferential surface of one end of the porous diffuser 140.
  • the plurality of pores 151 may be formed in the porous diffuser 150.
  • the plurality of pores 151 may be formed in various sizes so that air of various sizes may be injected, thereby removing particulate matter of various sizes attached to the hollow fiber membrane 110.
  • the plurality of pores 151 may be formed to open in the lower side direction of the hollow fiber membrane (110).
  • the porous diffuser 150 installed at the upper side of the hollow fiber membrane 110 injects air in a downward direction to remove contaminants at the upper side, and is installed at the support 120 at the lower side.
  • the contaminants on the lower side may be removed through the acid pores 125.
  • the operating cost may be increased compared to the prior art, but instead by reducing the amount of air injected through the acid pores 125 installed in the support 120, an increase in operating cost is increased. It can also be offset.
  • One end of the porous diffuser 150 may be screwed with the extension tube 140.
  • One end of the porous diffuser 150 may be provided with a male screw portion 153.
  • the female thread part 154 may be provided in the extension pipe 140 so that the male thread part 153 may be screwed together.
  • the other end of the porous diffuser 150 may be provided with a cover 152.
  • the cover 152 may be detachably coupled to the porous diffuser 150. As a result, the cover 152 may be removed to facilitate the washing of the porous diffuser 150.
  • the other end of the porous diffuser 150 may be provided with a male screw portion 153.
  • the cover 152 may be screwed with the male screw portion 153.
  • the cover 152 may be provided with a female screw part although not clearly illustrated in the drawing.
  • the length of the porous diffuser 150 may be configured in various ways.
  • the acid pores 151 may not be formed in the pipe, but may allow air to flow out through the end, or may be formed in the cover 152. have.
  • the acid pores are formed in the cover 152, the number and size thereof may be appropriately adjusted. By such a configuration, more diverging patterns are formed to shake the hollow fiber membrane 110 in various ways to effectively remove contaminants in the hollow fiber membrane 110.
  • such a porous diffuser 150 may be installed in the extension pipe 140 at the same distance from the support 120, a plurality of 45 degrees, 60 degrees, 90 degrees, or 120 degrees to each other.
  • a plurality of 45 degrees, 60 degrees, 90 degrees, or 120 degrees to each other For example, in FIG. 2, four porous diffusers 150 are formed at a predetermined distance from the support 120 at a distance of 90 degrees.
  • the upper four porous diffuser and the lower four porous diffuser may be installed to be offset from each other at a predetermined angle.
  • the hollow fiber membrane 110 may be protected by a cylindrical tube 160 installed to surround the outer circumference.
  • the cylindrical tube may be fastened to the support part 120 and the collector 130.
  • the porous diffuser 150 is formed to be smaller than the radius of the cylindrical tube 160 by a predetermined size or more, it can be easily installed in the cylindrical tube (160).
  • the porous diffuser 150 installed at the upper side of the hollow fiber membrane 110 injects air in the downward direction to remove contaminants on the upper side.
  • the lower side may remove contaminants on the lower side through the acid pores 125 installed in the support 120.
  • the plurality of pores 151 of the porous diffuser 150 is formed in a variety of sizes, injecting air bubbles of various sizes. Thus, contaminants with various sizes can be easily removed.
  • the porous diffuser 150 is fastened by screwing, and can be easily separated and washed.
  • the plurality of porous diffuser 150 may be installed spaced apart from each other from the support 120.
  • the plurality of porous diffuser 150 may be disposed to be offset from each other.
  • the plurality of porous diffusers 150 may be disposed to be offset from each other at an angle of 30 degrees, 45 degrees, 60 degrees, 90 degrees, and the like.
  • extension pipes (141, 142) may be composed of a plurality (for example, a pair).
  • the extension pipes 141 and 142 may be installed at an outer region of the hollow fiber membrane 110.
  • the extension pipes 141 and 142 may be connected to the edge regions of the support part 120 and the collector 130.
  • the extension pipes 141 and 142 may be disposed to face each other.
  • the upper diffuser unit 149 may include a plurality of porous diffusers 150 provided in each of the extension pipes 141 and 142.
  • the length of the porous diffuser 150 may be appropriately adjusted.
  • each porous diffuser 150 may be greater than the radius of the cylindrical tube 160. In this case, the installation angle of the porous diffuser 150 may be generated.
  • the porous diffuser 150 may be configured to be smaller than the radius of the cylindrical tube (160). At this time, the constraint of the installation angle of each porous diffuser 150 may be generated relatively small.
  • the extension pipes 141, 142, 143, and 144 may be configured as four, for example.
  • Each of the extension pipes 141 to 144 may be installed, for example, at an upper end of the support part 120 to form 90 degrees to each other from the center.
  • Each of the extension pipes 141 to 144 may be provided with a porous diffuser 150. Thereby, the installation of more porous diffuser 150 is possible. This is to make it possible to more quickly remove contaminants of the hollow fiber membrane 110 when there are many foreign substances in the permeate.
  • the hollow fiber membrane module of the present embodiment may include an upper diffuser unit 149 and a lower diffuser unit 124 spaced apart in the vertical direction.
  • the upper diffuser unit 149 may include a plurality of porous diffusers 150 provided in the extension tube 140.
  • the porous diffuser 150 may be disposed in the shape of a cross (+) spaced at intervals of 90 degrees around the extension tube 140.
  • the porous diffuser 150 may be formed in a plurality of stages (eg, three stages) spaced apart in the vertical direction.
  • An annular support 155 may be provided around the porous diffuser 150. As a result, the occurrence of play in each of the porous diffusers 150 can be suppressed and firmly supported. can do.
  • each porous diffuser 150 may be connected to the support 155 at the same time.
  • the support 155 may be composed of a circular ring or a polygonal ring.
  • the porous diffuser 150 may be formed to be bent.
  • the bent porous diffuser 150 may be installed such that the end faces downward, as shown in FIG. 8, or the end faces upward, as shown in FIG. 9.
  • the hollow fiber membrane module according to another embodiment of the present invention, the hollow fiber membrane 210; A support unit 220 provided at a lower end of the hollow fiber membrane 210; A collector 230 provided at an upper end of the hollow fiber membrane 210; An extension tube 240 extending upward from the support portion 220; And an air disperser unit 119 spaced apart from the upper side of the support part 220 to diffuse air into the upper region of the hollow fiber membrane 210.
  • the hollow fiber membrane 210 may be composed of, for example, a plurality of bundles having a predetermined number (preset number) of the hollow fiber membranes 210.
  • the lower portion of the hollow fiber membrane 210 may be provided with a support 220.
  • the lower end of the hollow fiber membrane 210 may be configured to be blocked by the potting material of the support portion 220.
  • the support part 220 may be implemented, for example, in a disk shape.
  • the diffuser unit 119 may be provided with a lower diffuser unit 124 having an diffuser 222 provided in the support 220.
  • the lower diffuser unit 124 may be configured to include, for example, an acid hole 222 formed to allow air to flow out of the support part 220.
  • air 224 The air 224, the air bubbles, and the bubbles (hereinafter, referred to as “air 224”) flowing out through the acid pores 222 of the support 220 may be moved upward.
  • the collector 230 may be provided at an upper end of the hollow fiber membrane 210.
  • An upper end of the hollow fiber membrane 210 may be coupled to and supported by the collector 230.
  • the upper end of the hollow fiber membrane 210 may be configured to be open so that water (permeate) introduced into the hollow fiber membrane 210 may flow out. As a result, the permeated water transmitted from the collector 230 to each of the hollow fiber membranes 210 may be collected and collected.
  • the collector 230 may be implemented in a disk shape having a predetermined diameter (D).
  • a suction force (negative pressure, negative pressure) may be applied to the upper end of the hollow fiber membrane 210 so as to facilitate the inflow of permeate. Accordingly, contamination may be promoted relative to the upper region near the upper end of the hollow fiber membrane 210 compared to the lower region far from the upper end.
  • the collector 230 may be connected to the pump 132 so that a suction force may act.
  • an extension tube 240 may be provided between the support part 220 and the collector 230.
  • one end (lower end) of the extension pipe 240 may be connected to the support part 220, and the other end (upper end) of the extension pipe 240 may be connected to the collector 230.
  • the extension tube 240 may be formed, for example, shorter than the length of the hollow fiber membrane 210.
  • each of the hollow fiber membranes 210 may be loosely stretched between the collector 230 and the support part 220 to be movable.
  • each of the hollow fiber membrane 210 is shaken by the air (air bubbles, bubbles) 224 flowing out of the extension pipe 240 and / or the support portion 220 and moving upwards (224) Contaminants on the surface of the 210 may be separated (removed) from the surface of the hollow fiber membrane 210.
  • An air passage may be formed in the extension tube 240.
  • the diffuser unit 119 may include an upper diffuser unit 149 having a plurality of diffuser pores 242 distributed corresponding to the upper region of the hollow fiber membrane 210.
  • a plurality of acid pores 242 may be formed in the upper region of the extension tube 240 to allow air to flow out.
  • the acid pores 242 may be formed above the half (H / 2) of the height (H) of the extension tube 240. As a result, the air is intensively supplied to the upper region of the hollow fiber membrane 210 in which pollution is mainly generated, thereby effectively removing contaminants in the hollow fiber membrane 210.
  • the acid pores 242 may be formed to have, for example, the same diameter d.
  • the acid pores 242 may be formed at regular intervals (pitch) p along the circumferential direction.
  • the acid pores 242 may be formed in a plurality of stages along the vertical direction.
  • the diffuser 242 of the extension tube 240 is exemplified in six stages, but the size, spacing, and number of stages of the diffuser 242 may be appropriately adjusted.
  • the upper three stages 243a are arranged in rows up and down, and the lower three stages 243b are arranged in upper three stages. It may be configured to be disposed between the columns 243a, respectively. As a result, a pattern (air pattern) of air flowing out through the air pores 242 may be varied.
  • the acid pores 242 may be configured so that the odd end 245a and even end 245b of each stage is arranged in a zigzag.
  • the pattern of the air flowing out through the acid pores 242 becomes more diverse, and thus, the hollow fiber membrane 210 may be more effectively shaken to more effectively remove contaminants in the hollow fiber membrane 210.
  • the extension pipe 240 may be configured to have, for example, a diameter of 50% (D / 2) or less of the diameter (D) of the collector 230. In this case, when the diameter of the collector 230 exceeds 50%, the installation area of the hollow fiber membrane 210 may be relatively small, which may lower the water treatment ability.
  • One side of the extension tube 240 may be provided with an air supply unit 150 to supply air to the inside of the extension tube 240.
  • the air supply unit 150 may be connected to a compressor or a blowing fan (not shown) to supply air.
  • the air supply unit 150 may be connected to the support unit 220.
  • the air (bubble) 224 may flow out through the acid pores 242 of the extension pipe 240 and the acid pores 222 of the support part 220.
  • the air supply unit 150 may be configured to supply appropriate air to the acid pores 222 of the support unit 220 and the acid pores 242 of the extension pipe 240.
  • Air (air droplets) 224 flowing out through the acid pores 222 of the support unit 220 moves upward to shake the hollow fiber membrane 210 to contaminants on the surface of the hollow fiber membrane 210. (210) to allow separation from the surface.
  • the air flowing out through the acid pores 242 of the extension pipe 240 is discharged to the upper region of the hollow fiber membrane 210, so that the pollutants in the upper region of the hollow fiber membrane 210 that is relatively severely polluted are easily separated. To be possible.
  • the acid pores 242 for example, the first acid pores 251 disposed on the upper side, the second mountain disposed below the first acid pores 251 It may be configured to include a pore 252 and the third acid pores 253 disposed below the second acid pores 252.
  • the first acid pores 251 may be configured to have a relatively small first diameter d1.
  • the first acid pores 251 may be spaced apart from the first pitch p1 along the circumferential direction.
  • the first acid pores 251 may be arranged to form a plurality of stages spaced apart from each other, for example.
  • the second acid pores 252 may be configured to have a second diameter d2 larger than the first diameter d1 of the first acid pores 251.
  • the second acid pores 252 may be spaced apart along the circumferential direction with a second pitch p2 larger than the first pitch of the first acid pores 251.
  • the second acid pores 252 may be configured to include, for example, a plurality of stages spaced vertically.
  • the third acid pores 253 may be configured to have a third diameter d3 that is larger than the second diameter d2 of the second acid pores 252.
  • the third acid pores 253 may be spaced apart from each other in a circumferential direction with a third pitch p3 that is larger than the second pitch p2 of the second acid pores 252.
  • the diameters and pitches of the first acid pores 251, the second acid pores 252, and the third acid pores 253, and the number of upper and lower stages may be appropriately adjusted.
  • an air supply unit 150 may be connected to the extension tube 240 to supply air to the extension tube 240.
  • the air supply unit 150 may be, for example, connected to the support unit 220 and configured to supply air into the extension tube 240.
  • the hollow fiber membrane 210 relatively close to the extension tube 240 is shaken to remove contaminants on the surface of the hollow fiber membrane 210.
  • the air flowing out through the second acid pores 252, which are relatively larger than the first acid pores 251, may be further moved upward from the extension pipe 240 (for example, an intermediate point).
  • the intermediate hollow fiber membrane 210 (for example, the hollow fiber membranes 210 disposed about halfway between the rim of the collector 230 and the outer diameter of the extension tube 240) is relatively shaken to the intermediate fiber. Shake the hollow fiber membrane 210 to remove the contaminants of the hollow fiber membrane (210).
  • the air (bubble) flowed out through the largest third acid pores 253 is relatively far away from the extension pipe 240 (closer to the edge of the collector 230) is moved up and disposed relatively far away.
  • the hollow fiber membrane 210 (for example, the hollow fiber membrane 210 disposed in the outer region) is shaken to remove contaminants on the surface of the hollow fiber membrane 210.
  • the hollow fiber membrane module 210 of the present embodiment has different distances from the extension pipe 240 through the first acid pores 251 to the third acid pores 253 having different diameters. As it flows upward, each hollow fiber membrane 210 spaced at different intervals from the extension tube 240 may be appropriately shaken to effectively separate and remove contaminants on the surface of each hollow fiber membrane 210.
  • the inside of the extension pipe 240 may be provided with a partition wall 160 for partitioning the space.
  • a plurality of partition walls 160 may be formed.
  • a first partition 261, a second partition 262, and a third partition 263 may be provided.
  • first partition 160 may be formed in the inner upper region of the extension pipe 240, and the second partition 262 may be spaced apart from the lower side of the first partition 261.
  • the third partition 263 may be spaced apart from the lower side of the second partition 262. As a result, the first space 271, the second space 272, and the third space 273 may be formed in the extension tube 240, respectively.
  • the first acid pores 251 may be formed through the outer wall of the first space 271 partitioned by the first partition 261.
  • a second acid pores 252 having a larger diameter (d2) than the first acid pores 251 may be formed through.
  • a third acid pore 253 having a larger diameter d3 than the second acid pore 252 may be formed in the outer wall of the third space 273.
  • the air supply unit 150 may include an air supply pipe 280 for supplying air into the extension pipe 240.
  • the air supply pipe 280 is, for example, a first supply pipe 281 for supplying air to the first space 271, the second space 272 is disposed inside the second space 272
  • a second supply pipe 282 for supplying air to the air and a third supply pipe 283 disposed in the third space 273 to supply air to the third space 273 may be provided.
  • Air flowing out through the first acid pores 251 to the third acid pores 253 moves upwards, respectively, and shakes surrounding hollow fiber membranes 210 to remove contaminants on the surface of each hollow fiber membrane 210. Be sure to
  • air can be supplied to the first space 271 to the third space 273 in an appropriate amount (or pressure), so that the degree of air outflow (outflow amount and / or outflow) according to the pollution degree of the hollow fiber membrane 210 Pressure) can be effectively removed contaminants of each of the hollow fiber membrane (210).
  • the upper diffuser unit has only an example of the case having acid pores formed in the extension pipe, but the porous diffuser described above with reference to FIGS. 2 to 9. It may be configured to have at least one. Further, on the contrary, the extension pipe of the embodiment described above with reference to FIGS. 2 to 9 may be provided with at least one of the outlet holes as described above with reference to FIGS. 10 to 14.
  • the embodiment described above with reference to FIGS. 13 and 14 exemplifies a case in which three acid pores are formed in diameter, but the diameter of the acid pores may be formed in two, or four or more. It may be configured to have different diameters.
PCT/KR2013/000201 2012-01-11 2013-01-10 중공사 막 모듈 WO2013105795A1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201380003360.0A CN103889558B (zh) 2012-01-11 2013-01-10 中空纤维膜组件

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2012-0003548 2012-01-11
KR1020120003548A KR101908704B1 (ko) 2012-01-11 2012-01-11 중공사 막 모듈
KR1020130001445A KR102097616B1 (ko) 2013-01-07 2013-01-07 중공사막 모듈
KR10-2013-0001445 2013-01-07

Publications (1)

Publication Number Publication Date
WO2013105795A1 true WO2013105795A1 (ko) 2013-07-18

Family

ID=48781689

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2013/000201 WO2013105795A1 (ko) 2012-01-11 2013-01-10 중공사 막 모듈

Country Status (2)

Country Link
CN (1) CN103889558B (zh)
WO (1) WO2013105795A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014106982A1 (ko) * 2013-01-07 2014-07-10 엘지전자 주식회사 중공사막 모듈
KR20140089711A (ko) * 2013-01-07 2014-07-16 엘지전자 주식회사 중공사막 모듈
KR20140132612A (ko) * 2013-05-08 2014-11-18 엘지전자 주식회사 중공사막 모듈

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108348859B (zh) * 2015-11-19 2021-03-26 株式会社可乐丽 中空纤维膜模块及其清洗方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200368691Y1 (ko) * 2004-08-16 2004-12-03 김정학 중공사막 모듈을 이용한 수처리 장치
KR20050056293A (ko) * 2003-12-10 2005-06-16 주식회사 코오롱 침지형 중공사막 모듈
KR20060021552A (ko) * 2004-09-03 2006-03-08 에스케이케미칼주식회사 중공사막 모듈과 이를 이용한 수처리장치
JP2009154032A (ja) * 2007-12-25 2009-07-16 Sumitomo Electric Fine Polymer Inc 濾過モジュール及びこれを用いた濾過装置
JP2011110496A (ja) * 2009-11-26 2011-06-09 Kobelco Eco-Solutions Co Ltd 中空糸膜モジュール、膜分離方法及び水処理装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100569681B1 (ko) * 2003-11-17 2006-04-10 주식회사 코오롱 침지형 중공사막 모듈
JP4906269B2 (ja) * 2005-04-27 2012-03-28 前澤工業株式会社 濾過装置
AU2007206356A1 (en) * 2006-01-20 2007-07-26 Toray Industries, Inc. Membrane filtration apparatus and its operating method
CN102026711B (zh) * 2008-07-01 2013-09-04 东丽株式会社 浸渍型中空丝膜组件
CN201399324Y (zh) * 2009-01-16 2010-02-10 苏州膜华材料科技有限公司 一种集成式中空纤维膜组件
CN201592061U (zh) * 2010-01-01 2010-09-29 浙江东洋环境工程有限公司 一种中空纤维过滤膜组件

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050056293A (ko) * 2003-12-10 2005-06-16 주식회사 코오롱 침지형 중공사막 모듈
KR200368691Y1 (ko) * 2004-08-16 2004-12-03 김정학 중공사막 모듈을 이용한 수처리 장치
KR20060021552A (ko) * 2004-09-03 2006-03-08 에스케이케미칼주식회사 중공사막 모듈과 이를 이용한 수처리장치
JP2009154032A (ja) * 2007-12-25 2009-07-16 Sumitomo Electric Fine Polymer Inc 濾過モジュール及びこれを用いた濾過装置
JP2011110496A (ja) * 2009-11-26 2011-06-09 Kobelco Eco-Solutions Co Ltd 中空糸膜モジュール、膜分離方法及び水処理装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014106982A1 (ko) * 2013-01-07 2014-07-10 엘지전자 주식회사 중공사막 모듈
KR20140089711A (ko) * 2013-01-07 2014-07-16 엘지전자 주식회사 중공사막 모듈
KR102097616B1 (ko) 2013-01-07 2020-04-06 주식회사 엘지화학 중공사막 모듈
KR20140132612A (ko) * 2013-05-08 2014-11-18 엘지전자 주식회사 중공사막 모듈
KR102045496B1 (ko) 2013-05-08 2019-11-15 주식회사 엘지화학 중공사막 모듈

Also Published As

Publication number Publication date
CN103889558A (zh) 2014-06-25
CN103889558B (zh) 2016-01-20

Similar Documents

Publication Publication Date Title
WO2013105795A1 (ko) 중공사 막 모듈
WO2011093652A2 (ko) 중공사막 모듈
WO2012015086A1 (ko) 원심 필터
WO2016182253A1 (ko) 공기순환장치
WO2018030725A1 (ko) 수처리용 평판형 필터모듈 및 이를 포함하는 수처리용 필터집합체
WO2015163632A1 (ko) 측류 유동형 역삼투막 필터
WO2017039387A1 (ko) 수처리용 평판형 필터 및 이를 이용한 수처리용 필터모듈
WO2021101194A1 (ko) 복합필터 조립체 및 이를 구비하는 정수기
WO2014005540A1 (en) Apparatus and method for biological sewage treatment
WO2013100272A1 (ko) 가압식 막모듈 정수장치
WO2017082550A1 (ko) 여과막 모듈 및 여과장치
WO2022092773A1 (ko) 사각 형태 스크러버 성능 향상을 위한 가스 분산 장치
WO2016208888A1 (en) Air purifier
WO2018084545A1 (ko) 해수살균정화장치
WO2014126318A1 (en) Inlet and reacting system having the same
WO2016036148A1 (ko) 에어워셔
WO2017014416A1 (ko) 공정 분리형 기판 처리장치 및 처리방법
WO2018174529A1 (ko) 노즐블록, 노즐블록을 포함하는 습식 스크러버 장치 및 습식 스크러버 장치를 구비한 흄후드
WO2021221229A1 (ko) 여과 기능이 구비된 휴대용 물병 뚜껑
WO2017209353A1 (ko) 외부 하우징형 막 생물 반응기를 이용한 수처리 장치
WO2014081130A1 (en) Apparatus for manufacturing hollow fiber membrane module and method for manufacuring hollow fiber membrane module using the same
WO2014046448A1 (ko) 웨이퍼 상에 잔존하는 공정가스를 제거하는 웨이퍼 퍼징 카세트를 갖춘 웨이퍼 처리장치
WO2021132921A1 (ko) 사각 형태 스크러버 성능 향상을 위한 스프레이 장치
WO2013022163A1 (ko) 벤츄리 노즐과 이를 탑재한 집진장치용 필터 구조체
WO2011059168A2 (ko) 필터지지모듈 및 이를 이용한 필터어셈블리

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13736236

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13736236

Country of ref document: EP

Kind code of ref document: A1