WO2017082550A1 - Module de membrane filtrante et dispositif de filtrage - Google Patents

Module de membrane filtrante et dispositif de filtrage Download PDF

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Publication number
WO2017082550A1
WO2017082550A1 PCT/KR2016/011873 KR2016011873W WO2017082550A1 WO 2017082550 A1 WO2017082550 A1 WO 2017082550A1 KR 2016011873 W KR2016011873 W KR 2016011873W WO 2017082550 A1 WO2017082550 A1 WO 2017082550A1
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WO
WIPO (PCT)
Prior art keywords
spacer
filtration membrane
header
filtration
main body
Prior art date
Application number
PCT/KR2016/011873
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English (en)
Korean (ko)
Inventor
이아름
Original Assignee
코오롱인더스트리 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
Application filed by 코오롱인더스트리 주식회사 filed Critical 코오롱인더스트리 주식회사
Priority to CN201690001236.XU priority Critical patent/CN208799972U/zh
Publication of WO2017082550A1 publication Critical patent/WO2017082550A1/fr

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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
    • B01D65/08—Prevention of membrane fouling or of concentration polarisation
    • 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

Definitions

  • the present invention relates to a filtration membrane module and a filtration device, and more particularly, to a filtration membrane module and the like, which can effectively prevent damage due to collisions between the filtration membrane modules and to adjust the integration of the filtration membrane modules in the filtration device. It relates to a filtration device.
  • Separation methods for fluid treatment include separation methods using heating or phase change, separation methods using filtration membranes, and the like.
  • Separation method using a filtration membrane has the advantage that the desired water quality can be stably obtained according to the pore size of the filtration membrane can increase the reliability of the process.
  • the use of the filtration membrane does not require an operation such as heating, there is an advantage that it can be widely used in the separation process using microorganisms that can be affected by heating.
  • the submerged filtration membrane module (also referred to as 'pressure-resistant filtration membrane module') includes a filtration membrane and a header to which the filtration membrane is fixed.
  • the header has a collecting part for collecting the filtered water produced by the filtration membrane and an outlet port for discharging the filtered water from the collecting part.
  • the filtration membrane is fixed to the header with a resin such as polyurethane.
  • a plurality of filtration membrane modules are mounted in one frame structure to form a filtration membrane cassette. After the filtration membrane cassette is immersed into raw water to be treated, a filtration operation is performed by providing a negative pressure to the filtration membrane.
  • the membrane modules mounted in the frame structure vibrate and may cause damage to the membrane module due to collisions with the frame structure and / or collisions between the membrane modules. Can be. Damage to the membrane module increases the cost of maintenance and repair of the filtration device by shortening the replacement cycle of the membrane module.
  • each of the first and second headers 10, 20 neighboring each other has a first side and a second side opposite the first side, and on the first side. It has a first coupling rib 11, 21 and a second coupling rib 12, 22 on the second side.
  • the second fastening ribs 12, 22 have a shape that can engage with the first fastening ribs 11, 21.
  • the present invention relates to a filtration membrane module and a filtration apparatus which can prevent problems caused by the above limitations and disadvantages of the related art.
  • One aspect of the present invention is to provide a filtration membrane module that can effectively prevent damage due to collisions between the filtration membrane modules and to adjust the degree of integration of the filtration membrane modules in the filtration apparatus.
  • Another aspect of the present invention is to provide a filtration apparatus that can effectively prevent damage due to collision between filtration membrane modules and to adjust the degree of integration of the filtration membrane modules in the filtration apparatus.
  • the filtration membrane And a header having one end of the filtration membrane fixed thereto, wherein the header includes a case and a space maintainer, wherein the case has a side surface having a lengthwise direction perpendicular to the filtration membrane.
  • a filtration membrane module is provided, which projects from the side of the case.
  • the filtration membrane module may further include a spacer that can be detachably fastened to the header.
  • the spacer may be detachably fastened to the gap holder of the header.
  • the gap maintaining part may include a frame-shaped main body having a hole in the center, and at least one fastening hole may be formed in the main body.
  • the filtration membrane module may further include a spacer having an elastic member, and the spacer may be detachably fastened to the gap holder by inserting the elastic member into the fastening hole.
  • the gap maintaining part may further include at least one rib protruding from the side surface of the case at a position corresponding to the hole of the main body.
  • the frame structure And first and second filtration membrane modules mounted adjacent to each other in the frame structure, wherein the first filtration membrane module includes a first header having a first filtration membrane and one end of the first filtration membrane fixed thereto.
  • the second filtration membrane module includes a second filtration membrane and a second header having one end of the second filtration membrane fixed thereto, wherein the first header has a first case having a first side surface and a first gap protruding from the first side surface.
  • the second header includes a second case having a second side facing the first side and a second gap holding portion protruding from the second side at a position corresponding to the first gap holding portion.
  • a filtration device is provided.
  • the first gap holder may contact the second gap holder.
  • the first spacing part includes a first main body in the form of a frame having a hole in the center
  • the second spacing part includes a second main body in the form of a frame having a hole in the center.
  • the main bodies can be in contact with each other.
  • the first spacing part further includes at least one first rib protruding from the first side surface at a position corresponding to the hole of the first main body, and the second spacing part is the hole of the second main body. At least one second rib protruding from the second side in a position corresponding to the first and second ribs may be in contact with each other.
  • the filtration device further includes a first spacer detachably fastened to the first header, wherein the first spacer protrudes further from the first side than the first spacer, and the first spacer
  • the second gap holder may be in contact with the second gap holder.
  • the first spacer may be detachably fastened to the first gap holder of the first header.
  • the first spacing part may include a first main body having a first fastening hole formed therein, and the first spacer may include a first elastic member inserted into the first fastening hole.
  • the filtration device may include: a first spacer detachably fastened to the first header; And a second spacer detachably fastened to the second header, wherein the first spacer protrudes further from the first side than the first spacing portion, and the second spacer is the second spacer.
  • the first spacer may protrude more from the second side than the gap maintaining part, and the first spacer may contact the second spacer.
  • the first spacer may be detachably fastened to the first spacing part of the first header, and the second spacer may be detachably fastened to the second spacing part of the second header.
  • the first spacing part includes a first main body having a first fastening hole formed therein, the first spacer includes a first elastic member inserted into the first fastening hole, and the second spacing part is made of
  • the second main body may include a second fastening hole, and the second spacer may include a second elastic member inserted into the second fastening hole.
  • the present invention it is possible to effectively prevent the damage caused by the collision between the filter membrane modules when the water treatment is carried out to increase the replacement cycle of the filter membrane module and reduce the maintenance and repair costs of the filtration device.
  • the distance between the filtration membrane modules mounted adjacent to each other in the frame structure is variable, it is possible to properly adjust the degree of integration of the filtration membrane modules in the filtration device according to the quality of the raw water to be treated. For example, when treating relatively clean raw water, it is possible to increase the throughput of the filtration device per unit time by increasing the density of the filtration membrane modules in the filtration device. Conversely, when treating relatively dirty raw water, membrane contamination can be reduced by lowering the density of the filtration membrane modules in the filtration apparatus.
  • Figure 1 shows the fastening structure of the header of the conventional filter membrane modules
  • FIG. 2 is a perspective view of a filtration membrane module according to an embodiment of the present invention
  • FIG. 3 is a perspective view of a header according to an embodiment of the present invention.
  • FIG. 4 is a perspective view of a spacer according to an embodiment of the present invention.
  • Figure 5 schematically shows a filtration device according to an embodiment of the present invention
  • FIG. 6 shows headers of filtration membrane modules disposed adjacent to each other according to a first embodiment of the invention
  • FIG. 7 shows headers of filtration membrane modules disposed adjacent to each other according to a second embodiment of the invention
  • FIG. 8 shows headers of filtration membrane modules disposed adjacent to each other according to a third embodiment of the present invention.
  • the filtration membrane module 100 includes headers 110 and 120 and a filtration membrane 130 therebetween.
  • One end and the other end of the filtration membrane 130 are fixed to the headers 110 and 120 by potting the resin layer 140 such as polyurethane.
  • Each of the headers 110 and 120 has a collecting part (not shown) therein, and the filtration membrane 130 is in fluid communication with the collecting parts of the headers 110 and 120. Therefore, the filtrate produced by the filtration membrane 130 flows into the collecting portions of the headers 110 and 120 during the water treatment operation.
  • the filtration membrane module of the present invention is not limited thereto, and may be a filtration membrane module in which filtered water is obtained through only one end of the filtration membrane. In this case, the other end of the filtration membrane not fixed to the header is sealed to prevent the raw water from flowing into the filtration membrane.
  • the filtration membrane 130 of the present invention may be a flat membrane or a hollow fiber membrane.
  • the hollow fiber membrane may be advantageous in that the hollow fiber membrane module has a much larger membrane area than the flat membrane module.
  • the filtration membrane 130 of the present invention is formed of at least one of polysulfone, polyethersulfone, sulfonated polysulfone, polyvinylidene fluoride (PVDF), polyacrylonitrile, polyimide, polyamideimide, and polyetherimide Can be.
  • PVDF polyvinylidene fluoride
  • the filtration membrane 130 of the present invention is a hollow fiber membrane
  • a composite durable hollow fiber membrane having a tubular braid and a polymer membrane on the outer surface of the tubular knitted fabric may be employed.
  • the tubular knit is made of a plurality of yarns, each of which comprises a plurality of multifilaments.
  • the plurality of filaments constituting the multifilament may include at least one of polyolefin, polyethylene terephthalate, and polyamide.
  • the polymer membrane may be formed of at least one of polysulfone, polyethersulfone, sulfonated polysulfone, polyvinylidene fluoride (PVDF), polyacrylonitrile, polyimide, polyamideimide, and polyetherimide.
  • PVDF polyvinylidene fluoride
  • the headers 110 and 120 of the present invention have the same structure.
  • the header 110 according to an embodiment of the present invention will be described in detail with reference to FIG. 3.
  • the header 110 of the present invention includes a case 111 and a space maintainer 112.
  • the case 111 has a side surface having a longitudinal direction perpendicular to the filtration membrane 130.
  • the side surface of the case 111 has a longitudinal direction perpendicular to the longitudinal direction of the hollow fiber membrane.
  • the gap maintaining part 112 protrudes from the side surface of the case 111.
  • the gap maintaining part 112 may prevent the case 111 from directly colliding with a neighboring header, thereby effectively preventing the header 110, in particular, the case 111 from being damaged. Therefore, the interval maintaining unit 112 of the present invention can increase the replacement cycle of the filtration membrane module and reduce the maintenance and repair costs of the filtration device.
  • the gap maintaining part 112 includes a frame-shaped main body 112a having a hole in the center, and at least one fastening to the main body 112a.
  • the hole CH may be formed.
  • the gap maintaining part 112 may include at least one rib 112b protruding from the side surface of the case 111 at a position corresponding to the hole of the main body 112a. It may further include.
  • the spacer 300 illustrated in FIG. 4 may be fastened to the header 110 through the fastening hole CH as necessary, so that a larger gap may be maintained between the header 110 and a neighboring header. Through this, the filtration membrane module density of the filtration device can be reduced.
  • the spacer 300 includes a main body 310 and an elastic member 320.
  • a portion of the main body 310 of the spacer 300 is inserted into the central hole of the main body 112a of the spacer 112 and at least a portion of the elastic member 320 is the main body 112a.
  • the spacer 300 may be fastened to the header 110 by being inserted into the fastening hole CH.
  • the present invention is not limited thereto, and the spacer 300 maintains the gap. It is only required to be fastened to the header 110 so as to protrude further from the side surface of the case 111 than the gap maintaining part 112 at a position corresponding to the part 112.
  • the filtration apparatus of the present invention includes a frame structure 400 and first and second filtration membrane modules 100 and 200 mounted adjacent to each other in the frame structure 400.
  • the frame structure disclosed in Korean Patent No. 1364362 (incorporated herein by reference), which is owned by the applicant, can be used for the filtration device of the present invention.
  • the frame structure 400 of the present invention is not limited thereto, and is not particularly limited as long as the immersion filtration membrane module can be mounted.
  • the first filtration membrane module 100 includes first headers 110 having one end and the other end of the first filtration membrane 130 and the first filtration membrane 130 fixed through the resin layer 140 such as polyurethane, respectively. 120).
  • the second filtration membrane module 200 includes second headers 210 having one end and the other end of the second filtration membrane 230 and the second filtration membrane 230 fixed through the resin layer 240 such as polyurethane, respectively. 220).
  • the first and second filtration membrane modules 100 and 200 may be filtration membrane modules from which filtered water is obtained through only one end of the filtration membranes 130 and 230. In this case, the other end of the filtration membrane which is not fixed to the header is sealed to prevent the inflow of raw water into the filtration membrane.
  • the first and second filtration membranes 130 and 230 may be flat or hollow fiber membranes.
  • the hollow fiber membrane may be advantageous in that the hollow fiber membrane module has a much larger membrane area than the flat membrane module.
  • the first header 110 includes a first case 111 having a first side surface and a first spacing part 112 protruding from the first side surface, wherein the second header 210 is formed of the first header 111.
  • a second case 211 having a second side facing the first side and a second gap holding portion 212 protruding from the second side at a position corresponding to the first gap holding portion 112. .
  • the first spacing part 112 may contact the second spacing part 212.
  • the distance between the first case 111 of the first header 110 and the second case 211 of the second header 220 is only by the first and second gap retainers 112 and 212. Since it is maintained, the filtration membrane module density can be maximized.
  • the first and second gap holders 112 and 212 prevent the first case 111 from directly colliding with the neighboring second case 211. Therefore, replacement cycles of the filtration membrane modules 100 and 200 may be increased, and maintenance and repair costs of the filtration device may be reduced.
  • the first spacing part 112 protrudes from the first side surface at a position corresponding to the hole of the first main body 112a and the first main body 112a having a frame in the center.
  • At least one first rib 112b, and the second spacing unit 212 includes a frame-shaped second main body 212a and a hole of the second main body 212a having a hole in the center thereof. It may include at least one second rib (212b) protruding from the second side at a position corresponding to the.
  • the first and second main bodies 112a and 212a may contact each other, and the first and second ribs 112b and 212b may contact each other.
  • the filtration apparatus of the second embodiment of the present invention further includes a first spacer 300a that is detachably fastened to the first header 110.
  • the first spacer 300a has the same structure as the spacer 300 illustrated in FIG. 4.
  • the first spacer 300a protrudes further from the first side surface than the first spacing portion 112, and the first spacer 300a has a second spacing portion of the second header 210. 212).
  • a gap between the first case 111 of the first header 110 and the second case 211 of the second header 220 may be defined by the first and second gap holders 112 and 212 and the second case 211. Since it is held by the first spacer 300a, the filtration membrane module integration degree is lower than the filtration membrane module integration degree of the first embodiment of the present invention described above.
  • the first spacer 300a may be detachably fastened to the first spacing part 112 of the first header 110.
  • the first spacing part 112 includes a first main body 112a in which a first fastening hole CH is formed, and the elastic member of the first spacer 300a. Is inserted into the first fastening hole CH.
  • the filtration apparatus of the third embodiment of the present invention is detachable from the first spacer 300a and the second header 210, which are detachably fastened to the first header 110. It further comprises a second spacer 300b is fastened.
  • the first and second spacers 300a and 300b have the same structure as the spacer 300 illustrated in FIG. 4.
  • the first spacer 300a protrudes further from the first side surface than the first spacing portion 112, and the second spacer 300b has the second side surface than the second spacing portion 212. Protruding further from the first spacer 300a is in contact with the second spacer 300b.
  • the distance between the first case 111 of the first header 110 and the second case 211 of the second header 220 is, of course, the first and second gap maintaining units 112 and 212. And maintained by the first and second spacers 300a and 300b, the filtration membrane module integration can be minimized.
  • the first spacer 300a may be detachably fastened to the first spacing part 112 of the first header 110, and the second spacer 300b may be detached. May be detachably fastened to the second spacing part 212 of the second header 210.
  • the first spacing part 112 includes a first main body 112a in which a first fastening hole CH is formed, and the elastic member of the first spacer 300a. Is inserted into the first fastening hole CH.
  • the second spacing part 212 includes a second main body 212a in which a second fastening hole CH is formed, and the elastic member of the second spacer 300b includes the second fastening hole. Is inserted into (CH).

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

L'invention concerne un module de membrane filtrante et un dispositif de filtrage le comprenant, le module permettant d'éviter efficacement les dommages provoqués par une collision entre les modules de membrane filtrante et permettant d'ajuster l'intégration des modules de membrane filtrante à l'intérieur du dispositif de filtrage. Le module de membrane filtrante selon la présente invention comprend : une membrane filtrante; et un collecteur auquel une extrémité de la membrane filtrante est fixée, le collecteur contenant un boîtier et une partie de maintien d'espace, le boîtier ayant une surface latérale dans la direction longitudinale perpendiculaire à la membrane filtrante et la partie de maintien d'espace faisant saillie depuis la surface latérale du boîtier. Un élément d'espacement destiné à ajuster l'intégration des modules de membrane filtrante peut être couplé amovible à la partie de maintien d'espace.
PCT/KR2016/011873 2015-11-10 2016-10-21 Module de membrane filtrante et dispositif de filtrage WO2017082550A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201690001236.XU CN208799972U (zh) 2015-11-10 2016-10-21 过滤膜组件及过滤装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150157235A KR102134316B1 (ko) 2015-11-10 2015-11-10 여과막 모듈 및 여과장치
KR10-2015-0157235 2015-11-10

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WO2017082550A1 true WO2017082550A1 (fr) 2017-05-18

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109925885A (zh) * 2019-04-16 2019-06-25 江苏金塔药业有限公司 过滤装置
CN110420563A (zh) * 2019-08-22 2019-11-08 上海世浦泰膜科技有限公司 膜单元的固定组件和用于过滤流体的膜组件
WO2022212099A1 (fr) * 2021-03-29 2022-10-06 Bl Technologies, Inc. Module de membrane immergée à fibres creuses et cassette à haute densité de tassement et à liaisons verticales d'orifice de perméat

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210132921A (ko) * 2020-04-28 2021-11-05 주식회사 아모그린텍 중력식 정수장치용 필터모듈 및 이를 포함하는 중력식 정수장치
CN114149070B (zh) * 2021-09-14 2024-04-05 深圳市良益实业有限公司 一种便于维护的mbr膜水处理设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100459037B1 (ko) * 2004-02-04 2004-12-03 주식회사 코레드 수처리용 평막 모듈
KR20090043638A (ko) * 2007-10-30 2009-05-07 코오롱건설주식회사 중공사막 모듈 및 그것이 장착된 여과 장치
US20140231367A1 (en) * 2011-09-30 2014-08-21 Evoqua Water Technologies Llc Improved manifold arrangement
KR20150088788A (ko) * 2012-11-27 2015-08-03 도레이 카부시키가이샤 분리막 모듈
KR20150112845A (ko) * 2014-03-28 2015-10-07 코오롱인더스트리 주식회사 여과장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100459037B1 (ko) * 2004-02-04 2004-12-03 주식회사 코레드 수처리용 평막 모듈
KR20090043638A (ko) * 2007-10-30 2009-05-07 코오롱건설주식회사 중공사막 모듈 및 그것이 장착된 여과 장치
US20140231367A1 (en) * 2011-09-30 2014-08-21 Evoqua Water Technologies Llc Improved manifold arrangement
KR20150088788A (ko) * 2012-11-27 2015-08-03 도레이 카부시키가이샤 분리막 모듈
KR20150112845A (ko) * 2014-03-28 2015-10-07 코오롱인더스트리 주식회사 여과장치

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109925885A (zh) * 2019-04-16 2019-06-25 江苏金塔药业有限公司 过滤装置
CN109925885B (zh) * 2019-04-16 2024-03-08 上海金塔医用器材有限公司 过滤装置
CN110420563A (zh) * 2019-08-22 2019-11-08 上海世浦泰膜科技有限公司 膜单元的固定组件和用于过滤流体的膜组件
WO2022212099A1 (fr) * 2021-03-29 2022-10-06 Bl Technologies, Inc. Module de membrane immergée à fibres creuses et cassette à haute densité de tassement et à liaisons verticales d'orifice de perméat

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KR102134316B1 (ko) 2020-07-15
KR20170054722A (ko) 2017-05-18
CN208799972U (zh) 2019-04-30

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