WO2017115986A1 - Filtre oi du type à flux latéral comprenant un canal d'écoulement formé d'une seule pièce - Google Patents

Filtre oi du type à flux latéral comprenant un canal d'écoulement formé d'une seule pièce Download PDF

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Publication number
WO2017115986A1
WO2017115986A1 PCT/KR2016/011749 KR2016011749W WO2017115986A1 WO 2017115986 A1 WO2017115986 A1 WO 2017115986A1 KR 2016011749 W KR2016011749 W KR 2016011749W WO 2017115986 A1 WO2017115986 A1 WO 2017115986A1
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WO
WIPO (PCT)
Prior art keywords
filter
reverse osmosis
osmosis membrane
water
membrane sheet
Prior art date
Application number
PCT/KR2016/011749
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English (en)
Korean (ko)
Inventor
임성택
홍현기
Original Assignee
주식회사 피코그램
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Priority to KR1020187007630A priority Critical patent/KR102643478B1/ko
Publication of WO2017115986A1 publication Critical patent/WO2017115986A1/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
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • 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
    • B01D63/10—Spiral-wound membrane modules
    • 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
    • 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
    • B01D61/08—Apparatus therefor
    • 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
    • B01D61/10—Accessories; Auxiliary operations
    • 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
    • B01D63/10—Spiral-wound membrane modules
    • B01D63/101—Spiral winding
    • 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
    • B01D63/10—Spiral-wound membrane modules
    • B01D63/103—Details relating to membrane envelopes
    • 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
    • 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
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/06—Specific process operations in the permeate stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/08—Specific process operations in the concentrate stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/04—Specific sealing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/08—Flow guidance means within the module or the apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/14—Specific spacers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2315/00—Details relating to the membrane module operation
    • B01D2315/12—Feed-and-bleed systems

Definitions

  • the present invention relates to a side RO filter (hereinafter referred to as a reverse osmosis membrane filter), and particularly relates to a side RO filter Flow type RO filter formed integrally.
  • a plurality of membranes spirally wind a spiral wound type module around the central central tube 4 while the reverse osmosis membrane filter 1 places the raw water spacers 3 between the filtration members 2 And they are spirally wound around the central pipe 4.
  • the outer periphery is surrounded by an outer wrap 5 made of nonwoven fabric or the like to maintain its shape.
  • the purified water passing through the surface of the filter member 2 of the raw water introduced through the raw water spacer 3 moves along the center of the filter member 2 and passes through the through hole 6 formed in the center pipe 4 And is discharged through a purified water outlet 7 formed at one side of the central pipe 4.
  • the concentrate water which has not passed through the surface of the filtration member 2 among the raw water introduced through the raw water spacer 3 continues to move through the raw water spacer 3 and flows through the concentrate water outlet 8.
  • the filtration member 2 is provided with a constant spacer 11 between the first membrane 9 and the second membrane 10 so that the purified water that has passed through the first membrane 9 or the second membrane 10 flows into the water- Through the through hole (6) of the main tube (4), gradually moving toward the main tube (4) side along the main tube (11).
  • one of the first membrane 9 and the second membrane 10 is generally formed as a reverse osmosis membrane, but both membranes may be formed as a reverse osmosis membrane.
  • the reverse osmosis membrane filter (1) is made of a reverse osmosis membrane of 0.0001 micron, and is used for filtering heavy metals such as lead and arsenic as well as sodium and various pathogenic bacteria.
  • the raw water and the concentrated water move in the width direction, not the longitudinal direction, of the reverse osmosis membrane sheet.
  • the residence time of the raw water in contact with the surface of the reverse osmosis membrane sheet becomes short.
  • the amount of raw water flowing into the reverse osmosis membrane filter 1 through the raw water spacer 3 is filtered through the reverse osmosis membrane filter 1 and then discharged through the purified water outlet 7 (Generally, a ratio of 3: 1) is relatively small, so that the water recovery rate is very low.
  • Patent Publication No. 10-2011-7006005 discloses a " bamboo reverse osmosis membrane ".
  • the twin-screw reverse osmosis membrane has a structure in which the water purification membrane 11 is wound around the outer periphery of a central pipe, the both ends of the reverse osmosis membrane 10 are sealed by an annular plug 600, The raw water is introduced through the raw water inlet 214 formed between the outer periphery of the central pipe 400 and the annular plug 600.
  • the purified water purified by the purification membrane 11 is collected in the central pipe and discharged, and the concentrated water including the foreign matter not passing through the purified water membrane 11 is supplied to the sides And is discharged through the concentrated water outlet formed.
  • the bare-type reverse osmosis membrane has a structure in which the raw water inlet 214 is formed and dispersed at both ends of the reverse osmosis membrane 10, so that there is a problem that the reverse osmosis membrane 10 may be drifted when raw water is obtained do.
  • the present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a sideways flow type in which a flow path is integrally formed by filtering raw materials contained in raw water while passing raw water through a reverse osmosis And an RO filter.
  • a central pipe in which a through hole through which purified water purified water flows is formed in a radial direction and one end is clogged;
  • a feed screen disposed at the center of the reverse osmosis membrane sheet for securing a moving path of the raw water flowing through the outer end, wherein the fluid flow path is extended.
  • a filter housing having an upper opening and a lower opening connected to an opening of the housing, the upper and lower ends of the filter housing being connected to each other;
  • reverse osmosis membrane module according to any one of claims 1 to 3, wherein the reverse osmosis membrane module comprises a reverse osmosis membrane module An RO filter for separating the purified water into concentrated water that can not pass through the reverse osmosis membrane sheet and is filtered to be filtered;
  • the raw water such as tap water is moved in the longitudinal direction of the reverse osmosis membrane sheet of the RO filter, and the foreign matter contained in the raw water is filtered to increase the purified water production amount, thereby improving the water purification efficiency.
  • the hose coupling structure connected to the filter housing by the passage switching guide mounted to the opening of the filter housing and having the raw water inlet, the water outlet and the concentrated water outlet is simplified, and workability can be improved.
  • the raw water flowing into the filter housing through the raw water inlet flows in one direction through a wide surface of the side edge of the RO filter, so that the efficiency of processing the purified water can be increased by increasing the purified water production amount.
  • FIGS 1, 2 and 3 are schematic diagrams of RO filters according to the prior art
  • FIG. 4 is a schematic view of a sidestream flow type RO filter in which a flow path is integrally formed according to an embodiment of the present invention
  • FIG. 5 is a schematic view of an outer wrap of an RO filter according to an embodiment of the present invention.
  • FIG. 6 is a schematic view of a sidestream flow type RO filter in which a flow path according to another embodiment of the present invention is integrally formed
  • FIG. 7 is a schematic view of a sidestream flow type RO filter in which a flow path according to another embodiment of the present invention is integrally formed.
  • FIG. 4 (a) and 4 (b) are schematic views of a sidestream flow type RO filter in which a flow path according to an embodiment of the present invention is formed
  • FIG. 4 (c) is a plan view of the RO filter
  • Fig. 4 (e) is a view for explaining the extension of the fluid passage.
  • a central pipe (56) formed radially with a through hole (55) through which a purified water purified water flows, and a closed end;
  • a reverse osmosis membrane sheet 53 which is wound around the central pipe 56 in a spiral shape; a raw water flowing through the outer end of the reverse osmosis membrane sheet 53 in the longitudinal direction to perform a water treatment; And the concentrated water filtered by the reverse osmosis membrane sheet 53 is discharged to the discharge hole 65 formed in contact with the outer surface of the central pipe 56, ;
  • a feed screen (not shown) disposed in the center of the reverse osmosis membrane sheet 53 (between the bag-shaped sheet and the sheet) for securing a moving path of the raw water flowing through the outer end Respectively.
  • the RO filter 54 is sealed at one end and sealed at the other end except for the discharge hole 65.
  • Raw water is introduced into the reverse osmosis membrane sheet 53 through the outer end of the RO filter 54, And the purified water that has been purified is moved to the central pipe 56 and the concentrated water filtered by the reverse osmosis membrane sheet 53 is moved to the discharge hole 65.
  • a sidestream flow type RO filter in which a filter housing is of a one-touch type in which a flow path is integrally formed according to an embodiment of the present invention
  • a filter housing 52 having a lower end connected to an opening of the housing 50 and a cap 51 having upper and lower ends opened;
  • a central pipe 56 disposed at the center of the RO filter 54 and collecting purified water passing through the through hole 55 radially penetrating through the reverse osmosis membrane sheet 53 after purified by the reverse osmosis membrane sheet 53;
  • a raw water inlet 57 mounted at an opening of the filter housing 52 for moving raw water introduced from the outside to an outer end of the reverse osmosis membrane sheet 53 of the RO filter 54, A concentrated water discharge port 58 for discharging the concentrated water flowing from the seat 53 to the outside and a purified water discharge port 59 for discharging the purified water flowing through the outlet of the central pipe 56 to the outside, (60).
  • the raw water inflow port 57 is formed at the center of the passage switching guide 60, the concentrated water discharge port 58 is formed outside the raw water inflow port 57, (59) is formed between the raw water inlet (57) and the concentrated water outlet (58).
  • the arrangement of the raw water inlet 57, the concentrated water outlet 58, and the purified water outlet 59 in the passage switching guide is not limited to this, and can be suitably modified and used as needed.
  • the outlet of the central pipe 56 is connected to the purified water outlet 59 of the channel switching guide 60 and the purified water in the central pipe 56 is connected to the purified water outlet 59 of the channel switching guide 60, And a connector 61 for moving the connector 61 to the second position.
  • the reverse osmosis membrane module according to the present invention is characterized in that it is mounted on the upper and lower outer circumferences of the connector 61 to prevent mutual mixing of the concentrated water discharged from the reverse osmosis membrane sheet 53 and the purified water discharged from the central pipe 56
  • An O-ring 62 may be provided.
  • the lower end of the sealing member 54 may be bonded by a usual adhesive to perform a sealing process.
  • the raw water flowing into the filter housing 52 through the raw water inlet 57 is directly supplied to the reverse osmosis membrane sheet 53 through the lower end of the RO filter 54, And a lower holder 63 (lower holder) for preventing entry thereof.
  • the lower holder 63 may firmly fix the wind-up type reverse osmosis membrane sheet 53 to prevent deformation of the sheet shape over time.
  • a lower holder may be provided by applying an adhesive to a lower end of the RO filter 54 or a contact surface of the lower holder 63 with a filter and then coupling the RO filter 54 and the lower holder 63 It is possible.
  • the RO filter 54 (The upper end of the reverse osmosis membrane sheet 53 except for the discharge hole 65 is bonded).
  • the reverse osmosis membrane sheet 53 can be sealed by bonding with an ordinary adhesive.
  • the reverse osmosis membrane sheet 53 is formed to seal the upper end of the reverse osmosis membrane sheet 53 of the RO filter 54 and prevents the concentrated water discharged from the reverse osmosis membrane sheet 53 of the RO filter 54 from flowing back to the upper portion of the reverse osmosis membrane sheet 53 And an upper holder 64 (upper holder).
  • the upper holder 64 can firmly fix the winding type reverse osmosis membrane sheet 53 to prevent deformation of the sheet shape over time.
  • An upper holder may be provided by applying an adhesive to an upper surface of the RO filter 54 or a contact surface of the upper holder 64 and then joining the RO filter 54 and the upper holder 64 It is possible.
  • the concentrated water discharged from the reverse osmosis membrane sheet 53 of the RO filter 54 is formed between the outer periphery of the central pipe 56 and the inner periphery of the upper holder 64, And a discharge hole 65 for transferring the water to the water outlet 58.
  • the size of the discharge hole 65 is in the range of 1: 0.5 to 3.0 relative to the inlet port (not shown in the drawing) through which the raw water is introduced through the outer end of the reverse osmosis membrane sheet 53 of the RO filter 54.
  • the flow rate of the raw water passing through the reverse osmosis membrane sheet 53 of the RO filter 54 is slowed so that impurities are accumulated on the surface of the reverse osmosis membrane sheet 53 And can interfere with the flow of raw water.
  • the size of the discharge hole 65 is more than three times the size of the inlet, the surface area of the reverse osmosis membrane sheet 53 to which the raw water contacts is small, and the residence time of the raw water in the RO filter 54 is short It is possible to reduce the water purification efficiency.
  • the filter is installed on the outer periphery of the upper holder 64 and is used to prevent the concentrated water discharged from the reverse osmosis membrane sheet 53 and the raw water flowing into the filter housing 52 through the raw water inlet 57 from being mixed with each other
  • An O-ring 66 may be provided.
  • the configuration of the RO filter 54 for purifying the raw water flowing into the filter housing 52 from the outside and separating the raw water into purified water and concentrated water and discharging the purified water is a configuration of the RO filter 1 according to the prior art shown in FIG. And thus detailed description of these configurations will be omitted.
  • An outer film (not shown) may be formed on the outer circumferential surface of the RO filter 54 wound around the central pipe 56 in a spiral shape.
  • the outer film serves to fix the wound form of the RO filter 54 during manufacture thereof.
  • a raw water inflow hole 67 may be formed in the outer membrane 66 of the RO filter.
  • the method for forming the raw water inflow hole is not particularly limited, and the shape and the number of the raw water inflow hole are not particularly limited. When the pores are uniformly formed over the entire outer membrane, the raw water can be introduced at a high flow rate, thereby preventing accumulation of waste materials.
  • the raw water is supplied from the outside through the raw water inlet port 57 of the flow path changeover guide 60 and through the raw water flow path between the inner circumference of the housing 50 and the outer circumference of the reverse osmosis membrane sheet 53, The raw water flows into the side surface of the RO filter 54 through the outer end of the reverse osmosis membrane sheet 53 formed into a roll type being).
  • Raw water introduced into the filter housing 52 flows through the outer end of the reverse osmosis membrane sheet 53 on the side of the roll type RO filter 54 and then flows along the reverse osmosis membrane sheet 53 in the longitudinal direction ) In the longitudinal direction).
  • Raw water that is moved in the longitudinal direction along the reverse osmosis membrane sheet 53 passes through the fine pores of the reverse osmosis membrane sheet 53 and purified water is passed through the through holes 55 of the central pipe 56, And is collected in the constant flow passage.
  • the purified water collected in the constant flow passage in the central pipe 56 flows upward through the connector 61 connected to the outlet of the central pipe 56 and flows through the flow channel switching guide 60, Through the water outlet 59 of the filter housing 52.
  • the concentrated water that has not been able to pass through the fine pores of the reverse osmosis membrane sheet 53 moves along the reverse osmosis membrane sheet 53 in the longitudinal direction (i.e., the longitudinal direction of the reverse osmosis membrane sheet 53) Is discharged through an exhaust hole (65) formed between the inner periphery of the upper holder (64) sealed at the upper end of the reverse osmosis membrane sheet (53) and the outer periphery of the connector (61).
  • the concentrated water discharged from the reverse osmosis membrane sheet 53 of the RO filter 54 through the discharge hole 65 is discharged from the filter housing 52 through the concentrated water outlet 58 of the flow path switching guide 60 Can be discharged.
  • the reverse osmosis membrane sheet 53 is discharged from the reverse osmosis membrane sheet 53 by the upper holder 64 sealed at the upper end of the reverse osmosis membrane sheet 53 of the RO filter 54, It is possible to prevent the concentrated water flowing backward from the reverse osmosis membrane sheet 53 of the RO filter 54 and flowing into the reverse osmosis membrane sheet 53.
  • Raw water flowing into the filter housing 52 to flow into the reverse osmosis membrane sheet 53 of the RO filter 54 and concentrated water discharged from the reverse osmosis membrane sheet 53 of the RO filter 54 through the discharge hole 65 The number can be prevented from being mixed with each other by the O-ring 66 mounted on the outer periphery of the upper portion of the upper holder 64.
  • the concentrated water that is moved to the concentrated water outlet 58 of the flow path switching guide 60 is installed at the upper and lower outer circumferences of the connector 61 so that the clearance between the central pipe 56 and the water inlet of the flow path switching guide 60 Mixing with each other by the airtight seal 62.
  • a side flow type RO filter having an integrated flow path includes a housing having an upper end opened and a lower end at a lower end to form a concentrated water outlet 58;
  • the reverse osmosis membrane sheet 53 is inserted into the filter housing 52 and moved in the longitudinal direction of the reverse osmosis membrane sheet 53 to extend the residence time of the raw water flowing into the side through the outer end of the reverse- An RO filter 54 separating the purified water passing through the reverse osmosis membrane sheet 53 into purified water and concentrating water that can not pass through the reverse osmosis membrane sheet 53;
  • a purified water outlet 59 installed at the opening of the filter housing 52 for discharging purified water flowing through the outlet of the central pipe 56 to the outside and a raw water inlet 57 through which raw water flows from the outside, And a flow path switching guide 60.
  • the purified water outlet 59 is formed at the center of the channel switching guide 60 and the raw water inlet 57 is formed outside the purified water outlet 59.
  • the arrangement of the raw water inlet 57 and the purified water outlet 59 in the flow path switching guide is not limited to this, and can be suitably modified and used as needed.
  • a side flow type RO filter in which a flow path is integrally formed includes a housing 50 having an upper end opened and a lower end at a lower end to form a nozzle outlet 59, 50), and a cap (51) whose upper and lower ends are open;
  • the reverse osmosis membrane sheet 53 is inserted into the filter housing 52 and moved in the longitudinal direction of the reverse osmosis membrane sheet 53 to extend the residence time of the raw water flowing into the side through the outer end of the reverse- An RO filter 54 separating the purified water passing through the reverse osmosis membrane sheet 53 into purified water and concentrating water that can not pass through the reverse osmosis membrane sheet 53;
  • a concentrated water discharge port 58 installed at an opening of the filter housing 52 for discharging the concentrated water discharged from the RO filter 54 to the outside and a raw water inlet 57 for receiving raw water from the outside, And a switching guide 60 are provided.
  • the concentrated water outlet 58 is formed at the center of the passage switching guide 60 and the raw water inlet 57 is formed outside the concentrated water outlet 58.
  • the arrangement of the raw water inlet 57 and the concentrated water outlet 58 in the passage switching guide in the present invention is not limited to this, and can be suitably modified and used as needed.
  • FIGS. 4B The structure excluding the knock type water outlet 59 formed at the lower end of the housing 50 and the flow path switching guide 60 formed with the raw water inlet 57 and the concentrated water outlet 58 is shown in FIGS. 4B. Therefore, a detailed description of these components will be omitted, and the same reference numerals will be used for the duplicated components.
  • the raw water inlet, the purified water outlet, and the concentrated water outlet may be arranged in various combinations in the sidestream flow type RO filter in which the flow path of the present invention is integrally formed.
  • a knee-type raw water inlet may be formed at the lower end of the housing, and a flow path switching guide formed with a purified water outlet and a concentrated water outlet may be disposed in the opening of the housing.
  • the raw water flowing into the filter housing 52 through the raw water inlet 57 of the passage switching guide 60 is introduced into the reverse osmosis membrane of the roll type RO filter 54 as described above,
  • the raw water is moved in the longitudinal direction of the reverse osmosis membrane sheet 53 having a bag shape and the foreign substances harmful to the human body contained in the raw water are filtered by the reverse osmosis membrane sheet 53
  • the movement passage of the raw water is extended.
  • the filtration member 2 formed in the roll type has an upper surface,
  • the raw water is moved in the width direction of the filtration member 2 (referred to as the lateral direction of the filtration member 2) as the lower end is opened, so that the raw water movement passage for moving the raw water is relatively shortened, The efficiency of the water purification that generates the purified water is lowered).
  • the hose coupling structure connected to the filter housing by the passage switching guide mounted to the opening of the filter housing and having the raw water inlet, the water outlet and the concentrated water outlet is simplified, and workability can be improved.
  • the positions of the raw water inlet, the purified water outlet and the concentrated water outlet can be arranged in various combinations and the filter housing having the unidirectional nipple structure or the bidirectional nipple structure can be used, It is easy to suitably change the structure.

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

Abstract

Un filtre OI du type à flux latéral comprenant un canal d'écoulement formé d'une seule pièce, selon la présente invention, comprend : un boîtier de filtre comprenant un boîtier présentant une extrémité supérieure ouverte, et un capuchon comprenant une extrémité inférieure qui est raccordée à une ouverture sur le boîtier, une extrémité supérieure et l'extrémité inférieure du capuchon étant ouvertes ; un filtre OI incorporé à l'intérieur du boîtier, pour transporter de l'eau brute introduite à partir d'une surface latérale à travers une extrémité de côté externe d'une feuille d'osmose inverse, qui est enroulée sous la forme d'un rouleau, dans la direction longitudinale de la feuille d'osmose inverse pour augmenter la durée pendant laquelle l'eau brute reste dans le filtre OI, le filtre OI séparant l'eau filtrée qui est filtrée en passant à travers la feuille d'osmose inverse, de l'eau condensée qui est filtrée en ne passant pas par la feuille d'osmose inverse ; un tuyau central formé au niveau du centre du filtre OI, pour collecter en son sein l'eau filtrée qui est filtrée par la feuille OI et est passée à travers un trou traversant formé dans la direction du rayon ; un guide de conversion de canal d'écoulement comprenant une entrée d'eau brute installée sur l'ouverture du boîtier de filtre pour introduire de l'eau brute à partir de l'extérieur, une sortie d'eau condensée pour évacuer l'eau condensée introduite à partir de la feuille d'osmose inverse dans le filtre OI vers l'extérieur, et une sortie d'eau filtrée pour évacuer l'eau filtrée introduite par le biais d'une sortie sur le tuyau central vers l'extérieur.
PCT/KR2016/011749 2015-12-29 2016-10-19 Filtre oi du type à flux latéral comprenant un canal d'écoulement formé d'une seule pièce WO2017115986A1 (fr)

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KR1020187007630A KR102643478B1 (ko) 2015-12-29 2016-10-19 유로가 일체형으로 형성된 측류유동형 ro필터

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KR20150188913 2015-12-29
KR10-2015-0188913 2015-12-29
KR20160026122 2016-03-04
KR10-2016-0026122 2016-03-04

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WO2017115986A1 true WO2017115986A1 (fr) 2017-07-06

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CN (2) CN106925129A (fr)
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Cited By (9)

* Cited by examiner, † Cited by third party
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CN107185408A (zh) * 2017-07-25 2017-09-22 佛山市顺德区盈沣泰环保科技有限公司 一种内芯组件
CN109569304A (zh) * 2019-01-21 2019-04-05 深圳安吉尔饮水产业集团有限公司 一种反渗透膜元件及其密封套
KR20190041243A (ko) * 2017-10-12 2019-04-22 코웨이 주식회사 역삼투압여과모듈 및 이를 포함하는 역삼투압필터
CN111888936A (zh) * 2019-09-17 2020-11-06 广东韦博科技有限公司 侧进水的简易型过滤组件及应用其的滤芯结构
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CN114011246B (zh) * 2021-10-29 2024-04-02 浙江沁园水处理科技有限公司 一种侧流膜滤芯组件
CN116835718A (zh) * 2023-08-02 2023-10-03 江苏久智环境科技服务有限公司 一种用于灌溉系统的水质过滤器
CN116835718B (zh) * 2023-08-02 2024-04-05 江苏久智环境科技服务有限公司 一种用于灌溉系统的水质过滤器

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