WO2015005022A1 - 分離膜モジュール - Google Patents

分離膜モジュール Download PDF

Info

Publication number
WO2015005022A1
WO2015005022A1 PCT/JP2014/064781 JP2014064781W WO2015005022A1 WO 2015005022 A1 WO2015005022 A1 WO 2015005022A1 JP 2014064781 W JP2014064781 W JP 2014064781W WO 2015005022 A1 WO2015005022 A1 WO 2015005022A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
casing
membrane
tube
molding block
Prior art date
Application number
PCT/JP2014/064781
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
紀博 高崎
修 明神
大登 山崎
増美 日野
田中　裕二
Original Assignee
三菱化学エンジニアリング株式会社
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 三菱化学エンジニアリング株式会社 filed Critical 三菱化学エンジニアリング株式会社
Publication of WO2015005022A1 publication Critical patent/WO2015005022A1/ja

Links

Images

Classifications

    • 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
    • B01D63/06—Tubular membrane modules
    • B01D63/069—Tubular membrane modules comprising a bundle of tubular membranes
    • 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
    • B01D61/36—Pervaporation; Membrane distillation; Liquid permeation
    • B01D61/362—Pervaporation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2313/00—Details relating to membrane modules or apparatus
    • B01D2313/02—Specific tightening or locking mechanisms
    • B01D2313/025—Specific membrane holders
    • 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
    • B01D2313/23—Specific membrane protectors, e.g. sleeves or screens

Definitions

  • the present invention relates to a separation membrane module, and more particularly to a separation membrane module used for permeation vaporization and the like, which can be manufactured at a low cost and can fully exhibit membrane performance. .
  • a separation membrane in which many tubular separation membranes (membrane tubes) are accommodated in a cylindrical casing
  • water is selectively permeated into the membrane tube for recovery and removal by evacuating the inside of the membrane tube while passing the ethanol solution, which is the fluid to be treated, from one end of the casing to the other end.
  • the fluid to be treated can be applied regardless of liquid or vapor.
  • the separation membrane module having a double tube structure a large number of sheath tubes (outer tubes) are arranged in the casing, and the membrane tubes are respectively inserted into the sheath tubes, and the fluid to be treated is placed in a slight gap between the sheath tube and the membrane tube.
  • the flow velocity of the fluid on the surface of the separation membrane is increased (see Patent Document 1).
  • the separation membrane module having a baffle structure several baffles are arranged in a normal state in which the length direction of the casing is divided inside the casing, and the membrane tube is bridged over a number of support holes provided in each baffle. keeping. And the arrangement
  • the separation membrane module of the double tube structure can increase the flow velocity of the fluid to be processed on the surface of the membrane tube and can obtain high separation performance, but the structure is complicated and difficult to assemble, and it is difficult to reduce the production cost.
  • the separation membrane module having the baffle structure is relatively easy to manufacture, but has a problem in that a staying portion of the fluid to be treated is easily generated in the casing and the separation performance cannot be sufficiently improved.
  • the present invention has been made in view of the above situation, and an object of the present invention is a separation membrane module in which a membrane tube is accommodated in a casing, which is simple in structure and can be manufactured at a lower cost.
  • another object of the present invention is to provide a separation membrane module capable of further increasing the flow rate of the fluid to be treated on the surface of the membrane tube and sufficiently exhibiting membrane performance.
  • a columnar molding block is filled in the casing, and a large number of them are provided along the length direction of the molding block.
  • the membrane tube is inserted into each of the tube holding holes so that the membrane tube is held in the casing, and the fluid to be treated supplied from one end side of the casing is introduced into the tube holding hole of the molding block to hold the tube.
  • the gist of the present invention is a separation membrane module in which a number of membrane tubes are accommodated in a cylindrical casing along the length direction of the casing, and a fluid inlet is provided on one end side of the casing.
  • a fluid outlet is provided on the other end side of the casing, a permeated component discharge port is provided on the other end side or one end side of the casing, and the inside of the casing temporarily receives the fluid to be treated introduced from the fluid inlet.
  • a fluid introduction chamber that collects the processed fluid to be collected and discharged from the fluid outlet, and a permeated component collection chamber that collects the components that have permeated through the membrane tube and discharged from the permeated component discharge port
  • the casing is filled with a columnar molding block that fits into a cylinder of the casing, and the molding block has an inner diameter larger than the outer diameter of the membrane tube.
  • a number of holding holes are provided in parallel and in parallel along the length direction of the molding block, each membrane tube is inserted through the tube holding hole of the molding block, and the fluid to be treated in the fluid introduction chamber is
  • the separation membrane module is configured to flow to the fluid recovery chamber through the tube holding hole of the molding block.
  • the casing is filled with the columnar molding block and each membrane tube is inserted into the tube holding hole of the molding block, it is very easy to manufacture and at a lower cost. Can be produced.
  • the fluid to be treated introduced into the casing from the fluid inlet passes through the gap between the tube holding hole of the forming block and the membrane tube and is discharged from the fluid outlet to the outside of the casing. Since the flow rate of the processing fluid can be increased and the stirring efficiency can be increased, and a high contact efficiency of the fluid with respect to the surface of the membrane tube can be obtained, the membrane performance can be sufficiently exhibited.
  • the module of the present invention can be configured as a module used in various membrane separation methods such as an osmosis vaporization method, an ultrafiltration membrane method, and a reverse osmosis membrane method.
  • the pervaporation method uses a polymer membrane or an inorganic membrane having fine pores at the molecular level, and evaporates some of the components of the fluid to be treated through the membrane by keeping the permeate side of the membrane in a vacuum state. It is a separation method that separates and concentrates components mixed at the molecular level, and is applied to the removal of water from organic solvents.
  • the reverse osmosis membrane method uses an osmotic membrane having fine pores that transmit water and do not transmit impurities other than water such as ions and salts, and supplies a fluid to be treated by applying a pressure higher than the osmotic pressure.
  • the separation method allows only water molecules to permeate through the osmotic membrane, and is applied to the production of pure water.
  • the present invention can constitute a module applicable to various membrane separation methods by appropriately selecting a membrane tube (separation membrane).
  • a module used for a pervaporation method will be described. explain.
  • the module of the present invention is configured by accommodating a large number of membrane tubes (separation membranes) 5 along a length of the casing in a cylindrical casing 1, for example, a cylindrical casing 1.
  • the casing 1 is a stainless steel container having excellent solvent resistance, and is generally designed to have a total length of about 100 to 2500 mm and a diameter of about 50 to 1000 mm.
  • the casing 1 is configured by sealing both ends of a cylindrical casing body 10 with a lid member 11 and a sealing member 12.
  • the lid member 11 is a disk-like member that seals one end of the casing body 10 (the right end in FIG. 1), and a fluid inlet 1a for introducing a fluid to be processed is provided at the center thereof.
  • the sealing member 12 is a short-axis bottomed cylindrical cup-shaped member that seals the other end (the left end in FIG. 1) of the casing body 10, and the membrane tube 5 is transmitted through the center thereof.
  • a transmissive component discharge port 1c for taking out the transmissive component is provided.
  • the sealing member 12 on the other end side of the casing 1 is attached to the casing body 10 via the partition wall 2, and a fluid outlet 1 b is provided at the other end portion of the casing body 10 adjacent to the partition wall 2. It has been.
  • the casing body 10 is filled with a molding block 6 to be described later in a state of being retracted from both ends of the casing body, and a space portion in which the fluid to be treated is temporarily stored is located at both ends of the casing body 10. Is formed.
  • the fluid inlet 1 a is provided on one end side of the casing 1
  • the fluid outlet 1 b is provided on the other end side of the casing 1
  • 1 c is provided on the other end side of the casing 1.
  • a partition wall 2 is provided on one end side of the casing 1, a permeation component recovery chamber 3C is disposed adjacent to the fluid introduction chamber 3A, and a permeation component is disposed on one end side of the casing 1 adjacent to the fluid inlet 1a.
  • a discharge port 1c may be provided.
  • the membrane tube 5 is configured by, for example, forming a zeolite membrane on the surface of a tubular inorganic porous support (base material tube).
  • the substrate tube is chemically stable so that zeolite can be crystallized into a film, and is not particularly limited as long as it is porous.
  • silica, ⁇ -alumina, ⁇ -alumina, mullite examples thereof include sintered ceramics such as zirconia, titania, yttria, silicon nitride, and silicon carbide, sintered metals such as iron, bronze, and stainless steel, glass, resin, and carbon molded body.
  • the zeolite membrane may be formed on the outer surface of the substrate tube, may be formed on the inner surface, or may be formed on both surfaces depending on the application.
  • a method for forming a zeolite membrane a method of crystallizing zeolite in a film shape on a base tube, a method of fixing zeolite to the base tube with an inorganic binder or an organic binder, a method of fixing a polymer in which zeolite is dispersed
  • a method of fixing the zeolite to the base tube by impregnating the zeolite slurry into the base tube or sucking the zeolite slurry.
  • the membrane tube 5 is designed to have an outer diameter of about 8 to 20 mm, an inner diameter of about 6 to 18 mm, and a length of about 50 to 2000 mm. And many are accommodated in the inside of the casing main body 10 of said casing 1.
  • FIG. The number of membrane tubes 5 is set to about 5 to 500 depending on the size and capability of the module, but is generally about 20 to 100.
  • the membrane tube 5 has one end sealed and the other end open. The other open end of the membrane tube 5 is attached to the partition wall 2 while being inserted into a mounting hole provided in advance in the partition wall 2 and opened to the permeation component recovery chamber 3C.
  • the casing 1 in order to hold the membrane tube 5 in the casing 1, the casing 1 is filled with a columnar molding block 6 that fits in a cylinder of the casing.
  • the molding block 6 is a briquette-like molded body formed of a processable material such as resin, glass, rubber, or metal.
  • the molding block 6 includes a membrane tube 5.
  • a large number of tube holding holes 6h having an inner diameter larger than the outer diameter are provided in parallel and in parallel along the length direction of the molding block. Each membrane tube 5 is inserted through a tube holding hole 6 h of the molding block 6.
  • the outer diameter of the molding block 6 is designed to be in sliding contact with the casing body 10 of the casing 1 as shown in FIG. Further, the entire length of the molding block 6 is designed to be shorter than the length of the casing body 10 of the casing 1 in order to constitute the fluid introduction chamber 3A and the fluid recovery chamber 3B. Specifically, the total length of the molding block 6 is set to 60 to 98% of the length of the casing body 10.
  • the molding block 6 may be divided into a plurality of pieces, for example, about 2 to 6, as shown in FIG.
  • the molding block 6 may be divided into, for example, four short-axis cylindrical shapes as shown in FIG.
  • the forming block 6 is fixed in the casing 1 with a plurality of tie rods 4.
  • the tie rod 4 is constituted by a long screw (dimension bolt) or the like, and is hooked on the partition wall 2 by a nut screwed to the base end thereof.
  • the molding block 6 is held at a predetermined position of the casing body 10 by tightening another nut screwed to the proximal end side of the tie rod 4 and a nut screwed to the distal end side of the tie rod 4. ing.
  • the number of tie rods 4 can be set as appropriate according to the size of the molding block 6.
  • the tube holding hole 6h of the forming block 6 supports the membrane tube 5 and functions as a passage through which the fluid to be processed flows. Therefore, the tube holding hole 6h needs to be designed larger than the outer diameter of the membrane tube 5. However, if the tube holding hole 6h is too large with respect to the membrane tube 5, the membrane tube 5 may move and be damaged, and the flow rate of the fluid to be treated on the surface of the membrane tube 5 becomes low, so that the membrane The contact efficiency with respect to the tube 5 falls. Therefore, the gap between the tube holding hole 6h and the membrane tube 5 is set to 10 mm or less, preferably 0.5 to 2 mm.
  • the module of the present invention has a structure in which the molding block 6 is filled in the casing 1, and the fluid to be treated is supplied from the fluid inlet 1a to the fluid introduction chamber 3A, and the fluid introduction chamber 3A.
  • the fluid to be processed flows into the fluid recovery chamber 3B through the tube holding hole 6h of the molding block 6, the fluid to be processed in the fluid recovery chamber 3B is discharged from the fluid outlet 1b, and the fluid to be processed flows through the tube holding hole 6h.
  • the permeation component recovery chamber 3C is evacuated through the permeation component discharge port 1c to perform the separation operation with the membrane tube 5.
  • the membrane tube 5 is relatively placed in the tube holding hole 6 h of the molding block 6. It can be manufactured by filling the casing body 10 with the molding block 6 and then sealing the end of the casing body 10 with the lid member 11 and the sealing member 12. That is, the module of the present invention has a simple structure in which the casing 1 is filled with the columnar molding block 6 and each membrane tube 5 is inserted into the tube holding hole 6h of the molding block 6, so that it can be manufactured very easily. And can be manufactured at a lower cost.
  • the fluid to be processed is supplied from the fluid inlet 1a to the fluid introduction chamber 3A, and the fluid to be processed collected in the fluid recovery chamber 3B is discharged from the fluid outlet 1b. Then, while the fluid to be processed flows from the fluid introduction chamber 3A to the fluid recovery chamber 3B through the tube holding hole 6h of the forming block 6, the permeated component recovery chamber 3C is evacuated through the permeated component discharge port 1c, whereby the membrane tube 5 And the permeated component separated and recovered in the permeated component recovery chamber 3C is discharged from the permeated component discharge port 1c.
  • the fluid to be processed introduced from the fluid inlet 1a into the fluid introduction chamber 3A in the casing 1 passes through the gap between the tube holding hole 6h of the forming block 6 and the membrane tube 5.
  • the flow of the fluid to the fluid recovery chamber 3B is discharged from the fluid outlet 1b to the outside of the casing 1, and the flow rate of the fluid to be treated on the surface of the membrane tube 5 can be increased and the stirring efficiency can be increased. Therefore, the membrane performance can be sufficiently exhibited.
  • the module of the present invention can also be applied to the ultrafiltration membrane method and the reverse osmosis membrane method.
  • a pressure difference is provided between the fluid introduction chamber 3A and the permeation component recovery chamber 3C, and the pressure difference is utilized.
  • a predetermined component of the fluid to be processed is allowed to permeate through the membrane tube 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
PCT/JP2014/064781 2013-07-11 2014-06-03 分離膜モジュール WO2015005022A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-145832 2013-07-11
JP2013145832A JP6015580B2 (ja) 2013-07-11 2013-07-11 分離膜モジュール

Publications (1)

Publication Number Publication Date
WO2015005022A1 true WO2015005022A1 (ja) 2015-01-15

Family

ID=52279715

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/064781 WO2015005022A1 (ja) 2013-07-11 2014-06-03 分離膜モジュール

Country Status (3)

Country Link
JP (1) JP6015580B2 (zh)
TW (1) TWI642473B (zh)
WO (1) WO2015005022A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7375309B2 (ja) * 2019-03-13 2023-11-08 三菱ケミカル株式会社 分離膜モジュール

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004035182A1 (ja) * 2002-10-07 2004-04-29 Bussan Nanotech Research Institute, Inc. 多管式分離膜モジュール
JP2006124233A (ja) * 2004-10-29 2006-05-18 Japan Steel Works Ltd:The 改質反応器
JP2009066503A (ja) * 2007-09-12 2009-04-02 Hitachi Zosen Corp 分離膜モジュール

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004035182A1 (ja) * 2002-10-07 2004-04-29 Bussan Nanotech Research Institute, Inc. 多管式分離膜モジュール
JP2006124233A (ja) * 2004-10-29 2006-05-18 Japan Steel Works Ltd:The 改質反応器
JP2009066503A (ja) * 2007-09-12 2009-04-02 Hitachi Zosen Corp 分離膜モジュール

Also Published As

Publication number Publication date
TWI642473B (zh) 2018-12-01
JP2015016439A (ja) 2015-01-29
JP6015580B2 (ja) 2016-10-26
TW201515691A (zh) 2015-05-01

Similar Documents

Publication Publication Date Title
AU2011293757B2 (en) Fluid filter module including end cap with sealed boss
WO2012147534A1 (ja) セラミックフィルターの洗浄方法
JP6830503B2 (ja) 複合多孔質構造体の製造方法およびそれにより製造された複合多孔質構造体
JP5818590B2 (ja) 微細気泡形成装置
JP2016190220A (ja) 膜蒸留システムおよびその運転方法
JP6015580B2 (ja) 分離膜モジュール
JP6500499B2 (ja) 分離膜モジュール及びその運転方法
JP2021016858A (ja) 分離装置、および、分離装置の運転方法
EP2208522A1 (en) Gas purification method
JP2016041419A (ja) 分離方法及び分離装置
JP2015186776A (ja) ゼオライト膜の評価方法
JP6320304B2 (ja) セラミックフィルタの使用方法及びフィルタ装置
WO2015146488A1 (ja) モノリス型分離膜構造体、モノリス型分離膜構造体の製造方法及び脱水方法
CN113164873A (zh) 膜蒸馏组件和膜蒸馏装置
JP2017042724A (ja) 分離方法
JP2017104827A (ja) 分離装置の使用方法及び分離装置
CN110719808B (zh) 脱水方法及脱水装置
JP2016179417A (ja) 分離方法及び分離装置
WO2016093192A1 (ja) 分離膜構造体及びその製造方法
JP3638426B2 (ja) 脱気用セラミック複合部材並びにそれを用いた脱気方法
JP2007203210A (ja) 膜モジュール及び膜分離方法
JP2006159144A (ja) 複合膜
JP2006231123A (ja) 複合膜
JP2019198809A (ja) 分離膜モジュール
JPWO2016024580A1 (ja) 分離方法及び分離装置

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: 14822074

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: 14822074

Country of ref document: EP

Kind code of ref document: A1