KR0160484B1 - Cutting method for hollow fiber membrane module - Google Patents
Cutting method for hollow fiber membrane moduleInfo
- Publication number
- KR0160484B1 KR0160484B1 KR1019920027210A KR920027210A KR0160484B1 KR 0160484 B1 KR0160484 B1 KR 0160484B1 KR 1019920027210 A KR1019920027210 A KR 1019920027210A KR 920027210 A KR920027210 A KR 920027210A KR 0160484 B1 KR0160484 B1 KR 0160484B1
- Authority
- KR
- South Korea
- Prior art keywords
- hollow fiber
- fiber membrane
- blade
- cutting
- membrane module
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims abstract description 65
- 239000012510 hollow fiber Substances 0.000 title claims abstract description 62
- 238000005520 cutting process Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000853 adhesive Substances 0.000 claims abstract description 14
- 230000001070 adhesive effect Effects 0.000 claims abstract description 14
- 239000004840 adhesive resin Substances 0.000 claims abstract description 9
- 229920006223 adhesive resin Polymers 0.000 claims abstract description 9
- 229910000997 High-speed steel Inorganic materials 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical class C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- -1 medical treatment Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000001856 Ethyl cellulose Substances 0.000 description 1
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920006389 polyphenyl polymer Polymers 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
- D06H7/04—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials longitudinally
-
- 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
- B01D63/02—Hollow fibre modules
- B01D63/021—Manufacturing thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/065—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates for thin material, e.g. for sheets, strips or the like
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
본 발명은 중공사막 모듈을 제조함에 있어 그 접착고정부를 절단하는 방법으로 다수의 중공사막을 적어도 한쪽단면을 집속하고 경화후 경도가 50도 이상인 접착수지로 접착고정한 중공사막 모듈의 접착고정부를 전후 왕복속도 1∼10회/sec, 하강속도 10∼100mm/min로 움직이는 한쪽면에 각이 없는 직선칼날로 절단하는 것이며 절단면의 불균일, 박리 및 중공사막의 폐쇄등이 일어나지 않고 연속절단이 가능하게 된다.The present invention focuses on at least one end surface of a plurality of hollow fiber membranes in a method of cutting the adhesive fixing portion in the manufacture of the hollow fiber membrane module, and the fixing fixing portion of the hollow fiber membrane module bonded and fixed with adhesive resin having a hardness of 50 degrees or more after curing. It is cut with a straight blade without angle on one side moving at 1 ~ 10 times / sec and 10 ~ 100mm / min descending speed. It is possible to make continuous cutting without uneven cutting surface, peeling and closing of hollow fiber membrane. do.
Description
제1도는 본 발명의 칼날의 측면도.1 is a side view of the blade of the present invention.
제2도 (a)는 일단봉지형 중공사막 모듈의 정면도.Figure 2 (a) is a front view of the single-sealed hollow fiber membrane module.
(b)는 양단개공형 중공사막 모듈의 정면도.(b) is a front view of the open end hollow fiber membrane module.
제3도는 본 발명에서 일단봉지형 중공사막 모듈의 절단작업을 보여주는 측면도 이다.Figure 3 is a side view showing the cutting operation of the single-sealed hollow fiber membrane module in the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for the main parts of the drawings
1 : 중공사막 2 : 접착고정부1: hollow fiber membrane 2: adhesion fixing part
3 : 하우징 4 : 직선칼날3: housing 4: straight blade
α1 : 전면경사각 α2 : 후면경사각α1: front tilt angle α2: rear tilt angle
ℓ : 전면경사면길이 t : 칼날의 두께ℓ: Front slope length t: Blade thickness
본 발명은 다수의 중공사막(中空絲膜)으로 된 중공사막 모듈의 접착고정부를 절단하는데 있어, 접착수지의 박리나 절단면의 불균일, 절단면에 개구된 중공사막의 구멍이 절단홈이나 절단 부스러기에 의해 폐쇄되는 일이 없이 개구된 상태로 효율적으로 절단하는 방법에 관한 것이다.The present invention is to cut the adhesion fixing part of the hollow fiber membrane module made of a plurality of hollow fiber membrane, the peeling of the adhesive resin, the unevenness of the cutting surface, the hole of the hollow fiber membrane opening in the cutting surface is cut into the cutting groove or the cutting chip The present invention relates to a method of efficiently cutting in an open state without being closed by the opening.
근년 마이크로(micro)단위 이하의 극소입자의 용해물질을 분리하는 방법으로 선택투과성을 갖는 중공사막을 이용한 분리막 기술이 현저하게 발전되어, 각종 공업용 액체용 기체의 처리용, 의료용, 초순수 제조용 등에 폭넓게 사용되고 있다.In recent years, the separation membrane technology using a hollow fiber membrane having a selective permeability as a method of separating the dissolved particles of micro particles of less than micro units has been significantly developed, and is widely used for the treatment of various industrial liquid gases, medical treatment, ultrapure water production, etc. have.
이러한것은 중공사막을 수천 ∼ 수만가닥 묶어 적어도 한쪽의 중공사막 내공을 개공된 상태로하고 접속부를 수지로 접착고정한 중공사막 모듈로서, 그의 양면을 개공상태로 사용하는 것(양면개공형 모듈)과, 한 면은 폐쇄하고 다른 한면을 개공시켜 사용하는 것(일면폐쇄형 모듈)이 알려져 있다.This is a hollow fiber membrane module which binds thousands to tens of thousands of hollow fiber membranes and makes at least one hollow fiber membrane inner hole open and adhesively fixes the connection part with resin, using both sides thereof in the open state (double-sided open module), It is known to use one side closed and the other side open (one side closed type module).
이러한 중공사막 모듈의 개공방법의 개략은, 다수의 중공사막을 적어도 한끝을 묶고, 이 묶음이 흩어지지 않도록 접착제나 고무링 등으로 고정한후, 여기에 수지를 중공사막의 다발에 주입하여 접착고정한 후, 불필요한 접착고정부를 절단하여 중공사막을 개공시키는 방법이 있다.Outline of the method of opening the hollow fiber membrane module is to bind at least one end of a plurality of hollow fiber membranes, fix the bundles with an adhesive or a rubber ring to prevent the bundles from scattering, and then inject the resin into the bundle of the hollow fiber membranes, There is a method of opening the hollow fiber membrane by cutting unnecessary adhesion fixing parts.
불필요한 중공사막 모듈의 접착고정부를 절단할 때, 중공사막의 성능을 충분히 발휘할 수 있도록 하기위해 중요한 것은 그 절단면은 평활하여야 하며, 절단된 중공사막의 개공부에 절단결점이 없고, 또한 원이 찌그러지지 않고 개공된 상태로서 중공사막의 내공에 막힘이 없아야 한다.When cutting the adhesive fixing part of the unnecessary hollow fiber membrane module, it is important to ensure that the hollow fiber membrane performance is fully exhibited. The cutting surface must be smooth, and there are no cutting defects in the opening of the cut hollow fiber membrane, and the circle is crushed. As it is opened without support, there should be no blockage in the hole of the hollow fiber membrane.
종래 이러한 요구에 부응한 중공사막 모듈 접착고정부의 절단방법으로서는 일특공소 61-146305호에 기재된 발명이 알려져 있다. 이 발명은 상온경도 75도 이상의 수지로 접착고정 후 중공사막 모듈의 불필요한 접착고정부를 원형칼날의 끝에 다이아몬드 조각을 전착고정한 매우 얇은 회전날이나 원형칼날의 끝에 비연속적으로 톱날을 고정한 회전날로 절단하는 것을 특징으로 한것이다.Conventionally, the invention described in Japanese Patent Application No. 61-146305 is known as a cutting method of the hollow fiber membrane module adhesion fixing part that meets such a demand. This invention is to cut the unnecessary adhesion fixing part of the hollow fiber membrane module with a very thin rotary blade or electrode blades discontinuously fixed to the end of the circular blade after the fixed fixing of the hollow fiber membrane module to the end of the circular blade after fixing the adhesive with a resin of room temperature hardness of 75 degrees or more It is characterized by.
그러나 전술한 종래 방법의 회전날은 다이아몬드 조각이 매우 얇은 원판형의 외주에 극소량으로 전착되어 있어 중공사막 모듈의 수가 많을 경우에는 쉽게 다이아몬드 단면이 회전날로 부터 떨어지며, 또 절단시에 발생하는 중공사막 모듈과 회전날과의 마찰열을 제거하기 위해 냉각수 공급장치를 필요로하여 절단장치가 커지는 단점이 있다. 또 회전날이 매우 얇아서 회전중에 날의 진동이 생길 수 있어 정확한 절단을 위해서는 사전에 절단면과 절단폭을 고려하여 칼날의 면밀한 밸런스(Balance) 조정이 필요하며, 밸런스 조정이 정확하지 않으면 절단중 칼날이 파손되면서 비산되어 안전에도 위험이 있다. 또한 원형칼날 끝에 연속적인 톱날을 고정한 원형회전날은, 접착고정부 절단시 절단에 의해 발생하는 절단수지 조각들이 개공될 중공사막의 내공을 폐쇄시키는 단점들을 갖고있다.However, the rotating blade of the conventional method described above is electrodeposited in a very small amount on the outer periphery of the disk shape of the very thin diamond pieces, so that when the number of hollow fiber membrane modules is large, the cross section of the diamond easily falls from the rotating blade, and the hollow fiber membrane module generated during cutting In order to remove the heat of friction with the rotary blades, there is a disadvantage in that the cutting device becomes large because a cooling water supply device is required. In addition, because the blade is very thin, vibration of the blade can occur during rotation. Therefore, in order to make accurate cutting, it is necessary to adjust the blade's precise balance in consideration of the cutting surface and the cutting width. There is a danger to safety because it is scattered while being damaged. In addition, the circular rotary blade fixed to the end of the circular blade has a disadvantage of closing the inner hole of the hollow fiber membrane to be cut the pieces of cutting resin generated by the cutting at the time of adhesive fixing.
따라서, 본 발명의 목적은 상기 종래방법의 전착칼날의 이탈, 마찰열의 발생, 밸런스 조정 및 중공사막의 폐쇄등의 문제점을 해결한 중공사막 모듈 접착고정부의 신규한 절단방법을 제공하는 것이다.Accordingly, it is an object of the present invention to provide a novel cutting method of a hollow fiber membrane module adhesion fixing part which solves problems such as detachment of electrodeposited blades, generation of frictional heat, balance adjustment and closure of hollow fiber membranes of the conventional method.
즉, 본 발명은 다수의 중공사막을 적어도 한쪽단면을 묶어 집속하고 경화 후 경도가 50도 이상인 접착수지로 접착고정한 중공사막 모듈의 접착고정부를 전후 상하로 움직이는 칼끝의 한쪽면에 각이 없는 직선칼날로 절단하는 것을 특징으로 하는 중공사막 모듈 접착고정부의 절단방법에 관한 것이다.That is, according to the present invention, a plurality of hollow fiber membranes are bundled at least on one end face, and a straight line without an angle on one side of a knife tip moving the fixing fixing part of the hollow fiber membrane module fixed and fixed with an adhesive resin having a hardness of 50 degrees or more after hardening back and forth It relates to a cutting method of the hollow fiber membrane module adhesive fixing portion characterized in that the cutting with a blade.
이하에 첨부한 도면을 참조하여 본 발명을 상세히 설명하면 다음과같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
본 발명은 다수의 중공사막(1) 다발을 한쪽(제2a도) 또는 양쪽(제2b도) 면을 묶어 집속하고 경화후 경도가 50도 이상인 접착수지로 집속면을 접착고정하여 형성한 접착고정부(2)위로 전후상하로 움직이는 직선칼날(4)이 접착고정부(2)를 절단하여 중공사막 모듈을 제조함에 있어, 상기 칼날의 구조가 전면경사각(α1) 5∼20도, 후면경사각(α2) 0도, 전면 경사면의 길이(ℓ) 3∼15mm, 칼날의 두께(t) 0.26∼5.17mm이고 그 재질이 초경합금, 고속도강 또는 세라믹인 것을 특징으로 한 중공사막 모듈 접착고정부의 절단방법이다.According to the present invention, a plurality of hollow fiber membranes 1 are bundled by binding one (FIG. 2a) or both (FIG. 2b) surfaces together, and the adhesive surface formed by bonding and fixing the focusing surface with an adhesive resin having a hardness of 50 degrees or more after curing. In manufacturing the hollow fiber membrane module by cutting the adhesive fixing part 2 by the straight blade 4 moving up and down and up and down on the government part 2, the structure of the blade is 5 to 20 degrees of the front inclination angle α1 and the rear inclination angle ( α2) The cutting method of the hollow fiber membrane module bonding fixing part characterized by 0 degree, the length of the front inclined surface (ℓ) 3-15mm, the blade thickness (t) 0.26 ~ 5.17mm and the material is cemented carbide, high speed steel or ceramic. .
본 발명에서는 또한 상기 칼날(4)의 전후 왕복속도가 1∼10/sec, 칼날과 접촉고정부 사이의 상대적인 접근속도(칼날의 하강속도)는 10∼100mm/min인 것을 특징으로 한다.In the present invention, the front and rear reciprocating speed of the blade 4 is 1 to 10 / sec, and the relative approach speed between the blade and the contact fixing part (falling speed of the blade) is 10 to 100 mm / min.
보다 상세하게, 제2a도는 일단폐쇄형 중공사막 모듈로서 이 모듈은 우리측에 개공부가 없고, 좌측이 개공된 다수의 중공사막(1)과, 중공사막의 개공끝 부분을 묶고 수지로 고정한 접착고정부(2)로 구성되어 있다.More specifically, Figure 2a is a one-time closed hollow fiber membrane module, which module has no openings on its side, and a plurality of hollow fiber membranes 1 having left openings, and bonding holes of the hollow fiber membranes tied together and fixed with resin. It consists of the government (2).
한편 제2b도는 양단면개공형 중공사막 모듈을 나타내는 것으로 양끝이 개공된 다수의 중공사막(1)과 그 양단면을 묶어 수지로 접착고정한 접착고정부(2)로서 구성되어 있다. 이들 중공사막 모듈은 다수의 중공사막(1)을 관상의 파이프내에 넣고 중공사막의 집속고정부(2)와 하우징(3)을 수지로 일체로 접착고정한 모듈이다.On the other hand, Fig. 2b shows a double-sided open type hollow fiber membrane module, and is composed of a plurality of hollow fiber membranes 1 having open ends, and an adhesive fixing part 2 in which both end faces are bonded and fixed with resin. These hollow fiber membrane modules are modules in which a plurality of hollow fiber membranes 1 are placed in a tubular pipe, and the adhesive fixing part 2 and the housing 3 of the hollow fiber membranes are integrally bonded and fixed with resin.
중공사막(1)은 액체 또는 기체에 대하여 선택투과성을 갖는 중공사형 고분자 분리막 또는 복합막등의 고분자 소재로 이루어져 있고, 이들 고분자재료로서는 특정하게 한정된 것은 아니나, 예를들면 PS, PAN, 초산셀룰로오즈, 에틸셀룰로오즈, 폴리페닐옥사이드, 폴리-4-메틸벤젠, 폴리페닐렌셀룰로오즈등의 폴리머가 있다. 중공사막의 외경은 바람직하게는 40∼2000㎛의 범위가 좋고, 보다 좋게는 300∼1500㎛의 범위이며, 중공사막의 다발직경은 보통 50∼150mm 이다.The hollow fiber membrane 1 is made of a polymer material such as a hollow fiber-type polymer separation membrane or a composite membrane having a permeability to a liquid or a gas, and the polymer material is not particularly limited, but for example, PS, PAN, cellulose acetate, Polymers such as ethyl cellulose, polyphenyl oxide, poly-4-methylbenzene, polyphenylene cellulose and the like. The outer diameter of the hollow fiber membrane is preferably in the range of 40 to 2000 µm, more preferably in the range of 300 to 1500 µm, and the bundle diameter of the hollow fiber membrane is usually 50 to 150 mm.
다수의 중공사막을 집속하고 그의 개공단면을 접착고정하는 수지로는, 예를들면 불포화폴리에스테르 수지, 불포화에폭시 수지, 에폭시 수지, 페놀수지, 요소 수지, 우레탄 수지 및 열경화성 접착수지에 티타늄, 실리카 등의 무기물을 충진제로서 첨가시킨 것과 글라스와 비닐등의 섬유를 분산시킨것등을 들수있고, 온도 20℃ 정도에서 경도가 50도 이상의, 특히 60 내지 80도 정도의 것이 좋다.Examples of the resin that focuses a number of hollow fiber membranes and bonds and fixes the open end surfaces thereof include, for example, unsaturated polyester resins, unsaturated epoxy resins, epoxy resins, phenol resins, urea resins, urethane resins, and thermosetting adhesive resins such as titanium and silica. And the like, which are added inorganic fillers and dispersed fibers such as glass and vinyl, and preferably have a hardness of 50 ° C. or higher, particularly 60 to 80 ° C. at a temperature of 20 ° C. or the like.
다음으로 본 발명에 따라 중공사막 모듈의 접착고정부(2)를 절단하는 방법을 제3도를 이용하여 설명한다. 제3도는 전술한 중공사막 모듈(2a도)을 직선형 칼날(4)로 절단하는 상황을 설명하는 측면도이다.Next, a method of cutting the adhesive fixing part 2 of the hollow fiber membrane module according to the present invention will be described with reference to FIG. FIG. 3 is a side view illustrating a situation of cutting the hollow fiber membrane module 2 (described above) with the straight blade 4.
중공사막 모듈을 지지대 고정세트위에 정위치로 하고 일정하게 전후운동하는 칼날(4)에 대하여 상기 지지대를 이동하거나 또는 정위치에 놓여있는 상기 지지대에 대하여 상기 직선칼날을 일정속도로 하강시켜 행한다.The hollow fiber membrane module is placed on a fixed set of supports, and the support is moved with respect to the blade 4 constantly moving back and forth, or the linear blade is lowered at a constant speed with respect to the support placed at the fixed position.
여기서 본 발명에 사용되는 상기 직선칼날(4)는 제1도에 나타내고 위에서 설명한 바와같이 칼날의 구조가 한쪽은 경사각이 없고(α2=0도), 전면만 경사각을 갖는(α1=5∼20도) 사각칼날로 그 두께는 0.26∼5.17mm인 것이다. α2도가 0도 이상이면 절단면의 불균일을 가져와 좋지않다. 또한 α1이 5도 이하이면 칼날의 강도가 좋지못해 절단면의 불균일을 가져오기 쉽고 반대로 α1이 20도를 초과하면 절단작업이 어려워지게 되어 바람직하지 않다.Here, the linear blade 4 used in the present invention is shown in FIG. 1 and as described above, one side of the blade has no inclination angle (α2 = 0 degrees), and only the front surface has an inclination angle (α1 = 5 to 20 degrees. Square blades have a thickness of 0.26∼5.17mm. If α2 degree is 0 degree or more, unevenness of cutting surface is brought, which is not good. In addition, if α1 is 5 degrees or less, the strength of the blade is not good, which leads to unevenness of the cutting plane. On the contrary, if α1 exceeds 20 degrees, the cutting operation becomes difficult, which is not preferable.
본 발명에서는 α1과 α2의 한정외에도 전면경사면의 길이(ℓ)를 3∼15mm, 칼날의 두께(t)를 0.26∼5.17mm로 한정하는데 이 둘의 범위를 벗어날 경우는 상기 α1의 범위를 벗어날 경우와 같은 현상을 가져와 바람직하지 않다.In the present invention, in addition to the limitation of α1 and α2, the length of the front inclined plane (ℓ) is limited to 3 to 15 mm and the blade thickness (t) to 0.26 to 5.17 mm. It is not desirable to bring such a phenomenon.
본 발명에서는 칼날의 하강속도, 다시말하면 모듈과 칼날(4)사이의 상대 이동속도를 10∼100mm/min로 하는 것이 양호한 개공도와 평활한 절단면을 갖는 중공사막모듈을 얻는데 중요하다. 만약 상기 이동속도가 10mm/min 미만일때는 절단능률이 저하되어 절단면의 평활성이 저하되고, 100mm/min 이상으로하면 접착수지의 박리현상 및 절단면 불량을 가져오게 된다. 즉, 본 발명의 규정 이동속도에 따른 절단방법을 이용하여 절단시에는 별도의 냉각수를 사용하지 않고도 충분히 절단할 수 있으나 냉각수를 300∼500cc/min 정도 공급하면서 절단하면 절단열의 제거 및 접착수지와 칼날의 마찰제거에 더욱 효과가 있다.In the present invention, it is important to obtain a hollow fiber membrane module having a good porosity and a smooth cut surface in which the blade lowering speed, that is, the relative moving speed between the module and the blade 4 at 10 to 100 mm / min. If the moving speed is less than 10mm / min, the cutting efficiency is lowered, the smoothness of the cut surface is lowered, if it is more than 100mm / min brings the peeling phenomenon of the adhesive resin and poor cutting surface. That is, when cutting using the cutting method according to the specified moving speed of the present invention can be cut sufficiently without using a separate cooling water, but when cutting while supplying the cooling water 300 ~ 500cc / min to remove the cutting heat and adhesive resin and blade It is more effective in removing friction.
본 발명에서는 칼날의 왕복속도를 1∼10회/sec로 하는 것이 절단에 매우 좋은 효과를 나타내는데, 1회 미만일때는 접착수지의 박리가 일어나고, 10회 이상일때는 마찰열이 심하게 발생하여 절단면이 불균일하게 된다.In the present invention, the reciprocating speed of the blade 1 to 10 times / sec shows a very good effect for cutting, when less than 1 times the peeling of the adhesive resin occurs, when more than 10 times the friction heat is generated badly and the cutting surface becomes uneven .
이같은 본 발명의 중공사막 모듈 접착고정부의 절단방법에 의하면, 절단하는 칼날이 경사각이 없는 직선칼날로서 전후로 이동하면서 하강하여 중공사막 개공부면쪽을 절단하기 때문에 절단면의 불균일, 박리 및 중공사막의 폐쇄등이 일어나지 않고 연속적인 절단이 가능하게 된다.According to the cutting method of the hollow fiber membrane module fixing fixing part of the present invention, since the cutting blade is moved straight back and forth as a straight blade without an inclination angle, the hollow fiber membrane opening part is cut to cut the non-uniformity of the cut surface, peeling and closing of the hollow fiber membrane. It is possible to continue the cutting without the back.
이하에 실시예를 들어 본 발명을 더욱 설명한다.An Example is given to the following and this invention is further demonstrated to it.
[실시예 1]Example 1
폴리설폰 소재 중공사막 다발을 에폭시수지 40℃에서 경화하여 경도 80도로 접착고정한 외경이 약 100mm로된 중공사막 모듈에 대하여 칼날의 재질이 초경합금이고, 칼날의 구조는 α1=10도, α2=0도, 칼날폭 ℓ가 1.73mm인 직선칼날을 이용하여 전후왕복속도 2회/sec, 하강속도 20mm/min의 조건으로 절단한 결과를 표-1에 나타내었다.For the hollow fiber membrane module whose outer diameter is about 100mm, the polysulfone hollow fiber membrane bundle is cured at 40 ℃ for epoxy resin, and the blade is made of cemented carbide and the blade structure is α1 = 10 degrees and α2 = 0 degrees. Table 1 shows the results of cutting using a straight blade having a blade width of l of 1.73 mm under the conditions of reciprocating speed of 2 times / sec and falling speed of 20 mm / min.
[비교예 1]Comparative Example 1
칼날의 전후왕복속도를 0.5회/sec, 하강속도를 10mm/min으로 한 것외에는 실시예 1과 같이 실시하고 그 결과를 표-1에 나타내었다.Except that the reciprocating speed of the blade was 0.5 times / sec and the descending speed was 10 mm / min, it was carried out as in Example 1 and the results are shown in Table-1.
[비교예 2∼3][Comparative Examples 2 to 3]
비교예 1과 같은 요령으로 칼날의 왕복속도와 하강속도를 표-1과 같이 본 발명 규정외로한 것외에는 실시예 1과 같이 실시하였다.The same procedure as in Comparative Example 1 was carried out as in Example 1 except that the reciprocating speed and the lowering speed of the blades were not as defined in the present invention as in Table-1.
Claims (3)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019920027210A KR0160484B1 (en) | 1992-12-31 | 1992-12-31 | Cutting method for hollow fiber membrane module |
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| KR1019920027210A KR0160484B1 (en) | 1992-12-31 | 1992-12-31 | Cutting method for hollow fiber membrane module |
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| CN103492052A (en) * | 2011-04-28 | 2014-01-01 | 三菱丽阳株式会社 | Method for producing hollow fiber membrane modules |
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| CN103492052A (en) * | 2011-04-28 | 2014-01-01 | 三菱丽阳株式会社 | Method for producing hollow fiber membrane modules |
| CN103492052B (en) * | 2011-04-28 | 2015-05-27 | 三菱丽阳株式会社 | Method for producing hollow fiber membrane modules |
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