WO2017194194A1 - Procédé et dispositif de soudage terminal d'une portion de tubule à membrane pour un élément à membrane - Google Patents

Procédé et dispositif de soudage terminal d'une portion de tubule à membrane pour un élément à membrane Download PDF

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Publication number
WO2017194194A1
WO2017194194A1 PCT/EP2017/000670 EP2017000670W WO2017194194A1 WO 2017194194 A1 WO2017194194 A1 WO 2017194194A1 EP 2017000670 W EP2017000670 W EP 2017000670W WO 2017194194 A1 WO2017194194 A1 WO 2017194194A1
Authority
WO
WIPO (PCT)
Prior art keywords
membrane tube
tube section
temperature
heated
membrane
Prior art date
Application number
PCT/EP2017/000670
Other languages
German (de)
English (en)
Inventor
Michael Späth
Original Assignee
Krallmann Kunststoffverarbeitung Gmbh
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 Krallmann Kunststoffverarbeitung Gmbh filed Critical Krallmann Kunststoffverarbeitung Gmbh
Publication of WO2017194194A1 publication Critical patent/WO2017194194A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
    • B29C57/10—Closing
    • 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
    • B01D63/061—Manufacturing thereof
    • 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
    • B01D65/003—Membrane bonding or sealing
    • 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
    • B01D2315/00—Details relating to the membrane module operation
    • B01D2315/08—Fully permeating type; Dead-end filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2323/00—Details relating to membrane preparation
    • B01D2323/42—Details of membrane preparation apparatus
    • 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
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/147—Microfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/26—Hot fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/24—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools characterised by the means for heating the tool
    • B29C65/30—Electrical means
    • B29C65/305—Electrical means involving the use of cartridge heaters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91211—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods
    • B29C66/91212—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature with special temperature measurement means or methods involving measurement means being part of the welding jaws, e.g. integrated in the welding jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/912—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux
    • B29C66/9121—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature
    • B29C66/91231—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by measuring the temperature, the heat or the thermal flux by measuring the temperature of the joining tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91421—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature of the joining tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/914—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux
    • B29C66/9141—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature
    • B29C66/91431—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux by controlling or regulating the temperature, the heat or the thermal flux by controlling or regulating the temperature the temperature being kept constant over time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
    • B29C66/961—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving a feedback loop mechanism, e.g. comparison with a desired value
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/14—Filters

Definitions

  • the invention relates to a method for the end-side closing of a membrane tube section for a membrane element, in particular a filter membrane element, wherein an end region of the membrane tube section to be sealed is heated and at least fused and sealed.
  • the invention further relates to a device for the end-side sealing of a membrane tube section for a membrane element, in particular a filter membrane element, with a closure device which has a forming surface inside a mold bore for engagement with an end region of the membrane tube section to be closed ,
  • the deposition of particles occurs predominantly on the surface of a porous membrane.
  • the membrane has pores or passages very small
  • a corresponding membrane can also be used to subdivide a fluid flow, for example an air flow, into a multiplicity of individual flows, which, for example, wise when foaming a liquid, especially milk, is advantageous.
  • a fluid flow for example an air flow
  • the membrane is used for microfiltration, the invention is not limited thereto.
  • Tubular membranes are often used in the so-called dynamic microfiltration.
  • a tubular filter membrane element is closed at its one axial end and before or after closing at its opposite axial end with an adapter part
  • Adapter part may be, for example, a connection socket for a fluid line or other, necessary for the use of the Filtermembran- element functional part.
  • the suspension to be filtered can either be introduced into the interior of the tubular filter membrane element, wherein the fluid phase of the suspension flows through the wall of the filter membrane element and in this way is removed while the particles remain in the filter membrane element.
  • the reverse flow is also possible, i. to be filtered suspension is on the outside of the tubular filter membrane element and the fluid phase penetrates the wall of the Filtermembran- element, enters its interior and is discharged there, while the filtered particles remain on the outside of the filter membrane element.
  • a section is separated from an "endless" membrane tube.
  • the membrane tube may, for example, be a tubular plastic tube with small diameter pores and passages.
  • the membrane tube section is closed in its one end region and provided in the other end region with the adapter part. The sealing of the membrane tube section is usually accomplished by manually contacting the membrane tube section with a heated or heated plate by a user, thereby melting or fusing the plastic material and then sealing it by applying low compressive forces.
  • US 2004/0211785 A1 shows a method and a device for closing plastic tubes.
  • a pipe section is heated at its one axial end while turning so far that it is deformable.
  • the heated end of the tube is pressed against or into a chamber of a molded part and thereby closed and rounded.
  • This procedure is very difficult in practice, since the heating of the end portion of the tube must be exactly so that the material of the tube is deformable, but still retains its stability, since it can not otherwise be introduced into the chamber of the molding.
  • the flow rate of a single tubular filter membrane element is due to the very small dimension low, so that it is common practice to combine a plurality of tubular filter membrane elements on a so-called filter ⁇ membrane module together.
  • the membrane tube section of each filter membrane element must be closed manually at one end. This is very time consuming and therefore costly. In addition, it must be ensured that the membrane tube section is reliably closed at its end, so that no short-circuit flow occurs. This requires a complex and expensive quality control.
  • the invention has for its object to provide a method for the end-side closing of a membrane tube ⁇ bitess for a membrane element, in particular a Filtermembran- element with which can be closed reliably and in a simple manner to be closed end portion of the membrane tube ⁇ bitess.
  • a device for the end-side closing of a membrane tube ⁇ bitess for a membrane element, in particular a filter membrane element to be created, which is constructed in a structurally simple manner.
  • the above-mentioned object is achieved by a method having the features of claim 1. It is envisaged that the closing device with the mold bore to a temperature above the
  • Melting temperature of the material of the membrane tube ⁇ bitess is heated and is rotated or pivoted when closing the end portion relative to the membrane tube section.
  • the invention is based on the basic idea that a large part of the incompletely or poorly sealed membrane tube sections is based on the fact that the user causes the end section of the membrane tube section to be closed to be contacted incorrectly or too long with the heated closing device, whereby a burn through of the plastic material can occur. This is inventively avoided in that the heated closing device is rotated when turning the end portion relative to the membrane tube section or pivoted back and forth.
  • the end region of the membrane tube section to be closed is introduced into the mold bore of the closing device.
  • the membrane tube section normally has a circular cylindrical shape.
  • the mold bore may have a circular cylindrical shape, so that the membrane tube section can be inserted into the mold bore with little clearance or tight fit.
  • the inner wall of the mold bore is heated to said temperature above the melting temperature of the material and in particular of the plastic material of the membrane tube section, whereby the material of the membrane tube section is melted at least in the end region to be closed.
  • the end portion to be closed of the membrane tube portion is compressed in the mold bore and thereby closed.
  • the compression of the end region of the membrane tube section to be closed is achieved in a conically tapering section of the mold bore.
  • the conically tapered portion of the mold bore with simultaneous rotation or pivoting of the mold bore relative to the membrane tube section, provides for secure closure of the membrane tube section.
  • the mold bore can also be formed over its entire length with a conically tapering cross-section. The wall of the mold bore stabilizes the membrane tube section during this process and prevents lateral deflection.
  • the membrane tube section is rotatably held during the closing, while the closing device is rotated with the mold bore by means of the drive device, preferably in the form of a servo motor or pivoted back and forth.
  • the temperature of the closing device is preferably maintained within a predetermined temperature range with high accuracy.
  • the temperature to which the sealing device is heated depends on the structure of the membrane tube section and in particular its material, and may for example be in the range of 220 ° C to 250 ° C.
  • the closing device is heated to a temperature of 250 ° C or more and more preferably to 280 ° C or more, and more preferably to a temperature in the range of 280 ° C to 300 ° C.
  • a cleaning mode can be provided.
  • the closing device is heated, at least in the region of the mold bore, to a cleaning temperature of> 300 ° C., whereby plastic particles or plastic residues, which are located at the top of the mold bore, are heated. surface of the closing device and in particular in the interior of the mold bore adhere, are burned.
  • the cleaning temperature can be in the range of 350 ° C to 450 ° C.
  • the above object is achieved by a device having the features of claim 9.
  • at least one heating device is provided, by means of which the closing device with the mold bore can be heated to a temperature above the melting temperature of the material and in particular of the plastic material of the membrane tube section.
  • the mold surface is formed inside the mold bore, wherein the mold bore is formed in a housing of the closing device and the housing is rotatable or pivotable about a rotation axis relative to the membrane tube section by means of a drive device.
  • the membrane tube section is inserted with its end to be closed in the heated, rotating or pivoting mold bore. As a result, the material of the end region is melted and closed by the force exerted by the wall of the mold bore as reaction force compressive forces.
  • the mold bore extends coaxially to the axis of rotation of the housing.
  • the mold bore has an outwardly opening insertion opening and an opposite end portion, which is preferably formed as a conically tapered portion, so that on the end region to be closed of the membrane tube portion when inserted into the mold bore through the wall of the conically tapered portion radially inward pressure forces be applied, which close the end.
  • the mold bore can also be formed over its entire length with a conically tapering cross-section.
  • the housing in which the mold bore is formed is heated and preferably maintained in a predetermined temperature range.
  • the housing may be assigned an outer heating device 1 and / or an inner heating device 2.
  • the outer heating device 1 designates at least one heating element and in particular a resistance heating element, which is arranged on the outside of the housing.
  • the inner second heating device is preferably formed by a channel system in the interior of the housing, which is flowed through by a heated or hot liquid or a gas and in this way heats the housing from the inside out. Alternatively, the inner 2.
  • Heating device also be formed by a heating element and in particular a resistance heating element.
  • At least one temperature sensor is provided, which is connected to a control unit. Due to the data of the temperature sensor, the temperature of the housing and / or the molding surface can be maintained by means of the control unit in a predetermined temperature range.
  • the sealing device can be heated to a temperature of 250 ° C. or more and in particular 280 ° C. or more by means of the heating device 300 ° C is heated.
  • the housing can either completely or at least in the region in which the mold bore is formed, made of ceramic or metal.
  • FIG. 1 shows a section through a device according to the invention for the end-side closing of a membrane tube section for a filter membrane element prior to insertion of the membrane tube section and
  • FIG. 1 shows a section through a device according to the invention for the end-side closing of a membrane tube section for a filter membrane element prior to insertion of the membrane tube section and
  • Fig. 2 shows the device of Figure 1 with inserted and sealed membrane tube section.
  • FIG 1 shows a section through a closing device 10, with which a tubular membrane element, in particular a filter membrane element F is closed for microfiltration.
  • the filter membrane element F has a membrane tube section S made of plastic, which is connected at its one, according to FIG 1 left end with an adapter part A made of plastic, which forms a connection socket for a fluid line.
  • an adapter part A made of plastic which forms a connection socket for a fluid line.
  • right end portion E of the membrane tube section S is still open.
  • the closing device 10 has a preferably made of ceramic housing 11, in which a mold bore 12 is formed, whose inner wall forms a molding surface 25.
  • the mold bore 12 has at its inner end a conically tapered section 13.
  • the axis of rotation L of the housing 11 coincides with the longitudinal axis of the mold bore 12.
  • a first temperature sensor 21 is arranged near the cylindrical wall of the mold bore 12, which is connected via a line 23 to a control unit 17. In the region of the conical section 13 of the mold bore
  • a second temperature sensor 22 is arranged, which is connected via a line 24 to the control unit 17.
  • an outer heater 1 15 is arranged, which may in particular be an electrical resistance heater.
  • an internal second heating device 16 is provided, which may also be either an electrical resistance heater or a channel system in which a heated or hot fluid (liquid or gas) flows.
  • the second heater 16 is connected via a line 20 to the control unit 17.
  • control unit 17 is also connected via a line 19 to the drive device 14.
  • the membrane tube section S is closed with its end region to be closed.
  • rich E introduced into the mold bore 12 of the heated housing 11. This can be done either by axially advancing the membrane tube section and inserting it into the mold bore 12, but alternatively it is also possible to hold the adapter part and the membrane tube section S stationary and move the closing device according to FIG. 1 to the left, so that the membrane tube section S enters the mold bore.
  • the filter membrane element F and thus also the membrane tube section S is pulled out of the mold bore 12 again, wherein it then cools, so that the membrane tube section S is firmly closed.
  • the control unit 17 which controls the first heating device 15 and the second heating device 16 as a function of the detected actual temperatures at the first temperature sensor 21 and the second temperature sensor 22, the temperature of the housing 11 and in particular the Mold bore 12 held in a desired temperature range.
  • the closure device 10 can be operated in a cleaning mode.
  • the first heating device 15 and / or the second heating device 16 are of the
  • Controlled control unit 17 that the temperature in the housing 11 and in particular on the wall of the mold bore 12 is brought to a high value of, for example, about 400 ° C, whereby any adhering plastic residues are burned.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

L'invention concerne un procédé et un dispositif de soudage terminal d'une portion de tubule à membrane pour un élément à membrane. Pour l'obturation terminale d'une portion de tubule à membrane pour un élément à membrane, en particulier un élément à membrane filtrante, une zone terminale à obturer de la portion de tubule à membrane est chauffée et au moins fondue, et amenée en contact avec un dispositif d'obturation et obturée. Le dispositif d'obturation présentant le trou façonné est chauffé à une température supérieure à la température de fusion du matériau de la portion de tubule à membrane et, lors de l'obturation de la zone d'extrémité, est amené à tourner ou à pivoter en effectuant un mouvement de va-et-vient par rapport à la portion de tubule à membrane au moyen d'un dispositif d'entraînement. Un dispositif correspondant possède un dispositif d'obturation, qui peut être chauffé au moyen d'au moins un dispositif de chauffage présentant le trou façonné à une température supérieure à la température de fusion du matériau de la portion de tubule à membrane, et qui présente une surface façonnée destinée à être en contact avec une zone d'extrémité à obturer de la portion de tubule à membrane. La surface façonnée est formée à l'intérieur d'un trou façonné ménagé dans un boîtier du dispositif d'obturation. Le boîtier peut être amené à tourner ou à pivoter autour d'un axe de rotation par rapport à la portion de tubulure à membrane au moyen d'un dispositif d'entraînement.
PCT/EP2017/000670 2016-05-11 2017-05-11 Procédé et dispositif de soudage terminal d'une portion de tubule à membrane pour un élément à membrane WO2017194194A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016005663.0A DE102016005663A1 (de) 2016-05-11 2016-05-11 Verfahren und Vorrichtung zum endseitigen Verschweißen eines Membranröhrchen-Abschnitts für ein Membran-Element
DE102016005663.0 2016-05-11

Publications (1)

Publication Number Publication Date
WO2017194194A1 true WO2017194194A1 (fr) 2017-11-16

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DE (1) DE102016005663A1 (fr)
WO (1) WO2017194194A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023078838A1 (fr) * 2021-11-05 2023-05-11 membion Gmbh Membrane à fibres creuses et son procédé de fermeture

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110948843A (zh) * 2019-12-09 2020-04-03 河南驼人医疗器械研究院有限公司 一种硅胶管尖端成型方法

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2309561A (en) * 1941-01-30 1943-01-26 Charles Greenblatt Method of treating metallic bodies
US3929943A (en) * 1972-10-19 1975-12-30 Du Pont Process for sealing thermoplastic tube
US4373894A (en) * 1980-02-22 1983-02-15 Patient Technology, Inc. Method and apparatus for making plastic tubes
JPH11319504A (ja) * 1998-05-14 1999-11-24 Toray Ind Inc 中空糸膜モジュールの製造方法
US20040183228A1 (en) * 2003-03-20 2004-09-23 Martin Stillig Method and apparatus for manufacturing filters
US20040211785A1 (en) 2003-04-23 2004-10-28 Hung-En Liu Molded tube with a sealed end
US20050115899A1 (en) * 2003-10-21 2005-06-02 Minggang Liu Membrane bioreactor having single header membrane module
EP2037396A1 (fr) * 2007-09-12 2009-03-18 Datamars SA Transpondeur miniature implantable et son procédé de fabrication
KR20150076504A (ko) * 2013-12-27 2015-07-07 코웨이 주식회사 흡착식 중공사막 공급장치 및 이를 구비한 중공사막 가공장치

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2309561A (en) * 1941-01-30 1943-01-26 Charles Greenblatt Method of treating metallic bodies
US3929943A (en) * 1972-10-19 1975-12-30 Du Pont Process for sealing thermoplastic tube
US4373894A (en) * 1980-02-22 1983-02-15 Patient Technology, Inc. Method and apparatus for making plastic tubes
JPH11319504A (ja) * 1998-05-14 1999-11-24 Toray Ind Inc 中空糸膜モジュールの製造方法
US20040183228A1 (en) * 2003-03-20 2004-09-23 Martin Stillig Method and apparatus for manufacturing filters
US20040211785A1 (en) 2003-04-23 2004-10-28 Hung-En Liu Molded tube with a sealed end
US20050115899A1 (en) * 2003-10-21 2005-06-02 Minggang Liu Membrane bioreactor having single header membrane module
EP2037396A1 (fr) * 2007-09-12 2009-03-18 Datamars SA Transpondeur miniature implantable et son procédé de fabrication
KR20150076504A (ko) * 2013-12-27 2015-07-07 코웨이 주식회사 흡착식 중공사막 공급장치 및 이를 구비한 중공사막 가공장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023078838A1 (fr) * 2021-11-05 2023-05-11 membion Gmbh Membrane à fibres creuses et son procédé de fermeture

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