DE2235023A1 - METHOD AND DEVICE FOR HEATING THE RAW MATERIAL IN THE RESERVOIR OF AN EXTRUDER - Google Patents

METHOD AND DEVICE FOR HEATING THE RAW MATERIAL IN THE RESERVOIR OF AN EXTRUDER

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Publication number
DE2235023A1
DE2235023A1 DE2235023A DE2235023A DE2235023A1 DE 2235023 A1 DE2235023 A1 DE 2235023A1 DE 2235023 A DE2235023 A DE 2235023A DE 2235023 A DE2235023 A DE 2235023A DE 2235023 A1 DE2235023 A1 DE 2235023A1
Authority
DE
Germany
Prior art keywords
storage container
extruder
raw material
heating
heat loss
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
DE2235023A
Other languages
German (de)
Other versions
DE2235023C3 (en
DE2235023B2 (en
Inventor
Erich Riedel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NORDENIA KUNSTSTOFFE
Original Assignee
NORDENIA KUNSTSTOFFE
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 NORDENIA KUNSTSTOFFE filed Critical NORDENIA KUNSTSTOFFE
Priority to DE2235023A priority Critical patent/DE2235023C3/en
Priority to AT601973A priority patent/AT344399B/en
Priority to IT12719/73A priority patent/IT992273B/en
Priority to GB3312473A priority patent/GB1394343A/en
Priority to FR7326421A priority patent/FR2192898B1/fr
Priority to BR5253/73A priority patent/BR7305253D0/en
Priority to ES416958A priority patent/ES416958A1/en
Priority to JP48082577A priority patent/JPS4985150A/ja
Publication of DE2235023A1 publication Critical patent/DE2235023A1/en
Publication of DE2235023B2 publication Critical patent/DE2235023B2/en
Application granted granted Critical
Publication of DE2235023C3 publication Critical patent/DE2235023C3/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B29B13/021—Heat treatment of powders
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/275—Recovery or reuse of energy or materials
    • B29C48/276—Recovery or reuse of energy or materials of energy
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/793—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling upstream of the plasticising zone, e.g. heating in the hopper
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Description

PatentanwältePatent attorneys Dr. O. LoesenbeckDr. O. Loesenbeck Dipl.-lng. Stracke 9 9 Q t; η ? ^Dipl.-Ing. Stracke 9 9 Q t; η? ^ Dipl.-Ing. Loesenbeck Z Z J D υ ζ οDipl.-Ing. Loesenbeck Z Z J D υ ζ ο

AS Bielefeld, Herford« Sftifa ti AS Bielefeld, Herford «Sftifa ti

Nordenia Kunststoff Peter Mager KG., 2841 νSteinfeld,Nordenia Kunststoff Peter Mager KG., 2841 νSteinfeld,

Am '-CannenkampAm '-Cannenkamp

Verfahren und Vorrichtung zum Aufheizen des Honmaterials im Vorratsbehälter eines ExtrudersMethod and device for heating the honing material in the storage container of an extruder

Zur Verarbeitung thermoplastischer Massen benutzt man in der Produktionstechnik Extruder, denen aus einem Vorratsbehälter Hohstoffmaterialien zugeführt werden. Bei der Verarbeitung von Kunststoffen wird der Vorratsbehälter im allgemeinen mit Granulaten gefüllt.For processing thermoplastic masses one uses in the Production technology Extruders to which raw materials are fed from a storage container. While processing of plastics, the storage container is generally filled with granules.

Die Rohst.offmaterialien werden im wesentlichen in Silos gelagert, die außerhalb der Produktionsstätten angeordnet sind. Durch eine derartige Lagerung ist das Rohstoff material starken !Temperatureinflüssen, die durch Witterungseinflüsse bedingt sind,1 unterworfen. Besonders in den ¥intermonaten findet eine starke Abkühlung des Hohstoffmaterials statt.The raw materials are essentially stored in silos that are located outside of the production facilities. By such storage, the raw material is strong! Temperature influences, which are caused by weather conditions, subjected to first Particularly in the inter-months there is a strong cooling of the raw material.

Da ein stark unterkühltes Rohstoffmaterial die Qualität des Fertigproduktes, z.B. der Folien, beeinträchtigen kann und andererseits einen erhöhten Leistungsbedarf der Verarbeitungsmaschine erforderlich macht, hat man zur Behebung dieser Nachteile sogenannte Vorwärmgeräte eingesetzt. Diese Geräte haben die Aufgabe, das Hohstoffmaterial vorzuwärmen, bevor es dem eigentlichen Produktionsprozeß im Extruder zugeführt wird.Since a highly supercooled raw material material can impair the quality of the finished product, e.g. the foils, and on the other hand, an increased power requirement of the processing machine is required, one has to overcome these disadvantages so-called preheaters are used. These devices have the task of preheating the Hohstoffmaterial before it actual production process in the extruder is fed.

309885/0766309885/0766

Je nach, der Größenordnung des Extruders sind die Vorwärmgeräte mit unterschiedlicher Energieleistung ausgelegt. In jedem J? all iat der Energiebedarf jedoch relativ hoch, so daß zusätzliche Eosten entstehen.Depending on the size of the extruder, the preheaters are designed with different energy outputs. In every J? Alles However, the energy requirement is relatively high, so that additional Eosts arise.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren und eine Vorrichtung zu entwickeln, bei dem bzw. der ein zusätzlicher Energiebedarf für die Aufheizung bzw. Vorwärmung des Rohstoffmaterials im Vorratsbehälter des Extruders entfällt.The invention is based on the object of developing a method and a device in which an additional Energy requirement for heating or preheating the raw material not required in the extruder storage tank.

Das erfindungsgemäße Verfahren zur Lösung dieser Aufgabe besteht darin, daß die am Extruder und seinen Profilwerkzeugen während des Betriebs entstehende Verlustwärme zur Aufheizung des im Vorratsbehälter vorgesehenen Bohstoffmaterials benutzt wird.The inventive method for solving this problem is that the extruder and its profile tools during The heat lost during operation is used to heat the raw material provided in the storage container.

Bei einer Ausführungsbform der Erfindung wird die Verlustwärme über einen luftstrom in den unteren Seil des Vorratsbehälters eingeführt und der Luftstrom im oberen Bereich des Vorratsbehälters als Kaltluftstrom aus dem Vorratsbehälter herausgeführt.In one embodiment of the invention, the heat loss is transferred to the lower cable of the storage container via an air stream introduced and the air flow in the upper area of the storage container led out as a cold air flow from the storage container.

Es besteht auch die Möglichkeit, ä.en Extruder und den Vorratsbehälter mit je einem Rohrschlangensystem auszustatten, wobei diese Systeme verbunden sind^und von einem Medium durchflossen werden, das die Verlustwärme des Extruders aufnimmt und den Vorratsbehälter aufheizt.There is also the possibility of equipping the extruder and the storage container with a pipe coil system each, whereby these systems are connected and flowed through by a medium that absorbs the heat loss from the extruder and heats the storage container.

Zwischen den Rohrschlangensystemen ist ein Flüssigkeitsbehälter als Ausgleichsbehälter vorgesehen und das leitungssystem mit einer Pumpe ausgestattet.There is a liquid container between the pipe coil systems intended as an expansion tank and the pipe system equipped with a pump.

In der Zeichnung sind der bekannte Stand der Technik und ein Ausführungsbeispiel der Erfindung dargestellt und werden im folgenden beschrieben»In the drawing, the known prior art and an embodiment of the invention are shown and are in described below »

309885/0766309885/0766

22358232235823

Es zeigen!Show it!

Fig. 1 eine bekannte Exfcruderanlage in sehematiseher Darstellung, "bei der dem Vorratsbehälter ein Torwärmgerät zugeordnet ist,Fig. 1 shows a known exfcruder system in perspective Representation "in which a gate heater is assigned to the storage container,

I1Ig. 2 eine erfindungsgemäße Extruderanlage in sehematischer Darstellung. *I 1 Ig. 2 an extruder system according to the invention in a schematic representation. *

Bei der in. der I1Ig. 1 aufgezeigten bekannten Konstruktion weist der Extruder 1 ein Sehneckensystem 2 auf, das zum Heplastifizieren von Höhst off material 3 dient -und dem Heizsysteme 4 zügeo'rdnet sind. Mach der Beplastifizierung des aus einem Vo^ratsbehälter 5 äen Schnecken 2 zugeführten Rohstoff materials wird dieses mittels der Schnecken durch einen 3?ormkopf 6 gepreßt, aus dem das thermoplastische Produkt 7* z.B. eine kunststofffolie, austritt.In the in. Der I 1 Ig. 1, the extruder 1 has a tendon system 2 which is used to heplasticize maximum material 3 and to which the heating systems 4 are drawn. After the raw material material supplied from a storage container 5 to the screws 2 is plasticized, it is pressed by means of the screws through a 3-shaped head 6, from which the thermoplastic product 7 *, for example a plastic film, emerges.

Dem Vorratsbehälter 5 ist ein Vorwärmgerät 8 zugeor-dnet, das aus einem Heizsystem 9 und einem Ventilator 10 besteht.A preheating device 8 is assigned to the storage container 5, which consists of a heating system 9 and a fan 10.

Aus dem Heizsystem 9 tritt über eine Leitung 11 ein Warmluftstrom in den Vorratsbehälter 5 ein. Beim Durchströmen des Vorratsbehälters kühlt der luftstrom sich ab und wird über eine Leitung zu dem Heizsystem 9 zurückgeführt.A stream of hot air emerges from the heating system 9 via a line 11 into the storage container 5. When flowing through the storage container the air flow cools down and is returned to the heating system 9 via a line.

Die während des Betriebs im Bereich der Schnecken 2 und im Bereich des Formkopfes 6 auftretende Verlustwärme wird bei der bekannten Konstruktion nicht ausgenutzt.During operation in the area of the screws 2 and in the area of the forming head 6 occurring heat loss is not used in the known construction.

das Heizsystem 9 ist ein erheblicher Energiebedarf notwendig. Der Wirkungsgrad dieser Konstruktion ist je nach Kostenaufwand, d.h. je nach der zur Verfügungstellung genügend großer Energie für die Vorwärmung, gering*the heating system 9 requires a considerable amount of energy. The efficiency of this construction depends on the cost, i.e. depending on the availability of sufficient energy for preheating, low *

309885/0706309885/0706

Bei der erfindungsgemäßen, in der Fig. 2 dargestellten Extruderanlage 13 wird ebenfalls das Rohstoffmaterial 3 aus einem Vorratsbehälter 5 <len Schnecken 2 zugeführt, und das Fertigprodukt aus dem Formkopf 6 herausgepreßt.In the extruder system according to the invention shown in FIG 13 is also the raw material 3 from a storage container 5 <len screws 2 supplied, and the finished product out the molding head 6 pressed out.

Die im Bereich des Extruders und seiner Profilwerkzeuge während des Betriebs entstehende Yerlustwärme wird in dem Ausführungsbeispiel über eine Haube 14 und über eine Leitung I5 mittels eines Ventilators 16 abgesaugt, von dem aus die Warmluft über eine Leitung I7 im unteren Bereich in den Vorratsbehälter 5 geführt wird. Die Warmluft durchströmt den Vorratsbehälter und heizt das Rohstoffmaterial 3 auf. Hierbei kühlt sich der Luftstrom ab und verläßt über den Stutzen 18 den Vorratsbehälter als Kühlluftstrom, der dazu benutzt werden kann, die thermischen Bedingungen innerhalb der Produktionsstätte zu verbessern.The heat loss generated in the area of the extruder and its profile tools during operation is in the exemplary embodiment via a hood 14 and via a line 15 by means of a Sucked off the fan 16, from which the warm air is passed into the storage container 5 via a line I7 in the lower region will. The warm air flows through the storage container and heats the raw material 3. The air flow cools down here and leaves the storage container via the nozzle 18 as a cooling air stream which can be used to control the thermal conditions improve within the manufacturing facility.

Die Energieersparnis gegenüber der Konstruktion nach der Fig. 1 beträgt ca. 5 °/° cLes Leistungsanteiles der Verarbeitungsmaschine.The energy saving compared to the construction according to FIG. 1 is approx. 5 ° / ° cLes of the power of the processing machine.

Die erfindungsgemäße Anordnung stellt ein Regelsystem dar. Bei größer werdender Produktionsleistung fällt mehr Verlustwärme an, die ihrerseits zu einer wirkungsvolleren Aufbereitung des Höhst off materials führt.The arrangement according to the invention represents a control system. With increasing production output, more heat is lost, which in turn leads to a more effective processing of the highest off material.

Durch die Anordnung entsteht ein stetiger Regelkreis.The arrangement creates a continuous control loop.

309885/0786309885/0786

Claims (3)

PatentansprücheClaims 1J Verfahren zum Aufheizen des Rohstoffmaterials im Vorratsbehälter ~/ eines Extruders, dadurch gekennzeichnet, daß die am Extruder und seinen Profilwerkzeugen während des Betriebs entstehende ^Verlustwärme zur Aufheizung des im Vorratsbehälter vorgesehenen Rohst of fmaterials "benutzt wird.1J method for heating the raw material in the storage container ~ / of an extruder, characterized in that the heat loss generated on the extruder and its profile tools during operation is used to heat the raw material provided in the storage container. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Verlustwärme über einen Luftstrom in den unteren leil des Vorratsbehälters eingeführt und der Luftstrom im oberen Bereich des Vorratsbehälters aln Kaltluftstrom aus dem Vorratsbehälter herausgeführt wird.2. The method according to claim 1, characterized in that the heat loss via an air stream in the lower part of the Storage container introduced and the air flow in the upper area of the storage container as cold air flow from the storage container is led out. 3. 'Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der die Verlustwärme abgebende Teil des Extruders mit einer Absaughäubo versehen ist, die mit einem die Warmluft zum Vorratsbehälter fördernden Ventilator verbunden ist.3. 'Device for performing the method according to claim 1 or 2, characterized in that the dissipating heat dissipation Part of the extruder is provided with a suction hood, the one with a fan that promotes the hot air to the storage tank connected is. 4·. Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1, dadurch gekennzeichnet, daß der Extruder und der Vorratsbehälter mit je einem Rohrschlangensystem ausgestattet sind, wobei diese Systeme verbunden sind und von einem Medium durchflossen werden, das die Verlustwärme des Extruders aufnimmt und den Vorratsbehälter aufheizt.4 ·. Device for performing the method according to claim 1, characterized in that the extruder and the storage container are each equipped with a pipe coil system, these Systems are connected and are traversed by a medium that absorbs the heat loss from the extruder and the storage container heats up. 5» Vorrichtung nach Anspruch 4-, dadurch'gekennzeichnet, daß zwischen den Rohrschlangensystemen ein Flüssigkeitsbehälter als Ausgleichsbehälter vorgesehen und das Leitungssystem mit einer Pumpe ausgestattet ist.5 »Device according to claim 4-, characterized in that between A liquid container is provided as an expansion tank for the pipe coil systems and the line system is equipped with a pump is. 309885/ 0 76S309885/0 76S LeerseiteBlank page
DE2235023A 1972-07-17 1972-07-17 Device for preheating powdery or granular thermoplastics Expired DE2235023C3 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE2235023A DE2235023C3 (en) 1972-07-17 1972-07-17 Device for preheating powdery or granular thermoplastics
AT601973A AT344399B (en) 1972-07-17 1973-07-09 DEVICE FOR HEATING THE RAW MATERIAL IN THE RESERVOIR OF AN EXTRUDER
GB3312473A GB1394343A (en) 1972-07-17 1973-07-11 Method and apparatus for heating the raw material in the storage container of an extruder
IT12719/73A IT992273B (en) 1972-07-17 1973-07-11 PROCEDURE AND DEVICE FOR HEATING THE RAW MATERIAL IN THE FEED TANK OF AN EXTRUDER
FR7326421A FR2192898B1 (en) 1972-07-17 1973-07-12
BR5253/73A BR7305253D0 (en) 1972-07-17 1973-07-13 PROCESS AND DEVICE FOR HEATING THE RAW MATERIAL CONTAINED IN THE RESERVOIR OF AN EXTRUSION APPLIANCE
ES416958A ES416958A1 (en) 1972-07-17 1973-07-16 Method and apparatus for heating the raw material in the storage container of an extruder
JP48082577A JPS4985150A (en) 1972-07-17 1973-07-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2235023A DE2235023C3 (en) 1972-07-17 1972-07-17 Device for preheating powdery or granular thermoplastics

Publications (3)

Publication Number Publication Date
DE2235023A1 true DE2235023A1 (en) 1974-01-31
DE2235023B2 DE2235023B2 (en) 1974-09-05
DE2235023C3 DE2235023C3 (en) 1975-05-07

Family

ID=5850844

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2235023A Expired DE2235023C3 (en) 1972-07-17 1972-07-17 Device for preheating powdery or granular thermoplastics

Country Status (8)

Country Link
JP (1) JPS4985150A (en)
AT (1) AT344399B (en)
BR (1) BR7305253D0 (en)
DE (1) DE2235023C3 (en)
ES (1) ES416958A1 (en)
FR (1) FR2192898B1 (en)
GB (1) GB1394343A (en)
IT (1) IT992273B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4300595A1 (en) * 1993-01-13 1994-07-14 Fasti Farrag & Stipsits Ges M Process for operating a dryer for pulverulent, granular and pourable substances and a dryer operating according to the process
DE102008023046A1 (en) 2008-05-09 2009-11-12 Coperion Gmbh Plastic granulating plant has granulating device that is water-cooled with granulated-water, where bulk-cargo heat exchanger is provided with heat exchanger medium for heating plastic-bulk cargo
CN111231262A (en) * 2020-03-05 2020-06-05 崔宝英 High-efficient environment-friendly plastics extruding machine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3037441A1 (en) * 1980-10-03 1982-05-13 Klaus 4803 Steinhagen Kalwar Automatic thermoplastics extruder regulation - where return to raw material of recovered heat losses is regulated by throughput meter
DE3485203D1 (en) * 1983-07-22 1991-11-28 Mapro Inc METHOD AND DEVICE FOR REMOVING HUMIDITY AND VOLATILE COMPONENTS FROM PARTICULATE MOLDING MATERIAL.
GB2150846B (en) * 1983-12-06 1987-06-10 Thyssen Ag Apparatus for mixing particulate material having a preheating device for material to be mixed
DE4214565A1 (en) * 1992-05-08 1993-11-11 Ulrich Puhan Waste heat recovery appts. e.g. from electric oven cooking plates that have just been switched off - has funnel-shaped casing with cold water inlet and heated water outlet placed over plates
JPH0729364B2 (en) * 1992-06-10 1995-04-05 株式会社マルヤス Inflation molding system
ITMI20061798A1 (en) * 2006-09-21 2008-03-22 Ferioli Filippo S P A EQUIPMENT AND EXTRUSION METHOD OF PLASTIC MATERIAL
DE102013202997A1 (en) * 2013-02-24 2014-08-28 Battenfeld-Cincinnati Germany Gmbh Method for using the amount of heat released in an extrusion process
DE102013202996A1 (en) * 2013-02-24 2014-08-28 Battenfeld-Cincinnati Germany Gmbh Method for using the amount of heat released in an extrusion process
US9776354B2 (en) 2013-02-24 2017-10-03 American Maplan Corporation Extrusion process
CN104149308B (en) * 2014-07-24 2016-06-22 大连理工大学 A kind of barrel configuration of the single screw rod/double screw extruder based on phase-change heat transfer
CN109624261A (en) * 2019-02-21 2019-04-16 上海金纬管道设备制造有限公司 Heat-energy recovering apparatus, extrusion equipment and the heat energy recovering method of extrusion equipment
DE102020102552A1 (en) 2020-02-03 2021-08-05 Reifenhäuser GmbH & Co. KG Maschinenfabrik PLASTICS PROCESSING PLANT
CN114193729B (en) * 2021-11-25 2023-11-03 深圳市鼎盛皇科技发展有限公司 Energy-saving injection molding machine capable of reducing energy loss

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4300595A1 (en) * 1993-01-13 1994-07-14 Fasti Farrag & Stipsits Ges M Process for operating a dryer for pulverulent, granular and pourable substances and a dryer operating according to the process
DE102008023046A1 (en) 2008-05-09 2009-11-12 Coperion Gmbh Plastic granulating plant has granulating device that is water-cooled with granulated-water, where bulk-cargo heat exchanger is provided with heat exchanger medium for heating plastic-bulk cargo
CN111231262A (en) * 2020-03-05 2020-06-05 崔宝英 High-efficient environment-friendly plastics extruding machine
CN111231262B (en) * 2020-03-05 2021-11-09 苏州市华仓塑料有限公司 Environment-friendly plastics extruding machine

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JPS4985150A (en) 1974-08-15
IT992273B (en) 1975-09-10
DE2235023C3 (en) 1975-05-07
ES416958A1 (en) 1976-03-16
DE2235023B2 (en) 1974-09-05
ATA601973A (en) 1977-11-15
AT344399B (en) 1978-07-25
GB1394343A (en) 1975-05-14
BR7305253D0 (en) 1974-09-05
FR2192898A1 (en) 1974-02-15
FR2192898B1 (en) 1976-11-12

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