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WO2006041098A1 - Dispositif de decoupe sous l’eau, systeme de circulation d’eau de refroidissement et de transport de pastilles dans le dispositif de decoupe sous l’eau, et procede de moulage de pastilles utilisant le dispositif de decoupe sous l’eau - Google Patents

Dispositif de decoupe sous l’eau, systeme de circulation d’eau de refroidissement et de transport de pastilles dans le dispositif de decoupe sous l’eau, et procede de moulage de pastilles utilisant le dispositif de decoupe sous l’eau Download PDF

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Publication number
WO2006041098A1
WO2006041098A1 PCT/JP2005/018800 JP2005018800W WO2006041098A1 WO 2006041098 A1 WO2006041098 A1 WO 2006041098A1 JP 2005018800 W JP2005018800 W JP 2005018800W WO 2006041098 A1 WO2006041098 A1 WO 2006041098A1
Authority
WO
WIPO (PCT)
Prior art keywords
pellet
die
underwater cutter
cutter
cooling
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.)
Ceased
Application number
PCT/JP2005/018800
Other languages
English (en)
Japanese (ja)
Inventor
Seiji Takamoto
Takeshi Kawakami
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.)
Japan Steel Works Ltd
Original Assignee
Japan Steel Works Ltd
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 Japan Steel Works Ltd filed Critical Japan Steel Works Ltd
Publication of WO2006041098A1 publication Critical patent/WO2006041098A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B29B9/065—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion under-water, e.g. underwater pelletizers
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/582—Component parts, details or accessories; Auxiliary operations for discharging, e.g. doors
    • 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
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/82—Heating or cooling
    • B29B7/826—Apparatus therefor

Definitions

  • This invention relates to an underwater cutter (also referred to as a UWC device) known as a pellet processing apparatus, and a pellet cooling in an underwater cutter that is used in an underwater cutter and transports the pellet formed by the underwater cutter while being cooled.
  • the present invention relates to a carrier water (PCW) circulation system and a pellet forming method using it.
  • PCW carrier water
  • FIG. 5 is a side view showing an example of a plastic plastic kneading extrusion granulator.
  • the plastic plastic kneading kneading extrusion granulator shown in FIG. 5 includes a plastic plastic kneading kneader 1, a gear pump 2, a molten plastic filtering device 3, and an underwater cutter 4 which is a pellet processing device.
  • the plastic plasticizing kneader 1 is an apparatus for plastic kneading solid plastic
  • the gear pump 2 is an apparatus for extruding molten plastic to a downstream apparatus.
  • the molten plastic filtering device 3 is a device that filters solid impurities contained in the molten plastic
  • the underwater cutter 4 is a device that processes the molten plastic into particles (pellets).
  • FIG. 6 and FIG. 7 show an example of a conventional underwater cutter 4.
  • FIG. 6 (A) is a side view of the underwater cutter 4, and FIG. 6 (B) is a cross-sectional view taken along the line A—A in FIG. 6 (A).
  • a die 5 a circulation box (water tank) 6, a tie bar 7, a moving carriage 8, and a drive machine (motor) 12 are shown.
  • the die 5 and the circulation box 6 are fastened by four tie bars 7 shown in the AA cross section.
  • FIG. 7 shows a cross-sectional view (inner transparent view) of the underwater cutter shown in FIG. 6 during pellet processing.
  • molten plastic 9 hole (nozzle) 10
  • PCW pellet cold Rejected water
  • drive machine (motor) 12 cutter blade 13, pellet 14, coupling 15, and cutter shaft 16 are shown.
  • the underwater cutter 4 including the circulation box 6, the tie bar 7, the moving carriage 8, the drive machine (motor) 12, the cutter blade 13, the coupling 15, and the cutter shaft 16 is fastened by the tie bar 7. It is possible to move separately from the dice 5 by the moving carriage 8 by releasing.
  • FIG. 8 is a system diagram showing an example of a conventional PCW circulation system.
  • an underwater cutter 4 a dewatering slit 18, a centrifugal dryer 19, a PCW tank 20, a PCW pump 21, and a three-way valve 22 are shown.
  • PCW circulates in the system with 21 PCW pumps.
  • the pellets molded by the underwater cutter 4 are transported to the dewatering slit 18 together with the PCW, separated from the PCW by the dewatering slit 18, and the moisture adhering excessively in the centrifugal dryer 19. After being removed, it becomes a pellet product.
  • the solid plastic is supplied to the plastic plasticizing kneader 1 and plasticized.
  • the plastic melted plastic is conveyed to the gear pump 2 which is a downstream device by a screw la built in the plastic plastic kneader 1. Conveyed molten plastic
  • the gear is transported by the gear pump 2 to the molten plastic filtering device 3 and the underwater cutter 4.
  • the molten plastic filtration device 3 filters solid impurities in the molten plastic.
  • a pellet processing operation is performed in water to add molten plastic to the pellets.
  • the die 5 is heated by a heating medium (steam, hot oil, electric heater, etc.).
  • the underwater cutter 4 is fastened to a hydraulic device (not shown) by four tie bars 7 installed on the outer periphery of the die 5 and the circulation box 6.
  • the underwater cutter 4 can be separated from the die 5 by releasing the tightening by the tie bar 7 when pellet molding is not performed.
  • the cutter blade 13 is coupled to the cutter shaft 16, and the cutter shaft 16 is driven. It is connected to machine 12 via coupling 15.
  • the molten plastic 9 is also extruded in the form of a strand into the PCW 11 in the circulation box 6 by a large number of holes 10 processed into the die 5.
  • the molten plastic 9 extruded in a strand shape is cut by a cutter blade 13 rotated by a drive machine 12 and molded into pellets 14.
  • FIG. 1 it flows from the bottom to the top of the circulation box 6 and is conveyed while being cooled by the PCW 11.
  • PCW11 is supplied into the circulation box 6 by the PCW pump 21.
  • the pellets 14 conveyed from the underwater cutter 4 by the PCW 11 are conveyed to the dehydration slit 18 through the piping as shown in FIG. In the dewatering slit 18, the PCW 11 and the pellet 14 are separated. Thereafter, the pellets 14 are sent to a centrifugal dryer 19 where the water adhering to the surface is centrifuged to form pellet products.
  • PCW11 separated by the dehydration slit 18 and the centrifugal dryer 19 falls, and the PCW Return to tank 20.
  • the PCW 11 that has returned to the PCW tank 20 filters the dust in the PCW 11 with a filtration device (not shown), and is sent again to the underwater cutter 4 with the PCW pump 21.
  • a three-way valve 22 is installed between the PCW pump 21 and the underwater cutter 4, and if pellet molding is not performed, the PCW11 is returned (bypassed) to the PCW tank 20, and the underwater cutter 4 The die force can also be separated.
  • Patent Documents 1 and 2 are known.
  • Patent Document 1 JP-A-6-182760
  • Patent Document 2 JP-A-10-264151
  • the conventional underwater cutter 4 is configured as described above.
  • the molten plastic 9 is not extruded from the hole 10 of the die 5, the molten plastic 9 is solidified in the hole 10 of the die 5 by PCW11. . Therefore, when restarting the pellet forming process, the following operations are always necessary.
  • PCW11 is supplied into the circulation box 6 by the PCW pump 21.
  • the present invention has been made to solve the above-described conventional problems.
  • human work can be reduced, so that human costs can be reduced, and pellets can be manufactured efficiently at low cost.
  • the present invention provides a PCW circulation system for an underwater cutter that circulates pellet cooling and conveying water (PCW) that conveys pellets that have been formed and processed by the underwater cutter while cooling them.
  • PCW pellet cooling and conveying water
  • the underwater cutter is provided with an adjustment unit for adjusting the injection amount of the compressed air.
  • molten plastic is extruded from a hole in a die by an underwater cutter, cut by a cutter blade, and the pellets that are cut are circulated by a PCW circulating system (PCW).
  • PCW PCW circulating system
  • the pellet cooling transport water is fed from the hole in the die. Low, position force Compressed air is injected to increase the temperature of the die.
  • the molten plastic is extruded from the hole of the die by an underwater cutter and cut by a cutter blade, and the pellet pellets that have been cut are circulated by a PCW circulation system (PCW).
  • PCW PCW circulation system
  • the pellet cooling transport water flow rate is reduced before restarting the pellet forming process while circulating the PCW. The temperature of the die is increased.
  • molten plastic is extruded from a hole in a die by an underwater cutter, cut by a cutter blade, and pellets cooled and conveyed water (PCW) circulated by a PCW circulation system.
  • PCW pellets cooled and conveyed water
  • the flow rate of the pellet cooling transport water is reduced and the pellet cooling transport water is supplied with the die. It is characterized in that the temperature of the die is raised by injecting a position force compressed air lower than that of the hole.
  • the pellet forming process by the underwater cutter is resumed.
  • the underwater cutter can be carried out without separation.
  • pellet molding is carried out with an underwater cutter, it is possible to carry out with a small number of people and a simple operation. Therefore, according to the present invention, it is possible to reduce human work in the preliminary operation when resuming pellet forming by the underwater cutter, thereby reducing the human cost and reducing the cost. In addition, there is an effect that the pellets can be efficiently manufactured.
  • FIG. 1 is a system diagram showing an example of a PCW circulation system in an embodiment of the present invention.
  • FIG. 2 is a side view showing an underwater cutter.
  • FIG. 3 is an operation explanatory diagram showing an example of the behavior of compressed air in the circulation box.
  • FIG. 4 is a diagram showing the results of Examples.
  • FIG. 5 is a side view showing an example of a plastic plastic kneading extrusion granulator.
  • FIG. 6 is a view showing an example of a conventional underwater cutter
  • FIG. 6 (A) is a side view of the underwater cutter
  • FIG. 6 (B) is a cross-sectional view taken along line AA in FIG. 6 (A).
  • FIG. 7 is a cross-sectional view of the underwater cutter shown in FIG. 6 during pellet caching.
  • FIG. 8 is a system diagram showing an example of a conventional PCW circulation system.
  • FIG. 1 is a system diagram showing an example of a PCW circulation system in an embodiment of the present invention
  • FIG. 2 is a side view showing an underwater cutter.
  • the PCW circulation system shown in Figure 1 Are provided with an underwater cutter 4A, a dewatering slit 18, a centrifugal dryer 19, a PCW tank 20, a PCW pump 21, a three-way valve 22, and an opening adjustment valve 23 along a circulation path constituted by piping.
  • PCW pump 21 pcs. PCW circulates in the circulation system.
  • An adjustment valve 26 is provided.
  • 24 indicates compressed air.
  • the underwater cutter 4A is connected to a compressed air supply pipe connection 4c at a position lower than the die 5 of the pipe connection 4b in the PCW circulation system, and a flow meter 25 is connected to the compressed air supply pipe connection 4c.
  • the flow adjustment valve 26 is provided to constitute a compressed air injection part, and the flow adjustment valve 26 constitutes an adjustment part for adjusting the amount of compressed air injected.
  • FIG. 3 is an operation explanatory view showing an example of the behavior of the compressed air in the circulation box 6.
  • 27 shows a first air layer and 28 shows a second air layer.
  • the pellets molded by the underwater cutter 4 A are conveyed by PCW 11, pass through piping, and are conveyed to the dehydration slit 18.
  • PC W11 and pellet 9 are separated.
  • the pellet 9 is sent to the centrifugal dryer 19, and the water adhering to the surface is centrifuged to form a pellet product.
  • the PCW 11 separated by the dehydration slit 18 and the centrifugal dryer 19 falls and returns to the PC W tank 20.
  • the PCW 11 that has returned to the PCW tank 20 filters the dust in the PCW with the filtration device 3 (see Fig. 5), and is sent again to the underwater cutter 4A by the PCW pump 21.
  • a three-way valve 22 and an opening adjusting valve 23 are installed between the PCW pump 21 and the underwater cutter 4A.
  • the three-way valve 22 returns the PCW 11 to the PCW tank 20 when the cutter blade 13 built in the underwater cutter 4A is worn and stopped for a short time when the replacement is performed, and when the underwater cutter 4A itself is maintained. Bypass), underwater cutter 4A is provided so that the circulation system force can be separated.
  • the opening adjustment valve 23 uses the pump capacity characteristics with respect to the back pressure of the PCW pump 21, adjusts the PCW pressure in the system by adjusting the opening, and is supplied to the underwater cutter 4A. It is provided so that the flow rate can be adjusted.
  • the opening adjusting valve 23 is opened to increase the PCW flow rate to a flow rate at which the pellet 14 can be sufficiently cooled and conveyed, and the die 5 is melted. If the plastic 9 is not extruded, it is possible to close the opening adjustment valve 23 and reduce the PCW flow rate.
  • the die 5 is heated by a heating medium (steam, hot oil, electric heater, etc.).
  • the underwater cutter 4A is fastened to a hydraulic device (not shown) by four tie bars (see FIG. 6B) installed on the outer periphery of the die 5 and the circulation box 6.
  • the cutter blade 13 is coupled to the cutter shaft 16, and the cutter shaft 16 is connected to the drive unit 12 via the cutting 15.
  • the molten plastic 9 is extruded into a PCW 11 in the circulation box 6 in the form of a strand from a large number of holes 10 that are covered with the die 5.
  • the molten plastic 9 extruded in a strand shape is cut by a cutter blade 13 rotated by a drive machine 12 and formed into a pellet 14.
  • the pellet 14 is caused to flow from the bottom of the circulation box 6 to the top by the PCW pump 21 (not shown), and is cooled and conveyed by the V, PCWl 1, and is shown in the figure from the circulation box 6. To be transported. At this time, while checking the compressed air 24 with the flow meter 25, the injection amount is adjusted with the flow adjustment valve 26, and an appropriate amount is injected into the PCW 11.
  • the injection of compressed air 24 may provide any position force, if any, lower than the hole 10 in the die 5. Further, the compressed air 24 is injected before the pellet forming process is resumed. After confirming that the temperature of the die 5 has risen sufficiently with a thermometer (not shown) installed in the die 5, restart the pellet forming process.
  • the compressed air 24 supplied from below the die 5 flows through the circulation box 6 from the bottom to the top by the PCW pump 21 and rises due to the flow of PCWl 1 and the specific gravity difference.
  • the raised compressed air 24 gathers in the vicinity of the cutter blade 13 rotating by the drive machine 12 to form a first air layer 27.
  • the gap between the die 5 and the cutter blade 13 is Is rotated by a driving machine 12 (not shown), a pressure difference from the outside is generated, the compressed air 24 enters, and a second air layer 28 is formed.
  • the compressed air 24 from the first air layer 27 and the second air layer 28 is further raised by the PCW 11 flowing from the bottom to the top of the circulation box 6 by the PCW pump 21 and the specific gravity difference, and the circulation box 6 discharged outside.
  • the compressed air 24 discharged out of the circulation box 6 is discharged out of the PCW circulation system through the dewatering slit 18 of the PCW circulation system.
  • the first air layer 27 and the second air layer 28 are constantly renewed by the injected compressed air.
  • the contact between the surface of the die 5 and the PCW 11 is reduced, and the temperature of the die 5 rises.
  • a facility for injecting compressed air into the PCW, and an opening adjusting valve between the PCW pump and the underwater cutter in the PCW circulation system are provided.
  • the PCW pressure in the PCW circulation system increases and the PCW flow rate supplied to the circulation box decreases.
  • PCW takes heat from the die that is heated in the circulation box and the temperature rises.
  • the PCW temperature in the circulation box rises more than when the PCW flow rate is high.
  • the die temperature can be kept high.
  • Raw material Polyester plastic
  • PCW supply temperature 80 ° C
  • the opening ratio of the die hole increased by 2.3 times or more.
  • the die hole opening rate increased.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

L’invention concerne un dispositif de découpe sous l’eau permettant de réduire les coûts de main-d’œuvre et de fabriquer des pastilles de façon efficace et à faible coût, un système de circulation d’eau de refroidissement et de transport de pastilles dans le dispositif de découpe sous l’eau (4A) pour faire circuler une eau de refroidissement et de transport de pastilles moulées dans le dispositif de découpe sous l’eau (4A), et un procédé de moulage de pastilles utilisant le dispositif de découpe sous l’eau. Le système de circulation d’eau de refroidissement et de transport de pastilles comprend un vanne de régulation d’ouverture (23) régulant le débit de l’eau de refroidissement et de transport de pastilles, et une partie d’introduction d’air comprimé pour introduire de l’air comprimé dans l’eau de refroidissement et de transport de pastilles en une position adéquate plus basse que le trou d’une puce (5). Le dispositif de découpe sous l’eau (A) est également doté d’une partie de régulation pour réguler la quantité d’air comprimé introduite.
PCT/JP2005/018800 2004-10-13 2005-10-12 Dispositif de decoupe sous l’eau, systeme de circulation d’eau de refroidissement et de transport de pastilles dans le dispositif de decoupe sous l’eau, et procede de moulage de pastilles utilisant le dispositif de decoupe sous l’eau Ceased WO2006041098A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004298425A JP4173850B2 (ja) 2004-10-13 2004-10-13 Ｕｗｃ装置、ｕｗｃ装置におけるｐｃｗ循環システム、及びｕｗｃ装置を用いたペレット成形加工方法
JP2004-298425 2004-10-13

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Publication Number Publication Date
WO2006041098A1 true WO2006041098A1 (fr) 2006-04-20

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PCT/JP2005/018800 Ceased WO2006041098A1 (fr) 2004-10-13 2005-10-12 Dispositif de decoupe sous l’eau, systeme de circulation d’eau de refroidissement et de transport de pastilles dans le dispositif de decoupe sous l’eau, et procede de moulage de pastilles utilisant le dispositif de decoupe sous l’eau

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JP (1) JP4173850B2 (fr)
WO (1) WO2006041098A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009530142A (ja) * 2006-03-22 2009-08-27 ビーエーエスエフ ソシエタス・ヨーロピア 低沸点物質を含む重合体融解物のペレット化方法
WO2010062528A1 (fr) * 2008-10-28 2010-06-03 E. I. Du Pont De Nemours And Company Cisaille améliorée pour produit de fusion polymère et ses processus
US20130062804A1 (en) * 2010-05-14 2013-03-14 The Japan Steel Works, Ltd. Granulation method and granulation apparatus
WO2014095042A1 (fr) * 2012-12-21 2014-06-26 Maag Pump Systems Gmbh Porte-bloc avec système de coulée continue intégré pour matières synthétiques thermoplastiques
WO2025019636A1 (fr) * 2023-07-19 2025-01-23 Nordson Corporation Appareil et procédé de granulation sous eau

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010234546A (ja) * 2009-03-30 2010-10-21 Japan Steel Works Ltd:The アダプタ及びペレット製造装置
JP5075217B2 (ja) * 2010-03-09 2012-11-21 株式会社日本製鋼所 ペレット冷却／搬送用水の排出方法及び装置
JP5557631B2 (ja) * 2010-07-13 2014-07-23 株式会社神戸製鋼所 水中カット造粒装置
JP5988948B2 (ja) * 2013-10-08 2016-09-07 株式会社神戸製鋼所 ペレタイザ

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6458445A (en) * 1987-08-27 1989-03-06 Toyoda Machine Works Ltd Tool replacing device
JPH04310707A (ja) * 1991-04-10 1992-11-02 Japan Steel Works Ltd:The 水中造粒方法及び装置
JPH06182760A (ja) * 1992-12-15 1994-07-05 Japan Steel Works Ltd:The ミニペレット造粒方法及び装置
JPH07227837A (ja) * 1994-02-16 1995-08-29 Mitsui Toatsu Chem Inc 押出造粒機の停止及び起動方法
JPH11179724A (ja) * 1997-12-24 1999-07-06 Kobe Steel Ltd 水中カット造粒装置及び水中カット造粒装置の起動方法
JP2001105429A (ja) * 1999-10-14 2001-04-17 Kiyosumi Imai 合成樹脂水中カット造粒装置
JP2003039426A (ja) * 2001-07-27 2003-02-13 Japan Steel Works Ltd:The アンダーウォータカット方式のプラスチック造粒装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6458445A (en) * 1987-08-27 1989-03-06 Toyoda Machine Works Ltd Tool replacing device
JPH04310707A (ja) * 1991-04-10 1992-11-02 Japan Steel Works Ltd:The 水中造粒方法及び装置
JPH06182760A (ja) * 1992-12-15 1994-07-05 Japan Steel Works Ltd:The ミニペレット造粒方法及び装置
JPH07227837A (ja) * 1994-02-16 1995-08-29 Mitsui Toatsu Chem Inc 押出造粒機の停止及び起動方法
JPH11179724A (ja) * 1997-12-24 1999-07-06 Kobe Steel Ltd 水中カット造粒装置及び水中カット造粒装置の起動方法
JP2001105429A (ja) * 1999-10-14 2001-04-17 Kiyosumi Imai 合成樹脂水中カット造粒装置
JP2003039426A (ja) * 2001-07-27 2003-02-13 Japan Steel Works Ltd:The アンダーウォータカット方式のプラスチック造粒装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009530142A (ja) * 2006-03-22 2009-08-27 ビーエーエスエフ ソシエタス・ヨーロピア 低沸点物質を含む重合体融解物のペレット化方法
WO2010062528A1 (fr) * 2008-10-28 2010-06-03 E. I. Du Pont De Nemours And Company Cisaille améliorée pour produit de fusion polymère et ses processus
US20130062804A1 (en) * 2010-05-14 2013-03-14 The Japan Steel Works, Ltd. Granulation method and granulation apparatus
US9248585B2 (en) 2010-05-14 2016-02-02 The Japan Steel Works, Ltd. Granulation method using an underwater cutting (UWC) device
WO2014095042A1 (fr) * 2012-12-21 2014-06-26 Maag Pump Systems Gmbh Porte-bloc avec système de coulée continue intégré pour matières synthétiques thermoplastiques
WO2025019636A1 (fr) * 2023-07-19 2025-01-23 Nordson Corporation Appareil et procédé de granulation sous eau

Also Published As

Publication number Publication date
JP4173850B2 (ja) 2008-10-29
JP2006110777A (ja) 2006-04-27

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