WO2020054573A1 - 異物除去方法および仕分けシステム - Google Patents

異物除去方法および仕分けシステム Download PDF

Info

Publication number
WO2020054573A1
WO2020054573A1 PCT/JP2019/034995 JP2019034995W WO2020054573A1 WO 2020054573 A1 WO2020054573 A1 WO 2020054573A1 JP 2019034995 W JP2019034995 W JP 2019034995W WO 2020054573 A1 WO2020054573 A1 WO 2020054573A1
Authority
WO
WIPO (PCT)
Prior art keywords
bale
weight
crumb
foreign matter
veil
Prior art date
Application number
PCT/JP2019/034995
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
祐介 河津
諒 難波
誠 野瀬
俊文 藤岡
浩之 物部
Original Assignee
宇部興産株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 宇部興産株式会社 filed Critical 宇部興産株式会社
Priority to CN201980053745.5A priority Critical patent/CN112566944B/zh
Priority to KR1020217004832A priority patent/KR102494389B1/ko
Priority to JP2020545969A priority patent/JP7062077B2/ja
Publication of WO2020054573A1 publication Critical patent/WO2020054573A1/ja

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/16—Sorting according to weight
    • B07C5/22—Sorting according to weight using a plurality of stationary weighing mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B07C5/361—Processing or control devices therefor, e.g. escort memory
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C3/00—Treatment of coagulated rubber
    • C08C3/02—Purification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/04—Fractionation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Definitions

  • the present invention is a technique for detecting foreign matter in a crumb-shaped polymer to be supplied and transferred and sorting the product into a product (regular product) and a nonstandard product.
  • a butadiene solution as a raw material is prepared, a catalyst is added, and polymerization is performed to obtain a polymer solution (polymerization step).
  • the obtained polymer solution is subjected to steam treatment, and a polymer in the form of a crumb slurry is recovered (solvent removing step).
  • the polymer containing water is dehydrated by an extruder, and dried by hot air or the like to form a dry crumb (dehydration / drying step).
  • the crumb-shaped polymer is compressed and molded (molding step).
  • the present invention relates to a molding process.
  • the molding process will be described in more detail.
  • a crumb-shaped or powdered semi-finished product is a press-formed product (usually referred to as a veil, hereinafter referred to as a veil) having a rectangular parallelepiped shape by a press molding machine (usually referred to as a baler, hereinafter referred to as a baler). ).
  • the crumb-shaped polymer is automatically measured and adjusted to a specified weight range (for example, Patent Document 1).
  • the rubber veil is covered with a thin film wrapper such as a polyethylene film or a polystyrene film, and a plurality of the veils are stored in a storage container such as a container and shipped to a user.
  • the bale is melted or dissolved, vulcanized and processed on the user side.
  • the bale containing foreign matter is detected by visual inspection by an observer before carrying out after bale molding, and the product is classified into products and nonstandard products.
  • the observer cannot detect foreign substances inside the veil.
  • the burden on the guards is heavy.
  • Patent Document 2 a technique has been proposed in which foreign matter is detected on a belt conveyor that conveys a crumb-shaped polymer from the dehydration / drying step, and the foreign matter is removed before bale molding (for example, Patent Document 2).
  • Patent Literature 2 describes, as an example of foreign matter removing means, that air is applied to a crumb containing a foreign substance that is falling and the fall trajectory of the crumb containing the foreign substance is changed to remove the foreign substance. .
  • the crumb-shaped polymer has tackiness, and the grains are easily adhered to each other. As a result, the particle size becomes uneven and the behavior cannot be predicted.
  • the foreign matter removing means described in Patent Document 2 may not be able to remove foreign matter as expected.
  • the present invention has been made in view of the above problems, and it is possible to reliably detect a foreign substance, reliably sort a product and a nonstandard product, and furthermore, an economical polymer production technology with low production loss.
  • the purpose is to provide.
  • the present invention for solving the above problems is a method for removing foreign substances in a polymer production process.
  • Foreign matter is a cause of discoloration of the polymer or a bad influence when the polymer is processed into a product, such as dust such as metal pieces, crumbs that have been thermally degraded, resin pieces, catalyst residues, and excess moisture.
  • the weight of the veil by the crumb-shaped polymer in which the foreign matter is not detected is within a normal range
  • the weight of the veil including the crumb-shaped polymer in which the foreign matter is detected is out of the normal range. Measuring the weight of the bale, and based on the difference in the bale weights, unloads the bale with a weight in the normal range and removes the bale with a weight outside the normal range.
  • the step of measuring the bale weight before carrying out is common to the conventional system. That is, foreign substances can be removed using an existing system.
  • the weight of the veil containing the crumb-shaped polymer in which the foreign matter is detected is equal to or less than a first threshold smaller than the lower limit of the normal range.
  • the first threshold value is preferably a value smaller than the lower limit of the normal range by 1% by mass or more, more preferably a value smaller by 2% by mass or more, and particularly preferably a value smaller by 3% by mass or more. .
  • the crumb-shaped polymer when the measured weight of the crumb-shaped polymer when the foreign matter is detected is equal to or greater than a first threshold value that is lighter than the lower limit of the normal range, the crumb-shaped polymer includes the crumb-like polymer where the foreign matter is detected.
  • the weight of the bale is not less than a second threshold value which is heavier than the upper limit of the normal range.
  • the second threshold value is preferably a value larger than the upper limit of the normal range by 1% by mass or more, more preferably a value larger by 2% by mass or more, and particularly preferably a value larger by 3% by mass or more. .
  • the foreign matters include dust such as metal pieces, thermally degraded crumbs, resin pieces, catalyst residues, excess moisture, and remove the veil containing foreign matters other than the excess moisture, and remove the veil containing the excess moisture. Is reprocessed.
  • Reprocessing refers to removing moisture from the veil containing excess moisture to form a standard veil.
  • Examples of the reprocessing method include a method in which a veil containing excess moisture is finely cut into crumbs, the crumb-like polymer is dried by hot air or the like, dried into crumbs, and veiled again.
  • the sorting system of the present invention that solves the above-mentioned problems includes a continuous supply unit that continuously supplies a crumb-shaped polymer that has been polymerized and dehydrated and dried, a foreign-substance detection unit that detects a foreign substance in the crumb-shaped polymer, and a veil equivalent.
  • Bale-equivalent weight measuring means for measuring the weight of the crumb-shaped polymer
  • bale-forming means for pressurizing the veil-equivalent weight of the crumb-shaped polymer to form a bale
  • bale unloading means for unloading the veil
  • control means causes the carrying-out means to carry out the veil formed of the crumb-shaped polymer in which the foreign matter is not detected, and removes the veil containing the crumb-shaped polymer in which the foreign matter is detected.
  • the apparatus further comprises a bale weight measuring means for measuring the weight of the bale molded by the bale molding means, wherein the control means, in the bale-equivalent weight measuring means, when the foreign matter is not detected The bale-equivalent weight is measured to be in the normal range, and when the foreign matter is detected, the bale-equivalent weight is measured to be out of the normal range, and the bale weight is obtained from the bale weight measuring means, Based on the bale weight, the carrying means causes the carrying-out means to carry out the bale having a weight within the normal range and remove the bale having a weight outside the normal range.
  • the foreign object detecting means is a foreign object detection camera and a thermographic camera.
  • the present invention for solving the above problems is a bale which is sorted and carried out by the sorting system.
  • the present invention for solving the above problems is a veil manufacturing method in a polymer manufacturing process.
  • the weight of the veil by the crumb-shaped polymer in which the foreign matter is not detected is within a normal range
  • the weight of the veil including the crumb-shaped polymer in which the foreign matter is detected is out of the normal range. Measuring the weight of the bale, and based on the difference in the bale weights, unloads the bale with a weight in the normal range and removes the bale with a weight outside the normal range.
  • the weight of the veil containing the crumb-shaped polymer in which the foreign matter is detected is equal to or less than a first threshold smaller than the lower limit of the normal range.
  • the first threshold value is preferably a value smaller than the lower limit of the normal range by 1% by mass or more, more preferably a value smaller by 2% by mass or more, and particularly preferably a value smaller by 3% by mass or more. .
  • the crumb-shaped polymer when the measured weight of the crumb-shaped polymer when the foreign matter is detected is equal to or greater than a first threshold value that is lighter than the lower limit of the normal range, the crumb-shaped polymer includes the crumb-like polymer where the foreign matter is detected.
  • the weight of the bale is not less than a second threshold value which is heavier than the upper limit of the normal range.
  • the second threshold value is preferably a value larger than the upper limit of the normal range by 1% by mass or more, more preferably a value larger by 2% by mass or more, and particularly preferably a value larger by 3% by mass or more. .
  • the foreign matters include dust such as metal pieces, thermally degraded crumbs, resin pieces, catalyst residues, excess moisture, and remove the veil containing foreign matters other than the excess moisture, and remove the veil containing the excess moisture. Is reprocessed.
  • the polymer is a conjugated diene polymer.
  • foreign substances can be reliably detected and products and nonstandard products can be surely sorted.
  • the present invention is economical with little production loss.
  • FIG. 1 is a system configuration diagram according to an embodiment of the present invention. It is a conceptual diagram showing operation of the present invention. It is a functional block diagram showing a schematic structure of a control device concerning one embodiment of the present invention. It is a control flow figure at the time of bale molding concerning one embodiment of the present invention. It is a control flow figure at the time of sorting concerning one embodiment of the present invention.
  • FIG. 1 is a system configuration diagram according to an embodiment of the present invention.
  • the system includes a continuous supply unit, a foreign object detection unit, a bale-equivalent weight measurement unit, a bale forming unit, an unloading unit, and a control unit, and performs a series of operations.
  • the continuous supply means is, for example, the vibration feeder 1. After the polymerization, the vibration feeder 1 continuously supplies the crumb-shaped polymer 2 that has undergone the dehydration / drying step 8 to the system.
  • the foreign object detecting means is, for example, the thermographic camera 3 or the foreign object detecting cameras 4 and 5.
  • the thermographic camera 3 is provided on the vibration feeder 1 and detects excess moisture by detecting an actual temperature rise due to insufficiently dried crumbs.
  • the foreign matter detection cameras 4 and 5 are provided at the falling position at the end of the vibration feeder 1 and capture images of the falling crumb-shaped polymer to detect foreign matters such as dust, thermally degraded crumbs, resin fragments, and catalyst residues. By taking images of the foreign object detection cameras 4 and 5 from two directions before and after the falling path, detection omission can be suppressed.
  • thermographic camera 3 may be provided at the falling position of the end of the vibration feeder 1, and the foreign object detection cameras 4 and 5 may be provided on the vibration feeder. Further, the foreign object detection camera 4 may be provided on the vibration feeder 1 and the foreign object detection camera 5 may be provided at a drop position at the end of the vibration feeder 1, or only one of them may be used.
  • the bale-equivalent weight measuring means is composed of, for example, a weighing device 6 and a hopper 6a.
  • the hopper 6a is provided between the continuous feeding means and the bale forming means.
  • the hopper 6a has an upper hopper 6a1 and a lower hopper 6a2. While controlling the operation of the upper hopper 6a1 and the lower hopper 6a2 (details will be described in detail in the description relating to the control corresponding to FIGS. 3 and 4), the crumb-like polymer accumulated in the hopper 6a by the metering device 6 The weight of the crumb-shaped polymer equivalent to the veil is measured by measuring the weight of the polymer.
  • the bale forming means is, for example, a pressure forming machine (baler) 7.
  • the crumb-shaped polymer measured by the bale-equivalent weight measuring means is supplied and pressed to form a veil.
  • the unloading means is, for example, the conveyor 14.
  • a weight measuring device 15 is provided in the middle of the conveyor 14. Based on the difference in the bale weights by the weight measuring device 15, a bale with a weight in a normal range is carried out as a regular product 12 to the next step (packing process) 9, and a veil with a weight outside the regular range is removed as a non-standard product 13. , To another process 10 (off-grade / reprocessing).
  • the control device 30 will be described in detail in the description corresponding to FIG.
  • the first feature is to detect foreign matter in crumb-shaped polymer before bale molding. This makes it possible to detect foreign substances contained in the inside of the veil, which could not be detected conventionally.
  • the second feature is to remove the veil containing foreign matter after veil molding.
  • the crumb-shaped polymer has tackiness and the particles are easily adhered to each other, resulting in uneven particle size and unpredictable behavior. Therefore, it was determined that it is more reliable to remove the foreign matter by removing the veil containing the foreign matter.
  • the third feature is that when no foreign matter is detected, the bale weight is in the normal range. On the other hand, when foreign matter is detected, the bale weight is out of the normal range. It is to be. Thereby, based on the difference in the weight of the bale, it is possible to reliably sort into products and nonstandard products.
  • the operation of checking the bale weight before unloading is the same as the conventional system.
  • the existing system can be used to carry out a bale with a weight within the normal range and remove the bale with a weight outside the normal range to remove foreign matter. It is simple and economical.
  • FIG. 2 is a conceptual diagram showing the operation of the present invention. The basic concept will be described separately for Cases 1 to 3.
  • the first threshold is set to be lower than the lower limit of the normal range.
  • a bale with a weight (light) outside the normal range is intentionally molded. Remove the veil containing foreign matter as a nonstandard product. Further, since the bale is light, production loss can be suppressed.
  • the foreign matter is detected after the weighing by the weighing device 6 reaches the first threshold.
  • the weighing is continued until the weighing by the weighing device 6 exceeds the second threshold.
  • the second threshold is set to be heavier than the upper limit of the normal range.
  • a bale with a weight (heavy) outside the normal range is intentionally molded. Remove the veil containing foreign matter as a nonstandard product. This makes it possible to reliably sort the bale containing foreign matter.
  • FIG. 3 is a functional block diagram illustrating a schematic configuration of the control device according to the embodiment of the present invention.
  • the control device 30 includes a temperature information input unit 31, a first abnormality detection unit 32, an image information input unit 33, a second abnormality detection unit 34, a hopper weight measurement unit 35, a hopper control unit 36, a veil It has a molding control unit 37, a bale weight measurement unit 38, and a bale unloading control unit 39.
  • the temperature information input unit 31 inputs temperature information from the thermographic camera 3.
  • the first abnormality detection unit 32 detects a crumb containing excess moisture based on the temperature information from the temperature information input unit 31.
  • the image information input unit 33 inputs image information from the foreign object detection cameras 4 and 5.
  • the second abnormality detection unit 34 detects foreign matters such as dust, thermally degraded crumbs, resin fragments, and catalyst residues based on the image information from the image information input unit 33. For example, each foreign substance is identified based on a color difference.
  • the hopper internal weight measurement unit 35 inputs the weight information of the crumb in the hopper from the weighing device 6.
  • the hopper control unit 36 controls the weight information from the hopper internal weight measurement unit 35 and the presence / absence of the first abnormality detection signal 11a from the first abnormality detection unit 32 and the second abnormality detection signal 11b from the second abnormality detection unit 34.
  • the operation of the upper hopper 6a1 and the lower hopper 6a2 is controlled. Specifically, the crumb supply to the hopper is started with the upper hopper 6a1 opened and the lower hopper 6a2 closed. When the inside of the hopper reaches a predetermined weight, the upper hopper 6a1 is closed to stop the supply of the crumb to the hopper, and the lower hopper 6a2 is opened to supply the crumb to the baler 7.
  • the bale forming control section 37 operates the baler 7, forms the bale, and after the bale is formed, sends out the bale via the conveyor 14.
  • the bale weight measurement unit 38 inputs bale weight information from the weight measurement device 15 provided on the conveyor 14.
  • the bale unloading control unit 39 determines whether the product 12 is to be unloaded to the next process 9 or removed as a nonstandard product 13 and sent to another process 10 based on the bale weight information from the bale weight measurement unit 38.
  • FIG. 4 is a control flow diagram at the time of bale molding according to an embodiment of the present invention.
  • the weight of the crumb in the hopper is measured (step S12). Weight increases almost proportionally from zero.
  • step S13 If it is determined in step S13 that there is no abnormal signal detection, it is determined whether the weight of the crumb in the hopper is within the normal range (step S14). If it is determined that the weight of the crumb in the hopper is not within the normal range, the above control is repeated until the weight of the crumb in the hopper falls within the normal range (S14 ⁇ S12 ⁇ S13 ⁇ S14).
  • step S14 If it is determined in step S14 that the weight of the crumb in the hopper is within the normal range, the supply of the crumb to the hopper 6a is stopped (step S15). At the same time, all the crumbs stored in the hopper are supplied. The baler 7 is supplied with crumb having a weight within the normal range. At this time, no foreign matter is included.
  • step S13 If it is determined that an abnormal signal is detected while repeating the control until the weight of the crumb in the hopper falls within the normal range (S14 ⁇ S12 ⁇ S13 ⁇ S14), check whether the weight of the crumb in the hopper is less than the first threshold value. It is determined whether or not it is (step S17).
  • step S17 If it is determined in step S17 that the weight of the crumb in the hopper is less than the first threshold, the supply of the crumb to the hopper 6a is stopped (step S15). At the same time, all the crumbs stored in the hopper are supplied. The baler 7 is supplied with a deliberately low weight of crumb. At this time, foreign matter is included.
  • step S17 If it is determined in step S17 that the weight of the crumb in the hopper is not less than the first threshold, it is determined whether the weight of the crumb in the hopper exceeds the second threshold (step S18).
  • step S18 If it is determined in step S18 that the weight of the crumb in the hopper does not exceed the second threshold, the above control is repeated until the weight of the crumb in the hopper exceeds the second threshold (S18 ⁇ S12 ⁇ S13 ⁇ S17 ⁇ S18). .
  • step S18 If it is determined in step S18 that the weight of the crumb in the hopper exceeds the second threshold, the supply of the crumb to the hopper 6a is stopped (step S15). At the same time, all the crumbs stored in the hopper are supplied. The baler 7 is supplied with a purposely heavy crumb. At this time, foreign matter is included.
  • FIG. 5 is a control flow chart at the time of sorting according to an embodiment of the present invention.
  • Step S21 The formed bale is automatically conveyed from the baler 7 (Step S21).
  • the weight of the bale is measured (step S22). During the weight measurement, it is determined whether or not the bale weight is within the normal range (step S23).
  • step S23 If it is determined in step S23 that the weight of the bale is within the normal range, the bale is carried out as a product (step S24). If it is determined that the weight of the bale is not within the normal range, the type of the abnormal signal detected in step S13 is determined (step S25).
  • the abnormal signal is the second abnormal signal 11b in step S25, it is removed as an off-grade product (step S26). If the abnormal signal is the first abnormal signal 11a, it is temporarily removed and transported as a reprocessed product (step S27).
  • the crumb-like polymer to be veiled is a vulcanizable rubber such as natural rubber (NR), isoprene rubber (IR), styrene butadiene rubber (SBR), butadiene rubber (BR), chloroprene rubber (CR), butyl rubber (IIR), nitrile rubber (NBR), ethylene / propylene rubber (EPM, EPDM), chlorosulfonated polyethylene rubber (CSM), acrylic rubber (ACM), urethane rubber (U), silicone rubber (VMQ) , PVMQ, FVMQ), fluoro rubber (FKM), polysulfide rubber (T) and the like.
  • conjugated diene-based polymers are preferred, especially for butadiene rubber (BR).
  • the specified weight range of the genuine product is 0.94A ⁇ A ⁇ 1.06A, where A (kg) is the optimum polymer weight of the genuine product. 0.95A ⁇ A ⁇ 1.05A is more preferable, 0.97A ⁇ A ⁇ 1.03A is more preferable, 0.98A ⁇ A ⁇ 1.02A is more preferable, and 0.99 A ⁇ A ⁇ 1.01 is more preferable. Particularly preferred.
  • the optimum polymer weight of the genuine product differs depending on the type and grade of the polymer, but in the first embodiment, the optimum polymer weight of the genuine product is set to 35 kg, and the specified weight range of the genuine product is 34.54 kg to Set to 35.46 kg. In the second embodiment, the optimum polymer weight of a regular product is set to 30 kg, and the specified weight range of the regular product is set to 29.54 kg to 30.46 kg.
  • the first threshold value of the first embodiment is set to 33 Kg, which is lighter than the lower limit value (34.54 kg) of the normal range, and the second threshold value is set to 37 Kg, which is higher than the upper limit value (35.46 kg) of the normal range.
  • the first threshold is set to 28 Kg which is lighter than the lower limit (29.54 kg) of the normal range, and the second threshold is set to 32 kg which is heavier than the upper limit (30.46 kg) of the normal range.
  • thermographic camera 3 for example, CPA-L25B manufactured by Chino can be used.
  • the foreign object detection cameras 4 and 5 for example, SP-20000C-PMCL manufactured by JAI can be used.
  • weighing device 15 for example, CLH50L manufactured by Daiwa Seisakusho can be used.
  • Other configurations are common to the existing system, and the existing system can be used.
  • Case 2 The same operation as in Case 1 is started, but if foreign matter is detected before the first threshold value reaches 33 kg, a bale lighter (less than 33 kg) than the first threshold value is formed (S11 ⁇ S12 ⁇ S13 ⁇ S17 ⁇ S15). ⁇ S16). A bale with a weight outside the normal range (less than 33 kg) is removed as a nonstandard product (S21 ⁇ S22 ⁇ S23 ⁇ S25 ⁇ S26). As a result, foreign matter contained in the veil is removed. Production losses are minimal.
  • a bale of 15 kg may be molded.
  • Case 2 The same operation as in Case 1 is started, but if foreign matter is detected before the first threshold value reaches 28 kg, a bale lighter (less than 28 kg) than the first threshold value is molded (S11 ⁇ S12 ⁇ S13 ⁇ S17 ⁇ S15). ⁇ S16). Bale with a weight outside the normal range (less than 28 kg) is removed as a nonstandard product (S21 ⁇ S22 ⁇ S23 ⁇ S25 ⁇ S26). As a result, foreign matter contained in the veil is removed. Production losses are minimal.
  • a bale of 15 kg may be molded.
  • the system includes the thermographic camera 3, but the thermographic camera 3 is not indispensable unless excessive moisture is detected as a foreign substance.
  • the product is classified into the non-standard product and the product based on the weight of the bale.
  • the control for separating the product and the non-standard product based on the abnormality detection signal may be combined.
  • Each veil is assigned an identifier and is associated with an abnormality detection signal.
  • the visual inspection by the observer is omitted, but may be used together. Further, a warning lamp may be used to alert the observer based on the abnormal signal.
  • the findings obtained by the present invention are not limited to vulcanizable rubbers, but also use a weighing device as a countermeasure after detection of foreign matter, so that they can be widely applied in the food and pharmaceutical fields.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Sorting Of Articles (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
PCT/JP2019/034995 2018-09-10 2019-09-05 異物除去方法および仕分けシステム WO2020054573A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201980053745.5A CN112566944B (zh) 2018-09-10 2019-09-05 异物除去方法以及分类系统
KR1020217004832A KR102494389B1 (ko) 2018-09-10 2019-09-05 이물 제거 방법 및 분류 시스템
JP2020545969A JP7062077B2 (ja) 2018-09-10 2019-09-05 異物除去方法および仕分けシステム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018169192 2018-09-10
JP2018-169192 2018-09-10

Publications (1)

Publication Number Publication Date
WO2020054573A1 true WO2020054573A1 (ja) 2020-03-19

Family

ID=69777604

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/034995 WO2020054573A1 (ja) 2018-09-10 2019-09-05 異物除去方法および仕分けシステム

Country Status (5)

Country Link
JP (1) JP7062077B2 (ko)
KR (1) KR102494389B1 (ko)
CN (1) CN112566944B (ko)
TW (1) TWI777088B (ko)
WO (1) WO2020054573A1 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116256374A (zh) * 2023-02-07 2023-06-13 西双版纳中化橡胶有限公司 一种天然橡胶的异物检测评价方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06179420A (ja) * 1992-12-15 1994-06-28 Kanebo Ltd 横型ピロー包装機における包装不良製品の排出装置
JPH08210984A (ja) * 1995-02-06 1996-08-20 Babcock Hitachi Kk 粉粒体等の検査装置
US20170030838A1 (en) * 2015-07-30 2017-02-02 Zeon Chemicals L.P. Rubber crumb inspection system
JP2017171803A (ja) * 2016-03-24 2017-09-28 日本ゼオン株式会社 異物の検出方法、異物の検出装置、エラストマー成形体の製造方法およびエラストマー成形体の製造装置
JP2017173168A (ja) * 2016-03-24 2017-09-28 日本ゼオン株式会社 異物の検出方法、異物の検出装置、エラストマーの製造方法およびエラストマーの製造装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3015214B2 (ja) 1992-12-25 2000-03-06 東レ・ダウコーニング・シリコーン株式会社 ゴムベールの重量制御方法およびそのための装置
KR102069835B1 (ko) * 2016-11-02 2020-01-23 주식회사 엘지화학 불완전하게 건조된 원료의 검출, 제거, 이송 및 회수 시스템

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06179420A (ja) * 1992-12-15 1994-06-28 Kanebo Ltd 横型ピロー包装機における包装不良製品の排出装置
JPH08210984A (ja) * 1995-02-06 1996-08-20 Babcock Hitachi Kk 粉粒体等の検査装置
US20170030838A1 (en) * 2015-07-30 2017-02-02 Zeon Chemicals L.P. Rubber crumb inspection system
JP2017171803A (ja) * 2016-03-24 2017-09-28 日本ゼオン株式会社 異物の検出方法、異物の検出装置、エラストマー成形体の製造方法およびエラストマー成形体の製造装置
JP2017173168A (ja) * 2016-03-24 2017-09-28 日本ゼオン株式会社 異物の検出方法、異物の検出装置、エラストマーの製造方法およびエラストマーの製造装置

Also Published As

Publication number Publication date
CN112566944B (zh) 2022-12-16
TW202026315A (zh) 2020-07-16
KR20210033505A (ko) 2021-03-26
JP7062077B2 (ja) 2022-05-02
TWI777088B (zh) 2022-09-11
CN112566944A (zh) 2021-03-26
JPWO2020054573A1 (ja) 2021-09-16
KR102494389B1 (ko) 2023-02-06

Similar Documents

Publication Publication Date Title
US9505033B2 (en) Method and system for processing and recycling infill material of artificial turf
EP2774693A1 (en) Process for removing contaminants from polymeric powders
JP3718470B2 (ja) Ｐｅｔ材料の再利用をする方法及び装置
EP2992973B1 (en) Method and system for molding a fiber-reinforced composite structure using chopped fiber-reinforced pieces
WO2020054573A1 (ja) 異物除去方法および仕分けシステム
JP4557298B2 (ja) 縦型製袋包装機
KR101772368B1 (ko) 정제를 분류하기 위한 개체 분류 장치, 그러한 개체 분류 장치 및 정제형성 장치를 갖는 시스템, 및 개체 분류 장치를 점검하기 위한 방법
KR20110028240A (ko) 콘테이너 폐쇄부를 점검하는 장치 및 방법
JP4871874B2 (ja) 成形容器を検査し区分けするシステム及び方法
US7631767B2 (en) Moulding composition
CN106628289A (zh) 一种碳酸钙粉包装机自动装料系统及装料方法
KR102516475B1 (ko) 검사 방법 및 검사 장치
WO2019049669A1 (ja) 生産監視システム及び生産監視方法
JP2011148166A (ja) 樹脂塗膜剥離システム
CN110446920A (zh) 含水物检测装置、含水物检测方法以及橡胶状聚合物的制造方法
US20100117267A1 (en) Process for pelletizing pet
NL1009599C2 (nl) Werkwijze voor het uit gebruikte verontreinigde kunststof vervaardigen van opnieuw bruikbare kunststof korrels.
CN118120853A (zh) 一种提高虾料成品率的虾料生产方法
CN207222390U (zh) 一种色选物料槽式结构
TWM631730U (zh) 空袋剔除系統
CN117837685A (zh) 一种自动化的虾料生产方法
JP2008080634A (ja) 廃プラスチックの高密度成形方法
JP2023003608A (ja) 生産管理システム及び生産管理プログラム
CN117463470A (zh) 一种石灰石粉生产线自动控制系统
CN117837684A (zh) 一种自动化的膨化鱼饲料生产方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19859088

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2020545969

Country of ref document: JP

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 20217004832

Country of ref document: KR

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19859088

Country of ref document: EP

Kind code of ref document: A1