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1. 发明专利

JP2002265958A RECYCLE WAX PRODUCTION APPARATUS 失效
公开(公告)号：JP2002265958A
公开(公告)日：2002-09-18
申请号：JP2001066854
申请日：2001-03-09
申请人： TSUJI DENSETSU KK , JAPAN ELECTRIC CABLE TECHNOLOG
发明人： TSUJI YOSHIO , OKUBO TAKANOBU , UEMATSU TADAYUKI , HONJO HIROMASA
IPC分类号： F23G5/00 , C08F8/50 , C08J11/12 , C10G1/10 , F23G5/027
摘要： PROBLEM TO BE SOLVED: To provide a recycle wax production apparatus which can uniformly scatter a raw material of a waxy substance on a grate and is simple-structured and low-cost. SOLUTION: This production apparatus is equipped with a waxy substance production means for producing a molten waxy substance from a raw material, a charge-in means for sending the molten waxy substance out, and a granulating means for granulating the waxy substance. The waxy substance production means causes the charged material to fall into a combustion tube, thermally decomposes and melts the material on the grate of an oven body, and collects the melt, as the waxy substance, dripping down from the grate. The oven body of the waxy substance production means comprises a grate and a combustion tube united thereto, the upper part of the combustion tube being rotatably supported. The granulating means has a waxy substance charge hopper, a heating member attached to the hopper for maintaining the molten state of the waxy substance, an opening/closing member of a hopper discharge port, and a cooling vessel which contains a collected cooling liquid and is installed at the falling position of the waxy substance.

2. 发明专利

JP2001059683A ROTARY KILN SYSTEM FOR THERMAL DECOMPOSITION FURNACE 失效
公开(公告)号：JP2001059683A
公开(公告)日：2001-03-06
申请号：JP23340499
申请日：1999-08-20
申请人： JAPAN ELECTRIC CABLE TECHNOLOG , TOSHIBA CORP
发明人： UEMATSU TADAYUKI , FUKUSHIMA MASATADA , TSURUGA SHIGENORI
IPC分类号： B09B3/00 , F27B7/22 , H01B15/00
摘要： PROBLEM TO BE SOLVED: To provide a rotary kiln system of thermal decomposition furnace, which is suitable for recovering a plastic-covered cable having come to the end of use, and removing harmful matters from the cover scrap material of a broken-up cable, and thermally decomposing the scrap material so as to reuse the scrap material. SOLUTION: In a rotary kiln system of a thermal decomposition furnace 1, consisting of an outer tube 2 and an inner tube 3 which rotates being stored in the outer tube 2, the diameters of the inner through holes of a flange 22 provided at both ends of the outer tube 2 are made smaller than the bore of the outer tube, and a junction between the end of the bore of the outer tube and the flange 22 is made in to the shape of a curved surface concaved from the end of the bore of the outer tube to the inner through-hole, and the rotary kiln system of a thermal decomposition furnace can thermally decompose the cable covering scrap material efficiently.

3. 发明专利

JP2004012313A METHOD OF MEASURING WATER PERMEATE FLOW RATE OF POWER CABLE 审中-公开
公开(公告)号：JP2004012313A
公开(公告)日：2004-01-15
申请号：JP2002166639
申请日：2002-06-07
申请人： JAPAN ELECTRIC CABLE TECHNOLOG , TOKYO ELECTRIC POWER CO
发明人： NAKADE MASAHIKO , TANAKA ATSUSHI , IWASAKI KIMIHIRO , KAWAI KOHEI
IPC分类号： G01M3/04
摘要： PROBLEM TO BE SOLVED: To provide a method of measuring the water permeate flow rate of a power cable by which the quality and reliability of the power cable can be improved by continuously, quantitatively, and accurately measuring the water permeate flow rate of the cable by directly measuring the quantity of water permeated through the water impervious layer of the cable. SOLUTION: In this method, a sample for measuring the water permeate flow rate is prepared by extracting a core portion from a cut piece of the power cable to be measured having a prescribed length and the water impervious layer and the water permeate flow rate of the cable is measured by arranging a dew point sensor section in the sample and, at the same time, hermetically sealing both ends of the sample and measuring the dew point in the sample by means of the sensor section. More concretely, the sample for measuring water permeate flow rate is prepared by extracting the core portion from the cut piece of the power cable having the prescribed length and the water impervious layer and the dew point sensor is arranged in the sample. Then the sample is housed in a water tank by hermetically sealing both ends of the sample and, after the inside of the sample is replaced with a gas having a low dew point, the dew point in the sample is measured by means of the dew point sensor section. COPYRIGHT: (C)2004,JPO

4. 发明专利

JP2003206316A APPARATUS FOR MANUFACTURING WAX-LIKE SUBSTANCE 审中-公开
公开(公告)号：JP2003206316A
公开(公告)日：2003-07-22
申请号：JP2002005878
申请日：2002-01-15
申请人： JAPAN ELECTRIC CABLE TECHNOLOG
发明人： MARUYAMA MASAHIRO , HONJO HIROMASA
IPC分类号： C08J11/12 , B29B17/00 , C08F8/50 , C10G1/00
摘要： PROBLEM TO BE SOLVED: To provide an apparatus permitting efficient manufacture of a wax- like substance where a synthetic resin waste material for producing a wax-like substance is melted with heat and thermally decomposed to give a melted wax- like product and the resultant wax-like melted matter is caused to drop into a reservoir tank. SOLUTION: The apparatus for manufacturing a wax-like substance comprises a freely rotatable combustion basket for heating and melting a raw material comprising a synthetic resin waste material for producing a wax-like substance and a reservoir tank for receiving a produced wax-like melted product having an upper end opening part toward the combustion basket, where a porous rooster having a concave surface for placing the raw material is provided at the lower end opening part of the combustion basket and a porous gas-collecting member having a concave surface facing the tank is provided above the reservoir tank so as to collect the highly heated combustible gas generated from the wax-like melted product collected in the tank and to collectively send them to the combustion portion of the raw material. Preferably, the roaster and the gas-collecting member are linked to each other. COPYRIGHT: (C)2003,JPO

5. 发明专利

JP2001129429A TREATING SYSTEM FOR VINYL CHLORIDE RESIN WASTE MATERIAL CONTAINED IN PLASTIC COATED WIRE WASTE MATERIAL 失效
公开(公告)号：JP2001129429A
公开(公告)日：2001-05-15
申请号：JP31621699
申请日：1999-11-08
申请人： JAPAN ELECTRIC CABLE TECHNOLOG
发明人： UEMATSU TADAYUKI , NISHIMURA NAOHARU
IPC分类号： B03B9/06 , B29B17/02 , B29B17/04 , C10L5/48 , H01B15/00
摘要： PROBLEM TO BE SOLVED: To provide a treating system for efficiently removing copper from a waste material in order to separate a vinyl chloride resin waste material from the waste material coating the wire of a plastic wire and to reuse the vinyl chloride resin waste material. SOLUTION: This treating system is constituted with a first stage in which a waste wire coated with plastic is ground and the waste wire is separated into copper and the waste material coated with the plastic by gravity difference, a second stage in which a coated waste material from which the copper is subjected to the primary separation is charged into a water tank to separate the vinyl chloride resin waste material from the waste material coated with the plastic, a third stage in which the copper included in the separated vinyl chloride resin waste material is separated by a vibration type wet fractionating device by gravity difference, a fourth stage in which the copper which is not still removed at the third stage is again subjected to a second step copper removing treatment by a vibrator provided with a Funus (R) motor and a fifth stage in which the material is subjected to drying treatment, and copper quantity is reduced to the copper quantity having no hindrance for reusing the vinyl chloride resin waste material.

6. 发明专利

JP2001000946A DEVICE FOR RECOVERING POLYVINYL CHLORIDE 失效
公开(公告)号：JP2001000946A
公开(公告)日：2001-01-09
申请号：JP17545799
申请日：1999-06-22
申请人： TORAY ENG CO LTD , JAPAN ELECTRIC CABLE TECHNOLOG
发明人： UEMATSU TADAYUKI , FUKUSHIMA MASATADA , YOSHII TOMOHIKO , MATSUKI YOSHIYUKI
IPC分类号： B09B3/00 , C08J11/08
摘要： PROBLEM TO BE SOLVED: To quickly dissolve polyvinyl chloride contained in waste, in a solvent, to supply the resultant solution to the post-treatment in a short cycle, and to increase throughput per hour. SOLUTION: This device is provided with a dissolution-filtration tank 1, liquid transfer device 9, a solid-liquid separator 23, an evaporation-to-dryness device 26, etc. Polyvinyl chloride contained in waste is dissolved with a solvent in a dissolution part 3, the resultant solution is filtered with a filtration means 2, and a first filtrate is stored in a storage part 4. Stirring and heating are carried out during the dissolution, and the first filtrate is circulated by the liquid transfer device 9. Subsequently, the first filtrate is fed to the solid-liquid separator 23 by the liquid transfer device 9, and the resultant second filtrate is fed to the evaporation-to-dryness device 26 to recover the polyvinyl chloride therein.

7. 发明专利

JP2003206373A METHOD FOR PRODUCING WAXY SUBSTANCE 审中-公开
公开(公告)号：JP2003206373A
公开(公告)日：2003-07-22
申请号：JP2002005877
申请日：2002-01-15
申请人： JAPAN ELECTRIC CABLE TECHNOLOG
发明人： MARUYAMA MASAHIRO , HONJO HIROMASA
IPC分类号： C08J11/12 , C08F8/50 , C10L5/48
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a waxy substance which does not cause such deterioration of the quality of a product as brought about by mixing of oxides into the product in the initial production stage in the method for producing a meltable waxy substance by heat melting and pyrolyzing a synthetic resin waste material for forming a waxy substance. SOLUTION: In the method for producing a waxy substance by heat melting and pyrolyzing a waxy substance-forming synthetic resin waste material A to form a molten waxy product C, and allowing the formed waxy melt to fall into a receiver tank 1, the inside of the above receiver tank 1 is replaced with an inert gas at the initial stage of heat melting the above waxy substance- forming synthetic resin waste material A, and the synthetic resin waste material A is melted by pyrolytic reaction, and the inside of the receiver tank is rendered in an oxygen-short state when the formed waxy melt C is allowed to fall into this receiver tank. COPYRIGHT: (C)2003,JPO

8. 发明专利

JP2001210160A DEVICE FOR RECOVERING VINYL CHLORIDE RESIN FROM VINYL CHLORINE WASTE CONTAINED IN PLASTIC COVERED WITH SCRAPS 失效
公开(公告)号：JP2001210160A
公开(公告)日：2001-08-03
申请号：JP2000018630
申请日：2000-01-27
申请人： JAPAN ELECTRIC CABLE TECHNOLOG
发明人： UEMATSU TADAYUKI , FUKUSHIMA MASATADA
IPC分类号： C08J11/08 , H01B15/00
摘要： PROBLEM TO BE SOLVED: To provide a device to remove contaminants from plastic insulation refuse of the disassembled insulated wires recovered after used, by removing hazardous foreign matters, dissolving the refuse in a solvent and evaporating the solvent for recycling. SOLUTION: The device recovering vinyl chloride resin crushes the used wires, recovers vinyl chloride waste fro the crushed pieces as required, disolves the vinyl chloride waste in a solvent removes solid contents from the solution by using a separation device, and evaporates the solvent after separating the solid contents with an evaporator the evaporator has airtight evaporation chamber, and is featured in that it is divided into plural compartments from the bottom to a certain height. Thus, the solvent disolving vinyl chloride can be efficiently evaporated.

9. 发明专利

JP2001035285A REMOVING DEVICE OF COPPER FROM WIRE COATING WASTE 失效
公开(公告)号：JP2001035285A
公开(公告)日：2001-02-09
申请号：JP20477399
申请日：1999-07-19
申请人： JAPAN ELECTRIC CABLE TECHNOLOG
发明人： UEMATSU TADAYUKI , NISHIMURA NAOHARU
IPC分类号： B03B5/04 , B29B17/02 , B29B17/04 , H01B15/00
摘要： PROBLEM TO BE SOLVED: To efficiently separate a small quantity of copper left in waste materials to recycle or dispose plastic waste, without the possibility of contaminating the soil by providing a dam, consisting of a classifying machine on the downstream side from the coating waste input port of a wet specific gravity difference classifying device. SOLUTION: A material to be classified, which is pulverized and subjected to primary removal of copper, is supplied from a feeder 2 to a vibrating trough 4 over the flow of water. Copper is separated from the material to be classified by the vibration of the trough 4. Heavy copper is made to settle and move upward along the bottom plate of the trough 4. Light plastics are floated in water and carried to the downstream side of the trough 4 by jet water flow. According to this, the material to be classified is separated into copper and plastic coating wastes. Of the coating wastes carried to the downstream side, larger ones remain in a weir 10. The stayed coating wastes are recovered, pulverized again and separated to copper and coating wastes. The coating wastes passed through the weir 10 are recovered on the downstream side and recycled as a raw material for high furnace.

10. 发明专利

JP2001031793A METHOD FOR REMOVING CHLORINE FROM COVER WASTE MATERIAL OF POLYVINYL CHLORIDE COVERED WIRE 失效
公开(公告)号：JP2001031793A
公开(公告)日：2001-02-06
申请号：JP20477299
申请日：1999-07-19
申请人： JAPAN ELECTRIC CABLE TECHNOLOG
发明人： UEMATSU TADAYUKI
IPC分类号： C08J11/12 , C08J11/16 , C10L5/48 , H01B15/00
摘要： PROBLEM TO BE SOLVED: To provide a method for removing chlorine from a wire covering waste material which efficiently removes chlorine from the waste material to reutilize the wire covering waste material of small-sized polyvinyl chloride- covered wires after use. SOLUTION: The method for removing chlorine from the wire covering wire waste material of polyvinyl chloride covered wires comprise placing chips of the wire covering waste material of polyvinyl chloride covered wires, not less than 20%, based on the chips, magnetic metallic spheres having a size comparable to the size of the chips, and not less than 10 pieces of ceramic balls having a diameter of not smaller than 20 mm in a rotary kiln type hot oven 1 having an outer cylinder 2 and an inner cylinder 3 rotatably arranged in this outer cylinder, and heating the rotating inner cylinder at temperatures of 300-500 deg.C to remove chlorine from the covered waste material of polyvinyl chloride covered wires. This method can reduce the chlorine content to such an extent that the wire covered waste material can be reutilized.

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