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81. 发明专利

JPH11263643A FLUIDIZED BED TYPE FIRING APPARATUS AND FIRING METHOD 失效
公开(公告)号：JPH11263643A
公开(公告)日：1999-09-28
申请号：JP6359798
申请日：1998-03-13
申请人： NIPPON KOKAN KK , NKK PLANT ENG CORP , YOSHIZAWA LIME INDUSTRY
发明人： ISOZAKI SHINICHI , KADOWAKI TAKUYA , OTANI TAKESHI , KATADA TOSHINOBU , TANI MITSUO , KATO YUTAKA , ITO HIROYASU
IPC分类号： B09B3/00 , C04B2/10 , C04B2/12 , F27B15/08
摘要： PROBLEM TO BE SOLVED: To provide a fluidized bed type firing apparatus for which waste plastics are usable as an inexpensive fuel, and a firing method. SOLUTION: The apparatus 1 for executing firing of raw materials by feeding the raw materials, such as limestone and dolomite, into the apparatus, fluidizing these materials by flowing air from its lower part and heating the fluidized bed is provided with a feeding port 14 for feeding the waste plastics into the fluidized bed 12. The firing method consists in using such apparatus and blowing the waste plastics of an average grain size below 20 mm into the apparatus while maintaining the temp. of the fluidized bed >=600 deg.C.

82. 发明专利

JPH11256212A METHOD FOR RECONSTRUCTING FURNACE BODY OF BLAST FURNACE 失效
公开(公告)号：JPH11256212A
公开(公告)日：1999-09-21
申请号：JP5680498
申请日：1998-03-09
申请人： NIPPON KOKAN KK , NKK PLANT ENG CORP
发明人： ODA YUJI , MURAKAMI KOICHI , KOBAYASHI MITSUO , TANAKA SHIGERU
IPC分类号： C21B7/00
摘要： PROBLEM TO BE SOLVED: To economically execute the carry-out of an iron shell at the damaged part and the carry-in of a new iron shell in a short time with a simple device without removing an existing structural device of a raw material charging device, etc., installed at the upper part of a furnace in a reconstructing method of the furnace body of a blast furnace. SOLUTION: A reinforcing ring 7 surrounding a shaft part is fitted to the shaft part of a furnace body 1 and fixed to the upper frame structure 8 of supporting columns of the furnace body through a supporting material 9. An iron shell 5, etc., in the shaft part of the furnace body to be reconstructed is carried out to the outside of the furnace from an opening part 14 at the intermediate part of the furnace body with a hoist 10 moving by using the reinforcing ring 7 as a guide. Successively, the new iron shell 5, etc., is carried in the furnace from the opening part 14 with the hoist 10 moving by using the reinforcing ring 7 as the guide.

83. 发明专利

JPH11165821A FRAME STRUCTURE FOR HIGH-RISE WAREHOUSE 失效
公开(公告)号：JPH11165821A
公开(公告)日：1999-06-22
申请号：JP33303297
申请日：1997-12-03
申请人： NKK PLANT ENG CORP
发明人： ISOGAI TAKESHI
IPC分类号： E04B1/34 , B65G1/14
摘要： PROBLEM TO BE SOLVED: To provide a frame structure for a high-rise warehouse, wherein the amount of steel material for constituting a rack support frame is small, the conditions of structure durability and strength determined by Bluilding Standard Law are satisfied, manufacturing is easy to reduce building costs and building is advantageous. SOLUTION: A rack support frame is composed of a main frame rack row provided for each of a plurality of rack rows in a ridge direction and composed of an assembling support 4 and a frame rack row composed of one support provided between the rows of the ridge direction. A main frame is constructed by attaching a rack 3 to the assembling support 4 made of two support materials 5 and a lattice material 6 for connecting the support materials, the support materials are joined to be integral, the upper end of the assembling support 4 is connected in a span direction by a roof beam or the like, the main frame and the frame are connected by a plurality of horizontal structure surfaces provided in a height direction thereof at intervals, and between the horizontal structure surfaces, a vertical brace is hung between the frames in a side which is not a route for traveling.

84. 发明专利

JPH11116726A METHOD OF PROCESSING OF WASTE POLYVINYL CHLORIDE 失效
公开(公告)号：JPH11116726A
公开(公告)日：1999-04-27
申请号：JP28845197
申请日：1997-10-21
申请人： NKK PLANT ENG CORP
发明人： ONO TOSHIYUKI , YOKOTA SHIZUO
IPC分类号： A62D3/00 , B09B3/00 , B29B17/00 , B29K105/26 , C08J11/04 , C10L5/48
摘要： PROBLEM TO BE SOLVED: To draw out and separate hydrogen chloride gas from a plastic melt at high energy efficiency with a relatively low equipment cost in melting and thermally decomposing a polyvinyl chloride to separate and remove hydrogen chloride formed from chlorine contained therein. SOLUTION: An additive kept in a solid state at 200-500 deg.C and having a certain particle size is added at 200 deg.C or lower to a waste polyvinyl chloride fed into an extruder, the temperature in the extruder is raised to melt and thermally decompose the mixture, and the decomposition gas generated from the polyvinyl chloride melt through thermal decomposition and containing hydrogen chloride is separated, thus giving a substantially chlorine-free product of thermal decomposition of a polyvinyl chloride.

85. 发明专利

JPH11106558A METHOD FOR TREATING WASTE CHLORINATED PLASTIC SUCH AS POLYVINYL CHLORIDE 失效
公开(公告)号：JPH11106558A
公开(公告)日：1999-04-20
申请号：JP26892697
申请日：1997-10-01
申请人： NKK PLANT ENG CORP
发明人： ONO TOSHIYUKI , YOKOTA SHIZUO
IPC分类号： C08J11/12 , B29B17/00 , B29B17/04 , B29K27/00 , B29K105/26
摘要： PROBLEM TO BE SOLVED: To provide a process comprising melting and heat-decomposing waste plastics containing a polyvinyl chloride resin and separating the chlorine from the polyvinyl chloride resin as hydrogen chloride, whereby the decomposition gas containing hydrogen chloride remaining in the molten plastic being a viscous fluid can be extracted and removed at good efficiency. SOLUTION: In a process for treating waste chlorinated plastics such as a polyvinyl chloride resin by melting and heat-decomposing the plastics at 200 deg.C or above and separating the decomposition gas containing hydrogen chloride from the molten plastics, the molten plastics from which the chloride has been separated is solidified by cooling, and the solidified plastics are broken to separate the decomposition gas containing the hydrogen chloride entrapped in the plastics and to obtain a substantially chlorine-free plastic solid.

86. 发明专利

JP2003146784A METHOD OF MANUFACTURING MELT SOLIDIFIED BODY 审中-公开
公开(公告)号：JP2003146784A
公开(公告)日：2003-05-21
申请号：JP2001342421
申请日：2001-11-07
申请人： NIPPON KOKAN KK , NKK PLANT ENG CORP
发明人： NAKAHARA KEISUKE , NANJO YUKIO , UYAMA KIYOSHI
IPC分类号： B09B3/00 , B09C1/06 , C02F1/58 , C02F11/10 , C05G1/00
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a melt solidified body which is hygienically excellent and is usable as a fertilizer by utilizing the ammonium magnesium phosphate formed in treating sewage and wastes of sludge, etc., as raw materials. SOLUTION: This method of manufacturing the melt solidified body has a mixing process step of using the ammonium magnesium phosphate obtained by injecting magnesium ions into the waste water produced in a treatment process step for the slurry-like sludge produced in cleaning the sewage and subjecting the waste water to crystallization and separation and the wastes containing a silicon compound as the raw materials and mixing these, a melting process step of melting the mixture formed in the mixing process step at >=1,350 deg.C in the presence of oxygen and a cooling and solidifying process step of forming the melt solidified body by cooling and solidifying the melt formed in the melting process step.

87. 发明专利

JP2003126867A BORON FIXING METHOD 审中-公开
公开(公告)号：JP2003126867A
公开(公告)日：2003-05-07
申请号：JP2001323683
申请日：2001-10-22
申请人： NKK PLANT ENG CORP
发明人： YOSHIKAWA HIROYASU , FUKUDA SHUZO , NAGATA SHINJI , KOGA MIKIKO , KANAO YOSHIYUKI , TAKAHASHI NORIMICHI
IPC分类号： C02F1/58
摘要： PROBLEM TO BE SOLVED: To reduce the discharge of boron into an environment by fixing boron into a solid. SOLUTION: Boron in a boron containing solution is fixed in a boron-fixing material by mixing the boron-fixing material and the boron-containing solution, using either of main ash, flying ash or mixture of flying ash and cement as the boron-fixing material.

88. 发明专利

JP2003119692A FILLER-ADDED PAPER AND METHOD FOR PRODUCING THE SAME 审中-公开
公开(公告)号：JP2003119692A
公开(公告)日：2003-04-23
申请号：JP2001318769
申请日：2001-10-16
申请人： OJI PAPER CO , WAVE 21 KK , NKK PLANT ENG CORP
发明人： YAMADA NOBUO , KOJIMA YOSHIKI , FUKUI TERUNOBU , TAKANISHI KEN , HANABUSA YOSHIKI
IPC分类号： D21H17/67 , D21H17/01 , D21H17/29 , D21H17/32
摘要： PROBLEM TO BE SOLVED: To provide filler-added paper which contains an inorganic substance recycled from papermaking sludge as a recycled filler, does not cause the deterioration of paper strength, and has excellent paper opacity, high whiteness, excellent abrasion resistance, and stable quality. SOLUTION: This filler-added paper is characterized by containing a cationic polymer and 1 to 30 wt.% of the recycled filler which has a median diameter of 0.5 to 5 μm and is obtained by carbonizing a mixture of an organic substance with white inorganic particles in the presence of an oxygen-containing gas in a poor oxygen condition at a temperature of

89. 发明专利

JP2002308446A POWDER AND GRANULAR MATERIAL SUPPLY DEVICE 失效
公开(公告)号：JP2002308446A
公开(公告)日：2002-10-23
申请号：JP2001114838
申请日：2001-04-13
申请人： NIPPON KOKAN KK , NKK PLANT ENG CORP
发明人： KUMAGAI SHINOBU , ISOZAKI SHINICHI , KOHAMA YUTAKA , MOCHIZUKI MINEO
IPC分类号： B65G53/46 , B65G53/66 , B65G65/48
摘要： PROBLEM TO BE SOLVED: To provide a powder and granular material supply device capable of supplying powder and granular material quantitatively and stably to a conveyor pipe. SOLUTION: This device is provided with storage containers 3a and 3b for storing powder and granular material, mechanical quantifying devices 5a and 5b for quantifying the powder and granular material in the storage containers 3a and 3b, a gas injection means for injecting gas for supplying the quantified powder and granular material to an exhaust port and a conveyor pipe 11 which is connected to the exhaust port and conveys the powder and granular material. In addition, this device is provided with pressurized gas lines 4a and 4b for supplying pressurized gas to the storing containers 3a and 3b, injection gas supply lines 12a and 12b for supplying gas to gas injection means and connection lines 16a and 16b connected to these gas lines 4a and 4b and gas supply lines 12a and 12b to make it possible to blow gas from the gas injection means while the storing containers 3a and 3b are pressurized.

90. 发明专利

JP2002226043A PNEUMATIC TRANSPORTATION METHOD AND DEVICE FOR GRANULAR AND POWDERY MATERIAL 失效
公开(公告)号：JP2002226043A
公开(公告)日：2002-08-14
申请号：JP2001018574
申请日：2001-01-26
申请人： NIPPON KOKAN KK , NKK PLANT ENG CORP
发明人： ISOZAKI SHINICHI , KANAMORI KAZUO , KUMAGAI SHINOBU , KOHAMA YUTAKA , MOCHIZUKI MINEO
IPC分类号： B65G53/66 , F23K3/02
摘要： PROBLEM TO BE SOLVED: To provide an pneumatic transportation method and device for a granular and powdery material capable of surely detecting blocking up of a carriage route. SOLUTION: In this pneumatic transportation method for the granular and powdery material wherein the granular and powdery material is carried by an air current from an upper stream side to a lower stream side and blocking of the carriage route is detected, a microwave is radiated to the granular and powdery material to be carried by the air current and the carriage route is determined to be blocked up when a reflected wave from the granular and powdery material shows same frequency with the radiated microwave.

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