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61. 发明专利

JPH0623477A METHOD AND DEVICE TREATING MATERIAL SUCH AS FINELY FLOWABLE DUST 失效
公开(公告)号：JPH0623477A
公开(公告)日：1994-02-01
申请号：JP916192
申请日：1992-01-22
申请人： ARUPU KLINE GMBH & CO KG
发明人： HANSUUYOAHIMU SHIEERU
IPC分类号： B22C5/00 , F23C10/12 , F23G5/30 , F23L15/04
摘要： PURPOSE: To enable the perfect treatment of various kinds of dust materials which are capable of making trickle flow by introducing the power into a fluidizable heat medium made of refractory material and heating the dust then burning the same. CONSTITUTION: A heating rod 36 is heated to drastically decrease a fluidizable air stream during the start-up of equipment. As a result, the heat medium 34 heated in a lower region and the heated air transmit temperature to the entire part of the material bed formed of the heat medium 34 until the entire part of the materiel bed attains the desired temperature by a fluidization effect and the resultant circulation motion. The dust which is ought to be made inert and is charged together with organic substances is then heated within a heat source 34. The heat medium 34 moving toward clockwise by the air stream from a transverse direction air nozzle 47 applies the heat thereof to the dust. When the dust attains an ignition temperature, the dust burns and the energy generated by the combustion of the dust is returned to the heat medium 34 particularly in the heated region of the bulk material bed of the heat medium, i.e., an upper region.

62. 发明专利

JPH0561016B2 失效
公开(公告)号：JPH0561016B2
公开(公告)日：1993-09-03
申请号：JP19789085
申请日：1985-09-07
申请人： TOYOTA MOTOR CO LTD
发明人： FURUI JUSUKE , ENDO MASANARI
IPC分类号： B22C5/00

63. 实用新型

JPH0530828Y2 失效
公开(公告)号：JPH0530828Y2
公开(公告)日：1993-08-06
申请号：JP1902590
申请日：1990-02-26
IPC分类号： B22C5/00 , B22C5/04

64. 实用新型

JPH0530827Y2 失效
公开(公告)号：JPH0530827Y2
公开(公告)日：1993-08-06
申请号：JP19215785
申请日：1985-12-16
IPC分类号： B22C5/00

65. 发明专利

JPH05169187A METHOD FOR TREATING MOLDING SAND 失效
公开(公告)号：JPH05169187A
公开(公告)日：1993-07-09
申请号：JP35489391
申请日：1991-12-21
申请人： ISUZU MOTORS LTD
发明人： KANEKO KEIICHI , HORI TETSUO , NAGAMATSU TOMOMI
IPC分类号： B22C5/00
摘要： PURPOSE:To provide a molding sand treating method, which can correspond to the various kinds of sands having different composition recovered from a molding line and obtains unformized sand without distribution in the sand quality. CONSTITUTION:Since a first sand near a casting product in a master mold changes the composition by burning, after the removal of the foreign matter and a cooling process 83 of the sand are completed, by applying kneading 84 to be the first adding process of clay, moisture, etc., the quality is stabilized in some extent. Thereafter, the treated sand is joined into a second sand treating line X which is not affected from a casting product and for which the change of the composition is not generated and by applying the main kneading in the first kneading process 74 to the second sand, the stabilization of the quality of the first sand is surely attained together with the second sand. Further, a bypass line Z from a molding line is joined at the most upstream side of a treating line Y, and by introducing the shake-out of the sand in the next day generated on the operation of the treating line into the treating line Y, the stabilization of the quality to a third sand is surely attained.

66. 发明专利

JPH05161939A MANUFACTURE OF GREEN SAND FOR CORE 失效
公开(公告)号：JPH05161939A
公开(公告)日：1993-06-29
申请号：JP35101491
申请日：1991-12-11
申请人： ASAHI TEC CORP
发明人： HACHIMAN KATSUMI
IPC分类号： B22C5/04 , B22C1/20 , B22C5/00
摘要： PURPOSE:To facititate manufacture of a core having the desirable strength, etc., by using green sand. CONSTITUTION:The green sand for core is manufactured by adding and mixing water and sorbitol with casting sand obtd. by separating a cast product. The core is manufactured by the green sand and even in the case of casting by using the core, the defective ratio of the cast products caused by the cores is low and the green sand is suitable for the core.

67. 发明专利

JPH05501522A 失效
公开(公告)号：JPH05501522A
公开(公告)日：1993-03-25
申请号：JP50026790
申请日：1990-11-23
IPC分类号： B22C5/00 , B22C5/08
摘要： PCT No. PCT/IT90/00096 Sec. 371 Date May 28, 1992 Sec. 102(e) Date May 28, 1992 PCT Filed Nov. 23, 1990 PCT Pub. No. WO91/08068 PCT Pub. Date Jun. 13, 1991.The method permits recovery of spent foundry sand for reuse by eliminating, by combustion, the organic and carbon substances with which the spent sand is impregnated; spent sand, after grinding to a uniform grain size, is placed into a cylindrical container (2) inclined with respect to the vertical and rotated slowly (4-6 revolutions per minute); then, a stream of oxygen is blown into the base of the container through a distributor (5) which uniformly distributes it into the spent sand mass (20), and local combustion is initiated on the surface of the sand mass, at the top of container, by a burner (31); finally the burner is extinguished whilst the delivery of the oxygen stream is maintained and the combustion proceeds and feeds itself by the effect of a progressive descent of the flame front (30) towards the base of the container until complete destruction of the organic and carbon substances contained in the sand has taken place.

68. 实用新型

JPH04134238U 失效
公开(公告)号：JPH04134238U
公开(公告)日：1992-12-14
申请号：JP4210391
申请日：1991-06-05
IPC分类号： B22C5/00 , B22C5/04

69. 发明专利

JPH0413438A METHOD AND SYSTEM FOR REGENERATING USED SAND AT FOUNDRY 失效
公开(公告)号：JPH0413438A
公开(公告)日：1992-01-17
申请号：JP10996390
申请日：1990-04-25
申请人： FUSESO N ISUSUREDO I RITEINOBO
发明人： ANATORII AREKUSANDOROUITSUCHI , URAJIMIIRU NIKORAEUITSUCHI SUK , BIKUTORU AREKUSEEEUITSUCHI SAF , IGOORU NIKORAEUITSUCHI KUNORUR , YURII BORISOUITSUCHI TABAKU , NIKORAI IWANOUITSUCHI BEFU , FUYACHIESURAFU PIYOOTOROUITSUC , SERUGEI NIKORAEUITSUCHI ZAYAKI , FUANISU BARIEUITSUCHI HARUFUIN , YURII FUADEEEUITSUCHI MIRONOFU , EFUSEI BORISOUITSUCHI KURAKOFU , AREKUSANDORU BIKUTOROUITSUCHI , IGOORU MIHAIROUITSUCHI SHISHIK , EFUIMU IZURAIREUITSUCHI FUISHI , IGOORU SERUGEEEUITSUCHI GAN , INOKENTEII AREKUSANDOROUITSUCH
IPC分类号： B22C5/00 , B22C5/13 , B22C5/18
摘要： PURPOSE: To make it possible to obtain high-quality molding sand by heat treating used sand at a specific temp. and subjecting the used sand to classifying and mechanical treatment of sand grain surfaces in plural cycles at a specific sand grain moving speed. CONSTITUTION: The used casting sand is magnetically separated by a magnetic separating machine 4 and is disintegrated. The sand is then sieved by a sieve 5 and the surfaces of the sand grains are mechanically treated. The casting sand is heat-treated, classified and cooled at a device 26. The heat treatment is, thereupon, executed at 310 to 900 deg.C. The classification and the mechanical treatment of the sand grain surfaces are executed in the plural cycles at the sand grain moving speed of 5 to 50 m/sec at the time of the mechanical treatment. At least one of the cycles is executed at the sand grain moving speed of 5 to 7 m/sec in an aq. medium. As a result, the consumption of the fresh sand, bentonite and coal may be reduced.

70. 发明专利

JPH0338014B2 失效
公开(公告)号：JPH0338014B2
公开(公告)日：1991-06-07
申请号：JP8778983
申请日：1983-05-20
申请人： FUBERUTO AIRITSUHI , PAURU AIRITSUHI , BARUTAA AIRITSUHI
发明人： DEIITAA ESU REIDERU , FUBERUTO AIRITSUHI , PAURU AIRITSUHI , BARUTAA AIRITSUHI
IPC分类号： B22C5/00 , B22C5/02 , B22C5/04 , B22C5/06 , B22C5/08

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