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51. 发明专利

JPH0316690A METHOD OF PURIFYING WASTE WATER OR LIQUID 失效
公开(公告)号：JPH0316690A
公开(公告)日：1991-01-24
申请号：JP14845389
申请日：1989-06-13
申请人： MITSUI MIIKE KAKOKI KK
发明人： TAKEDA YUKIO , MORIYA SHOICHIRO
IPC分类号： C02F1/44 , C02F1/38
摘要： PURPOSE:To prolong the cleaning time cycle of a reverse osmotic membrane to a long period of time, to physically purify waste water or liq. in a small space and to discharge high quality purified water by circulating the waste water or liq. to be treated between a high-pressure relay vessel and the concentration chamber of an apparatus provided with the reverse osmotic membrane and by discharging purified water from the filtration and discharge chamber of the apparatus. CONSTITUTION:Waste water or liq. to be treated is successively fed into centrifugal separators 6, 12 to separate and remove solid matter in the water or liq. The water or liq. discharged from the separator 6, 12 is fed into a high-pressure relay vessel 23 and circulated between the vessel 23 and the concentration chamber 27 of an apparatus 26 provided with a reverse osmotic membrane. Purified water is discharged from the filtration and discharge chamber 39 of the apparatus 26.

52. 发明专利

JPH0220289B2 失效
公开(公告)号：JPH0220289B2
公开(公告)日：1990-05-08
申请号：JP5854885
申请日：1985-03-25
申请人： MITSUI KOZAN KK , MITSUI MIIKE KAKOKI KK
发明人： FURUYAMA KUNINORI
IPC分类号： B01D53/50 , B01D46/34 , B01D53/08 , B01D53/56 , B01D53/60 , B01D53/74 , B01D53/81 , B01J8/12

53. 发明专利

JPH029495A SUSPENSION TYPE ACTIVATED SLUDGE TREATING EQUIPMENT 失效
公开(公告)号：JPH029495A
公开(公告)日：1990-01-12
申请号：JP15803788
申请日：1988-06-28
申请人： MITSUI MIIKE KAKOKI KK
发明人： YAMAMOTO TATSURO
IPC分类号： C02F3/00 , C02F3/12 , C02F3/30
摘要： PURPOSE:To prevent the propagation of mold microorganisms by providing a baffle plate between the upstream-side flow port of an anaerobic small chamber and the downstream-side outflow port thereof. CONSTITUTION:Raw water fed into a first aeration tank 1 through a raw water feed pipe 40 is mixed with activated sludge by aeration and the greater part of BOD in raw water is removed and also DO is maintained. Sludge-contg. water little in a substrate existing in the downstream side of the tank 1 is allowed to flow to the upstream side of an anearobic small chamber 2 through an upstream-side flow port 3 and falls down along a baffle plate 11 at low velocity and thereafter is passed through the lower end of the baffle plate 11 and raised at low velocity toward a downstream-side outflow port 5. Therefor generation of a short circuit flow between the flow port 3 and the outflow port 5 is prevented and the activated sludge in the small chamber 2 is efficiently settled and concentrated in the small chamber 2 having small volume. Further since only circulation of a small amount of sludge is performed by air lift due to an air lift pipeline 9 in the small chamber 2, mold microorganisms are suppressed from being adsorbed on the substrate and mold microorganisms are not propagated and are autolyzed.

54. 发明专利

JPH01236999A PRESSURIZED BIOLOGICAL REACTION TANK 失效
公开(公告)号：JPH01236999A
公开(公告)日：1989-09-21
申请号：JP6197988
申请日：1988-03-17
申请人： MITSUI MIIKE KAKOKI KK
发明人： TAKAMATSU EI , SUZUKI NOBUHIRO , HISAYOSHI YOSHINORI , TAKEDA YUKIO , YAMANAKA JUNICHI
IPC分类号： C02F3/30 , C02F3/34
摘要： PURPOSE:To permit both aerobic and anaerobic reaction in a single pressurized reaction tank, by providing the pressurized reaction tank with aerobic and anaerobic parts defined by a separating plate with a passage communicating with each other. CONSTITUTION:The air is supplied from an enzyme-containing gas inlet pipe 6 of a pressurized biological reaction tank to a draft tube 13 of an aerobic part 4, the liquid to be treated consisting of a microorganism-containing liquid is supplied from an inflowing pipe 9 to this tube 13 for agitation and aeration by an agitator 16 in the draft tube 13 and such liquid is thereafter overflowed from the top of the tube 13 to the exterior aerobic part 4 so as to undergo an aerobic reaction. A reaction liquid s then supplied from this aerobic part 4 to an anaerobic part 5 through a passage 2 in communication with each other and brought into contact with the liquid to be treated supplied from an inflowing pipe 10 into this anaerobic part 5 for mixing therewith so as to undergo an anaerobic reaction. After the completion of this anaerobic reaction, the liquid is discharged from a treated liquid outlet opening 11 through an outflowing pipe 17.

55. 发明专利

JPH01150608A DRY-TYPE PURIFICATION DEVICE FOR HOPPER-LIKE CONTAINER 失效
公开(公告)号：JPH01150608A
公开(公告)日：1989-06-13
申请号：JP30705987
申请日：1987-12-04
申请人： TSUMURA & CO , MITSUI MIIKE KAKOKI KK
发明人： NISHIMURA MASAHIRO , OKITA YUKITO , OKANO NOBUTAKA
IPC分类号： B65G3/04 , B65G65/30
摘要： PURPOSE:To improve a purifying effect by projecting partition walls on an inner cover similar to the inner surface of a container to form partitioned voids in a space with the inner surface of the container, and jetting air controlled for each division in the above device for granular powder. CONSTITUTION:Partition walls 6 are projected on an inner cover 2 similar to the inner surface of a container main body 1a, whereby when the inner cover 2 is inserted in a container 1, a fixed space is kept between the inner surface of the container main body 1a and the inner cover and the space is partitioned into plural divisions by partition walls 6. In each division, air is sent from a blower 16 through a valve 18 and a connection port 8 to air sending compartments 7, and the air is let come out of an air suction port 9 into the space division with the inner surface of the container main body 1a. The purified air is discharged from an outlet. A cover is washed on a cover receiving tray 35 by air injection. Thus, a purifying effect can be improved without the need of increasing the size of the device.

56. 发明专利

JPS6458339A COOLING DRUM FLAKING APPARATUS 失效
公开(公告)号：JPS6458339A
公开(公告)日：1989-03-06
申请号：JP21718787
申请日：1987-08-31
申请人： MITSUI MIIKE KAKOKI KK
发明人： TOMIYAMA NOBUYUKI
IPC分类号： B01J2/24
摘要： PURPOSE:To enhance cooling efficiency by winding an endless belt tightly to part of the outer periphery of a cooling drum, feeding a molten material between the outer periphery of the cooling drum and the endless belt and spreading the same in the form of a film. CONSTITUTION:A cooling drum 1 cooled by flowing through cooling fluid is retained horizontally and revolved. An endless belt 5 is brought in contact with part of the outer periphery of said cooling drum 1 from the outside in a manner to wind around. Said endless belt 5 is in a tight condition by a tension device 7 all the time. A molten material A such as a powdery coating material, a toner, food etc., is fed to the cooling drum 1 and the molten material A is compressively pressed between the cooling drum 1 and the endless belt 5, cooled and turned into a flake. As a result, cooling efficiency is enhanced and a device can be installed in a narrow, limited space. Further, the thickness of the flake or the like can easily be adjusted.

57. 发明专利

JPS6438115A FILTER MEDIUM CHARGING AND RECOVERY TYPE FILTER DEVICE FOR WATER PASSAGE 失效
公开(公告)号：JPS6438115A
公开(公告)日：1989-02-08
申请号：JP19364287
申请日：1987-08-04
申请人： FUKUDA YUJI , TAKAHASHI AKIRA , TADA MINORU , HAMA TAKESHI , MITSUI MIIKE KAKOKI KK
发明人： FUKUDA YUJI , TAKAHASHI AKIRA , TADA MINORU , HAMA TAKESHI , KONDO YOSHINOBU , TAKEDA YUKIO , SATO TAKEO
IPC分类号： B01D33/29 , B01D33/00 , B01D33/333 , E02B5/08
摘要： PURPOSE:To efficiently filtrate a large amount of water containing suspended matter at low cost by using the filter layer consisting of a large number of crimped fiber lumps for filtration and circulating the fiber lumps to reutilize. CONSTITUTION:When a filter medium drawing-up conveyer 4 is driven to be circulated to the direction shown by arrow C, the crimped fiber lumps 7 for filtration on the side of the conveyer 4 in the filter layer 8 are drawn up by filter medium drawing-up plates 2, and are supplied to a 1st belt conveyer 33 and a 2nd belt conveyer 34, and are washed by the water injected from water injection nozzles 9. Then the fiber lumps 7 are supplied to a 3rd belt conveyer 35, and are continuously thrown in the upstream side of the filter layer 8 in the water passage 5. The water to be filtered in the upstream side of the filter layer 8 is cleaned by the curled shrinkage filter lumps 7 when the water flows through the filter layer 8.

58. 发明专利

JPS63277502A METHOD FOR RECOVERING SULFUR IN SO2-CONTAINING GAS 失效
公开(公告)号：JPS63277502A
公开(公告)日：1988-11-15
申请号：JP5677187
申请日：1987-03-13
申请人： MITSUI MIIKE KAKOKI KK
发明人： OKAMURA MORIHITO , CHIYAWANTANI SUSUMU , MATSUNAGA OSAMU
IPC分类号： B01D53/50 , B01D53/81 , C01B17/04
摘要： PURPOSE:To make it possible to prevent leakage of toxic gases from a reduction reactor, by providing a blower just before a Claus apparatus in reducing an SO2-containing gas, removing dust.cooling the gas and recovering S in the Claus apparatus. CONSTITUTION:Sn SO2-containing gas in a high concentration is introduced from an introduction port 1 into a reduction reactor 2 and sucked by a blower 4 while keeping the operating pressure of the reduction reactor 2 at about atmospheric pressure. Pressure control of the reduction reactor 2 is carried out by detecting pressure by a pressure sensor 7 near the inlet side and using a regulating valve 5 on the discharge side of the blower 4. Discharged gases from the reduction reactor 2 are subjected to adjustment of composition, treated in a dust removing.cooling device 3, sucked and boosted by the blower 4 to recover S by a Claus apparatus 6. The pressure control can be carried out without trouble in operation by simple constitution. Since the operating pressure of the reduction reactor 2 is not high, leakage of toxic gases, such as H2S or SO2, therefrom will not occur.

59. 发明专利

JPS63225504A SULFUR SCRUBBER TYPE COOLING AND DEDUSTING METHOD 失效
公开(公告)号：JPS63225504A
公开(公告)日：1988-09-20
申请号：JP5677087
申请日：1987-03-13
申请人： MITSUI MIIKE KAKOKI KK
发明人： OKAMURA MORIHITO , MATSUNAGA OSAMU , NAGAOKA OSAMU , CHIYAWANDANI SUSUMU
IPC分类号： C01B17/56 , B01D47/00 , B01D53/34 , B01D53/50 , B01D53/81
摘要： PURPOSE:To prevent any trouble due to the dust by directly lapping S recovered from a gas of high SO2 content into a gas contg. S compds. to cool the S and to efficiently remove the carbonaceous dust in the gas. CONSTITUTION:The elementary sulfur droplets recovered from the gas of high SO2 content are sprayed into the cooling zone 9 of a cooling and dedusting tower 8 from a spray nozzle 19, brought into contact with the gas contg. S compds. at the liq.-to-gas ratio of 8-33l/m , cooled to 140-160 deg.C, and then introduced into a dedusting zone 11. The gas is then brought into contact with the sulfur droplets, which have been cooled in a heat exhanger 12 and sprayed through a pump 6 and spray nozzles 7 and 10, at the liq.-to-gas ratio of 2-8l/m to remove the dust consisting essentially of carbonaceous matter in the gas. The refined gas is sent to a Claus device as the refined gas.

60. 发明专利

JPS6342730A GRANULATOR 失效
公开(公告)号：JPS6342730A
公开(公告)日：1988-02-23
申请号：JP18466586
申请日：1986-08-06
申请人： MITSUI MIIKE KAKOKI KK
发明人： YAMASHITA TADAHIRO , ISHIKAWA TAKESHI
IPC分类号： B01J2/10 , B29B9/08
摘要： PURPOSE:To eliminate stagnation and sticking on a side surface and to obtain homogeneous agitation by rotating an upper blade and a lower blade of plural agitation blades provided to the lower part of a tank in the same direction, and by rotating the lower blade with slower speed than that of the upper blade. CONSTITUTION:A weighed amount of binder is charged into a supply tank 19 by opening a solenoid valve 21, and then a solenoid valve 23 is opened to pressurize the supply tank 19, and a solenoid valve 24 and a change-over valve 25 are opened to send the pressurized binder to a piping 17. And the binder is sprayed from a spray nozzle 16 over the material to be treated in the tank 1. Meanwhile, the lower blade 11 rotated at slow speed pushes the material to be treated upward and at the same time moves the material in the vicinity of the side wall of the tank 1 so as not to stagnate and stick to this part. On the other hand, the upper blade 12 is rotated with high speed, and gives shearing force to the material which is repeatedly cohered and destroyed, and then gradually arranged in size to be granulated.

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