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41. 发明专利

JPS5384873A REDUCING METHOD FOR ABSORBING LIQUID CONTAINING METAL COMPLEX AT WET DENITRATION PROCESS 失效
公开(公告)号：JPS5384873A
公开(公告)日：1978-07-26
申请号：JP6177
申请日：1977-01-05
申请人： HITACHI LTD , BABCOCK HITACHI KK
发明人： KAJI RIYUUICHI , AKIMOTO HIDETOSHI , HISHINUMA TAKAO , TAKAHASHI SADAO , ARIKAWA KIJIROU
IPC分类号： B01D53/14 , B01D53/34 , B01D53/56 , B01D53/77
摘要： PURPOSE:To prevent effectively the deterioration of the metal complex due to the oxidation by the oxidixing substance such as O2, etc. contained in the exhaust gas, by contacting the metal complex in the oxidizing state generated in the absorbing liquid ofr denitration with SO2 at pH below 3 in the presence of active carbon.

42. 发明专利

JPS52116775A DECREASING NITROGEN OXIDES IN COMBUSTION EXHAUST GAS 失效
公开(公告)号：JPS52116775A
公开(公告)日：1977-09-30
申请号：JP3262076
申请日：1976-03-26
申请人： HITACHI LTD
发明人： AZUKIBATA SHIGERU , KAJI RIYUUICHI , AKIMOTO HIDETOSHI , HISHINUMA TAKAO , OOTSUKA KIYOTAKA , ARIKAWA KIJIROU
IPC分类号： B01D53/56 , B01D53/34 , C01B21/02
摘要： PURPOSE:To reduce NOx in gas phase in a wide temperature range by use of amines, imines, or amides as reducing agents.

43. 发明专利

JPS5290475A TREATMENT OF NITROGEN OXIDES AND SULFUR OXIDES IN EXHAUST GASES 失效
公开(公告)号：JPS5290475A
公开(公告)日：1977-07-29
申请号：JP665976
申请日：1976-01-26
申请人： HITACHI LTD , BABCOCK HITACHI KK
发明人： HISHINUMA TAKAO , AKIMOTO HIDETOSHI , KAJI RIYUUICHI , ARIKAWA KIJIROU
IPC分类号： B01D53/60 , B01D53/77 , C01C1/245 , C01C1/246 , C01F11/46
摘要： PURPOSE:To provide a method for treating simultaneously NOx AND SOx in exhaust gas which can be performed in a closed state without discharging harmful materials from the system to the outside by recovering NOx as ammonium sulfate and SOx as gypsum and a part of ammonium sulfate.

44. 发明专利

JPS5159766A Anmoniasetsushokukangendatsushohaigasukara so3 ojokyosuru hoho 失效
公开(公告)号：JPS5159766A
公开(公告)日：1976-05-25
申请号：JP13358674
申请日：1974-11-22
申请人： Hitachi Ltd , Babcock Hitachi Kk
发明人： AKIMOTO HIDETOSHI , HISHINUMA TAKAO , KAJI RYUICHI
IPC分类号： B01D53/94 , B01D53/34 , B01D53/60 , B01D53/74
CPC分类号： Y02A50/2348

45. 发明专利

JPS6178424A Apparatus for removing nitrogen oxide in exhaust gas 失效
标题翻译：在排气中去除氮氧化物的装置
公开(公告)号：JPS6178424A
公开(公告)日：1986-04-22
申请号：JP9284285
申请日：1985-04-30
申请人： Babcock Hitachi Kk , Hitachi Ltd
发明人： ARASHI NORIO , HISHINUMA TAKAO , AKIMOTO HIDETOSHI
IPC分类号： B01D53/94 , B01J8/24 , B01J8/28 , F01N3/08 , F23J15/00
摘要： PURPOSE: To enhance reaction efficiency and to attain cost reduction, by arranging a catalytic reactor in a flue in a state divided so as to parallelly flow exhaust gas and injecting NH
3 in the flue from plural places in the upstream side of said reactor.
CONSTITUTION: Combustion exhaust gas heats the water pipe around the firing furnace 7 of a boiler and reaches an economizer 9 also used as a reactor through a flue 4 to be parallelly flowed into a denitration reactor 5 comprising a fluidized catalyst bed 6 where NOx is reduced. NH
3 is injected from an injection nozzle 16 but, because directly enters the fluidized catalyst bed after mixing, the mixing of exhaust gas and NH
3 is well performed. An ecomonizer heat transfer pipe 8 is arranged in the fluidized catalyst bed and uniformly heats said catalyst bed from the outside. A catalyst is supplied from a supply hopper 10 and taken out from a discharge pipe 13 while purified gas is exhausted from an outlet 17.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：为了提高反应效率并降低成本，通过将烟道中的催化反应器设置在分开的状态下，并排排出废气，并在烟道中从多个位置在反应器的上游侧注入NH 3。构成：燃烧废气加热锅炉的燃烧炉7周围的水管，并到达还经由烟道4用作反应器的节约器9，并行流入包括流化催化剂床6的脱硝反应器5，其中NOx被还原。 NH 3从注射嘴16注入，但由于在混合后直接进入流化催化剂床，所以排气和NH 3的混合很好地进行。在流化催化剂床中配置有透气导热管8，从外部均匀加热催化剂床。从供给料斗10供给催化剂，从排出管13取出，同时净化气体从出口17排出。

46. 发明专利

JPS5857214B2 JPS5857214B2 - 失效
公开(公告)号：JPS5857214B2
公开(公告)日：1983-12-19
申请号：JP11264777
申请日：1977-09-21
申请人： Hitachi Ltd
发明人： AZUHATA SHIGERU , TAKI TOMOYUKI , TAKAHASHI SADAO , AKIMOTO HIDETOSHI , HISHINUMA TAKAO , UCHAMA YOSHIHIRO , OOSHIMA RYOICHIRO
IPC分类号： B01D53/56 , B01D53/34 , B01J12/00 , C01B21/02

47. 发明专利

JPS58149995A FROTH-FLOTATION DEASHING OF COAL 失效
公开(公告)号：JPS58149995A
公开(公告)日：1983-09-06
申请号：JP3242182
申请日：1982-03-03
申请人： HITACHI LTD , BABCOCK HITACHI KK
发明人： MURANAKA TADASHI , KAJI RIYUUICHI , KIKUCHI HIDEO , AKIMOTO HIDETOSHI , OOTSUKA KEIZOU
IPC分类号： C10L1/32 , C10L9/00
摘要： PURPOSE:To increase deashing and deashed coal recovery rates by controlling the bubble size of oil vapor froth within a specified range by adjusting the amt. of an added frother, peripheral speed of an atomizer, etc. in deashing coal by oil vapor flotation. CONSTITUTION:Oil 7 having affininty to carbonaceous matter in coal is pumped to an evaparator 9 by a pump 8 and the produced oil vapor is supplied to the bottom of a deashing column 1 by a compressor 6. the oil vapor is disintegrated into minute bubble by an atomizer 4 and is raised through a slurry 2 consisting of crushed coal, water and a frother to entrain and float the carbonaceous matter in the coal, which is recovered as deashed coal from the top of the column 1. At that time, the deashing and deashed coal recovery rates are increased by controlling the amt. of the added frother and peripheral speed of the atomizer atomizing the vapor so as to form a 0.4-0.8mm. diameter bubble.

48. 发明专利

JPS5818013A COMBUSTION METHOD OF COAL-WATER SLURRY FUEL 失效
公开(公告)号：JPS5818013A
公开(公告)日：1983-02-02
申请号：JP11641581
申请日：1981-07-27
申请人： HITACHI LTD , BABCOCK HITACHI KK
发明人： KAJI RIYUUICHI , HISHINUMA TAKAO , NAKAJIMA FUMITO , MURANAKA TADASHI , AKIMOTO HIDETOSHI
IPC分类号： F23B99/00 , F23K1/04
摘要： PURPOSE:To improve thermal efficiency and combustion efficiency, by eliminating a heat loss resulting from water content, in a combustion method of coal- water slurry fuel. CONSTITUTION:Coal-water slurry fuel kept in a tank 2 is sprayed on a spray dryer 5 from a nozzle 4 through a pump 3. The coal is dried by exhaust gas led from a boiler 1 and sent to a cyclone scrubber 6. The collected coal is carried to the boiler 1 by means of air current transportation through compressed air from a blower 7 for combustion. Combustibility of the coal collected at the scrubber 6 is improved further if it is sent by the air current transportation after it is atomized by a crusher.

49. 发明专利

JPS57174394A COAL SLURRY COMPOSITION 失效
公开(公告)号：JPS57174394A
公开(公告)日：1982-10-27
申请号：JP5984281
申请日：1981-04-22
申请人： HITACHI LTD , BABCOCK HITACHI KK
发明人： AKIMOTO HIDETOSHI , MURANAKA TADASHI , KOMURO TAKEO , KAJI RIYUUICHI , HISHINUMA TAKAO , NAKASHIMA FUMITO
IPC分类号： C10L1/32 , C10L5/00
摘要： PURPOSE:A coal slurry composition of low water content easily transportable and suitable as a fuel, which is prepd. by adding an unburned carbon particle formed by the combustion of a carbonaceous material to a slurry consisting of crushed coal and water. CONSTITUTION:A fine unburned carbon particle formed by the combustion of a carbonaceous material is added to a slurry consisting of crushed coal and water. The fine particle used is carbonaceous and is not only effective for slurrying coal in high concn. but also harmless for the combustion of the slurry because it is combustible. The fine particle is, e.g., unburned carbon formed by the combustion of a hydrocarbon such as fuel oil, naphtha, diesel oil or gasoline. For example, an unburned carbon particle formed by the combustion of fuel oil has prticle size

50. 发明专利

JPS5715821A REGENERATING METHOD FOR CARBONACEOUS ADSORBENT AND WASTE GAS DESULFURIZING METHOD UTILIZING SAID METHOD 失效
公开(公告)号：JPS5715821A
公开(公告)日：1982-01-27
申请号：JP8913780
申请日：1980-07-02
申请人： HITACHI LTD , BABCOCK HITACHI KK
发明人： GOMI KENICHI , KOMURO TAKEO , AKIMOTO HIDETOSHI , ARASHI NORIO , HISHINUMA TAKAO , NAKASHIMA FUMITO , KANDA OSAMU
IPC分类号： B01D53/50 , B01D53/34 , B01D53/81 , C01B17/04
摘要： PURPOSE:To recover SO2 as simple substance S by adsorbing SO2 in the waste combustion gas in carbonaceous adsorbents in the form of a sulfuric acid, decomposing part thereof to SO2 and H2O and further to H2S then allowing the same to contact the adsorbents. CONSTITUTION:The waste gas produced in a coal firing boiler 4 is put into an adsorption tower 8, where the SO2 contained therein is adsorbed in the form of H2SO4 by adsorbents of ground carbon. The adsorbents are fed dividedly to an H2S reaction tower 16 and an desorption tower 22. In the tower 22, the adsorbents are heated to about 350-450 deg.C, and H2SO4 is decomposed to concd. gaseous SO2 which is fed to a reduction tower 30 where it is reduced by the carbon materials therein and forms simple substance S. The S is condensed in an S condenser 38. The remaining gas contains H2S and is fed to an H2S reaction tower 16 where it contacts the adsorbents adsorbed with H2SO4, thereby forming simple substance S. The adsorbents stuck with the S is fed to the tower 22 where it is heated to about 350- 450 deg.C and S changes to a gaseous state. This S is fed to the tower 30 by which it is recovered.

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