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公开(公告)号：US4042352A
公开(公告)日：1977-08-16
申请号：US679447
申请日：1976-04-22
摘要： A method for the removal of the dusts from combustion exhaust gases, particularly those of heavy oils, by using a fixed packed bed without a remarkable increase in the pressure loss at the fixed packed bed, which is characterized in that the filler filled in the fixed packed bed is a spherical, cylindrical or annular filler containing pores having a pore diameter which ranges from 100 to 70,000 A and a pore volume of not less than 0.1 cm.sup.3 /g, at least 20% of the pores have a pore diameter of not less than 1,000 A, and the filler having a diameter of 1 to 15mm at a minimum.
摘要翻译： 一种用于通过使用固定填充床从燃烧废气，特别是重油排出灰尘的方法，而不会显着增加固定填充床的压力损失，其特征在于填充在固定填充床中的填料 填充床是一种球形，圆柱形或环形填料，其包含孔径为100至70,000A，孔体积不小于0.1cm 3 / g的孔，至少20％的孔具有不小于 1000A以下，填充物的直径为1〜15mm。
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公开(公告)号：US4026992A
公开(公告)日：1977-05-31
申请号：US627762
申请日：1975-10-31
申请人： Shujiro Shiga , Takeshi Katsumata , Eiji Inaba , Yasushi Okamoto , Atsushi Inmaru , Tsugio Nishioka , Takashi Nakata , Seiji Takaki
发明人： Shujiro Shiga , Takeshi Katsumata , Eiji Inaba , Yasushi Okamoto , Atsushi Inmaru , Tsugio Nishioka , Takashi Nakata , Seiji Takaki
CPC分类号： B01D53/9409 , B01D53/60 , B03C3/017
摘要： A method for removing nitrogen oxides from combustion exhaust gases obtained after removing sulfur oxides by a wet process, which is characterized in that the gases obtained after removing sulfur oxides from the combustion exhaust gases by a wet process are introduced into a wet electrostatic precipitator to remove most of the impurities such as dusts, fumes and mists, passed through a dummy catalyst layer in the form of a fixed bed or a moving bed to remove the remaining impurities which is set before or after heating the gases to a temperature suitable for the reaction of reducing nitrogen oxides, and passed through a metal oxides catalyst layer in the form of a fixed bed in the presence of ammonia which is used at least in the stoichiometric amount required for reducing nitrogen oxides to nitrogen gas by which the gases containing nitrogen oxides are reduced to harmless gases.
摘要翻译： 一种通过湿法除去硫氧化物后得到的燃烧废气中的氮氧化物的方法，其特征在于将通过湿法从燃烧废气中除去氧化硫后得到的气体引入湿式静电除尘器中以除去 大多数杂质如灰尘，烟雾和雾气通过固定床或移动床形式的虚拟催化剂层，以除去在将气体加热至适合于反应的温度之前或之后设置的剩余杂质 的还原氮氧化物，并且在氨的存在下通过固定床形式的金属氧化物催化剂层，所述氨在至少以用于将氮氧化物还原成氮氧化物所需的化学计量所需的化学计量量中使用，其中含有氮氧化物的气体是 减少到无害气体。
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3.发明授权Method for catalytically reducing nitrogen oxides using moving catalyst bed reactor 失效使用移动催化剂床反应器催化还原氮氧化物的方法
公开(公告)号：US4186177A
公开(公告)日：1980-01-29
申请号：US816806
申请日：1977-07-18
CPC分类号： B01D53/8625 , B01J8/12
摘要： A method for the removal of nitrogen oxides from heavy oil combustion exhaust gases containing nitrogen oxides, sulfur oxides and dusts by a catalytic reduction process using a moving catalyst bed reactor wherein the exhaust gases are catalytically contacted with ammonia at 250.degree. to 450.degree. C., which is characterized in that a sealing gas having a temperature of 200.degree. C. or higher, preferably 280.degree. C. or higher, and a pressure higher than the average pressure at the outlet and inlet of the moving catalyst bed reactor is introduced into the portions of the reactor where the catalyst is taken out therefrom and is again supplied thereto, whereby the decrease of the catalyst activity can be effectively prevented.
摘要翻译： 一种通过使用移动催化剂床反应器的催化还原方法从含有氮氧化物，硫氧化物和粉尘的重油燃烧废气中除去氮氧化物的方法，其中废气在250-450℃下与氨催化接触。 其特征在于，将温度为200℃以上，优选为280℃以上的密封气体和比移动的催化剂床反应器的出口和入口处的平均压力高的压力引入 反应器的从其中取出催化剂并再次供应的部分，从而可以有效地防止催化剂活性的降低。
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4.发明授权
公开(公告)号：US4051225A
公开(公告)日：1977-09-27
申请号：US641536
申请日：1975-12-17
CPC分类号： B01D53/8625
摘要： A method for heat recovery in the processes of the removal of nitrogen oxides from exhaust gases containing sulfur oxides and nitrogen oxides by a catalytic or non-catalytic reduction thereof with ammonia. After passing through the reaction zone for the reduction of nitrogen oxides the down flow gases are subjected to the submitted air in a heat exchanger. The process is characterized in that the molar ratio of ammonia to sulfuric anhydride and the concentration of steam in the gases at the inlet of the heat exchanger is controlled in the range of O
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5.发明授权Engine cooling system induction arrangement for marine inboard-outboard and outboard engines 失效船用舷外和舷外发动机的发动机冷却系统感应装置
公开(公告)号：US5078630A
公开(公告)日：1992-01-07
申请号：US426272
申请日：1989-10-25
申请人： Takeshi Katsumata
发明人： Takeshi Katsumata
CPC分类号： F01P3/202 , F01P2050/12 , F02B61/045
摘要： A marine outboard engine has a section of its cooling water suction passage defined by an annular groove formed in the periphery of a bearing housing which accommodates the bearing of the propeller shaft. This allows the suction passage to be connencted to a water intake formed on a lower section of the torpedo of the engine without the need to increase the size of the torpedo. This results in a smaller, lighter configuration for the lower case while still allowing the engine to be operated in a super high mount operating mode which is appropriate for use with a super cavitation propeller, due to the low position of the cooling water intake.
摘要翻译： 船用舷外发动机具有其冷却水吸入通道的一部分，该通道由形成在容纳轴承的轴承壳体周围的环形槽限定。 这允许吸入通道与形成在发动机的鱼雷的下部上的进水口连接，而不需要增加鱼雷的尺寸。 这导致小壳体的更小，更轻的构造，同时由于冷却水入口的位置较低，仍然允许发动机以适合于与超空化螺旋桨一起使用的超高安装操作模式操作。
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