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    • 1. 发明专利
    • Rotary cup-burner
    • 旋转式燃烧器
    • JPS61138013A
    • 1986-06-25
    • JP25908484
    • 1984-12-10
    • Mitsubishi Heavy Ind Ltd
    • KURANAMI YOSHITAKATOFUJI YOSHINORIHONDA KENJIYUUKI TAKATSUGU
    • F23D11/06F23D11/04
    • PURPOSE: To obtain a rotary cup-burner capable of having a small installing available space for the ancillary machine and a simple maintenance property by a method wherein a plurality of blades of an air blasting which are placed in a space indivisually, are fitted to a main rotary shaft whose tip-end is provided with a cup.
      CONSTITUTION: The fan-blade 11 for the primary air and another fan-blade 12 for the secondary air are fixedly secured to the main rotary shaft 2. The air taking in a casing body 16 is pressurized at 200W400mmAg by the use of the fan-blade 12 in the upper-stream side, which partial flow B is supplied to the burner from the blow-off port 17, which remaining flow volume A is supplied to an inlet port 15 of a primary air guide 13. Further, the remaining partial flow A is proceeding to the fan-blade 11, where it is pressurized up to a pressure of 1,200mmAg, passing through the primary air guide 13 and is ejected from a outlet port 14 to atomize a fuel. By this constitution, it is possible to obtain a small rotary cup-burner 1 having a simple maintenance property.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:为了获得能够为辅助机器安装可用空间小的旋转杯式燃烧器,并且通过一种方法将简单的维护性能通过一种方法安装在一起,其中将多个放置在空间中的空气喷射叶片装配到 主旋转轴的顶端设有杯。 构成:用于一次空气的风扇叶片11和用于二次空气的另一风扇叶片12固定地固定到主旋转轴2.采用壳体主体16的空气被加压到200-400mmAg,通过使用 上游侧的风扇叶片12,该分流B从吹出口17供给到燃烧器,该剩余流量A被供给至一次空气引导件13的入口15.另外, 剩余的部分流动A进行到风扇叶片11,在那里它被加压到1200mmAg的压力,通过主空气引导件13并从出口端口14喷出以雾化燃料。 通过这种结构,可以获得具有简单维护性能的小型旋转杯式燃烧器1。
    • 2. 发明专利
    • TEMPERATURE CONTROLLER FOR FLUIDIZED-BED
    • JPS60162110A
    • 1985-08-23
    • JP1610984
    • 1984-02-02
    • MITSUBISHI HEAVY IND LTD
    • KURANAMI YOSHITAKA
    • F23C10/28
    • PURPOSE:To improve load-responsing performance of a fluidized-bed heat exchanger, by a method wherein amounts of the air and a heating medium, which bypass through an air preheater, are regulated according to the temperature of a fluidized bed and the rate of change in a load. CONSTITUTION:The rate of change in a master singal in the controller of a fluidized- bed heat exchanger is sent to a detecting end 20, and is further sent to an air temperature controller 21. The temperature of a fluidized-bed is measured by a temperature located in a fluidized-bed 4, and the result is sent to said air temperature controller 21. The air temperature controller 21 receives the rate of a change in a master signal from the detecting end 20 and a temperature signal from the fluidized-bed 4, and in response to a fluctuation in a load, the operation of a bypass mechanism 22 fr an air 8 for combustion, passing through an air preheater 14, that of the bypass mechanism 22 for a heating medium 15, and that of a burner 17 for the starting are respectively controlled to enable the air 8 for combustion to be freely changed from the temperature of the open air to the high temperature of the heating medium 15. This permits the temperature of the fluidized-bed to be rapidly varied to temperature responding to a load, resulting in the possibility to increase the load-responding performance of the fluidized- bed heat exchanger.
    • 3. 发明专利
    • OPERATING METHOD OF HEAVY OIL/GAS BURNING MARINE BOILER
    • JPH06221512A
    • 1994-08-09
    • JP826693
    • 1993-01-21
    • MITSUBISHI HEAVY IND LTD
    • KURANAMI YOSHITAKA
    • F22G5/12
    • PURPOSE:To enable to reduce the designed desuperheating capacity of a stream temperature controller and permit the increase of propulsive efficiency upon gas burning by a method wherein a set temperature is provided with different values upon heavy oil burning or upon gas burning. CONSTITUTION:The combustion mode of a boiler is set by a combustion mode setter 14 and the output SP1 of a steam temperature setter 11A is selected by a parameter switching device 15 upon mono-combustion of gas while the output SP2 of another steam temperature setter 11B is selected by the same device 15 upon mono-fuel combustion of heavy oil to determine the set value SP of a proportional integration operation 12. The set temperature is determined so as to be 515 deg.C upon burning heavy oil, for example, while the set temperature is determined so as to be 525 deg.C upon burning gas, for example. According to this method, the desuperheating capacity of a steam temperature controller can be set so as to be smaller by 10 deg.C (525-515 deg.C), for example, while a propulsive efficiency can be increased upon burning gas.
    • 5. 发明专利
    • HEAT EXCHANGER
    • JPS58138989A
    • 1983-08-18
    • JP1967582
    • 1982-02-12
    • MITSUBISHI HEAVY IND LTD
    • HIRAYAMA AKIRATOUFUJI YOSHINORIHONDA KENJIKURANAMI YOSHITAKA
    • F22B31/08F28D15/02
    • PURPOSE:To make it possible to use effectively the energy of a high temperature exhaust heat source as a low temperature heat source by a method wherein the steam generating from a steam generating device and water are sealed as heat medium into heat transfer tubes connected to the water supply side of the heat exchanger. CONSTITUTION:When a boiler is started, water is supplied from a water supply line 26 into a steam drum 27 up to a predetermined level. In this case, boiler water is also introduced from a water drum 27' into each of element tubes 5 within an air preheater A through a water filling pipe 32 and a water filling valve 33 by opening a main boiler water filling valve 31. Then a high pressure blower 1' is operated and after purging the interior of a combustion furnace 20, a burner 19 is ignited to thereby elevate the pressure in the furnace 20. Further, when the level of the water in each of the element tubes 5 lowers below a reference level, water is supplied into the tube 5 by opening the water filling valve 33 and when it rises above the reference level, the superfluous water is blown out from a water level adjust valve 11. In addition, with the elevation of the pressure in the steam drum 27, the pressure in each of the element tubes 5 also elevates and when it reaches a predetermined value, a safety valve 10 is operated. Thus, in the above condition, the pressure and the level of the water in each of the element tubes 5 are kept at the predetermined values, respectively, and the pressure in the boiler is increased to thereby increase the load.
    • 6. 发明专利
    • REDUCING DEVICE FOR SUPERHEATED STEAM TEMPERATURE
    • JPH0587308A
    • 1993-04-06
    • JP27185291
    • 1991-09-25
    • MITSUBISHI HEAVY IND LTD
    • KURANAMI YOSHITAKA
    • F22G5/18
    • PURPOSE:To permit the reduction of superheated steam temperature without spoiling the performance of a boiler by a method wherein a superheater bypass pipeline, connecting the half-way of a saturated steam pipe to the outlet port side of a superheater, is provided and a saturated steam bypass stop valve is provided on the half way of the superheater bypass pipeline. CONSTITUTION:A superheater bypass pipeline 12, connecting the half way of a saturated steam pipe 2 to the before side of a temperature detector 8, is provided and a saturated steam bypass stop valve 13, opened and closed manually or automatically, is provided on the half way of the superheater bypass pipeline 12. In the high load area of a boiler, in which a superheated steam temperature exceeds a design value, the saturated steam bypass valve 13 is opened to mix saturated steam with superheated steam at the outlet port of a superheater 5 and reduce the temperature of the superheated steam. On the other hand, the saturated steam bypass stop valve 13 is closed in the low load area of the boiler, in which the superheated steam temperature is low, to stop the bypass of the saturated steam. According to this method, the superheated steam temperature can be reduced without spoiling any performance of the boiler.