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    • 2. 发明专利
    • Method for recovering heat of crude gas generated from coke oven
    • 从焦炭炉回收原油气的方法
    • JPS59102987A
    • 1984-06-14
    • JP21216382
    • 1982-12-03
    • Mitsubishi Heavy Ind LtdNippon Kokan Kk
    • CHIKAMOTO TOSHIYAMAKINO KATSUAKITAODA KIYOMICHIKUWATA TOKIO
    • C10B27/00C10K1/02C10K1/06C10K1/18F28D21/00
    • Y02P20/124
    • PURPOSE: To recover the sensible heat of a crude gas generated from a coke oven, by cooling a mixture of a tar flowing down heat transfer tubes with a gas with water spray, separating the cold mixture by the specific gravity, and feeding the resultant diluted tar having a low boiling point to the circulating tar.
      CONSTITUTION: A crude gas (G
      2 ) generated from a coke oven is brought into contact with a circulating tar 11 charged into a wetted wall cooler 5 and made to flow in vertical heat transfer tubes 12 arranged in the wetted wall cooler 5 to carry out the heat exchange of the crude gas with a fluid flowing around the above-mentioned heat transfer tubes 12 and recover the sensible heat of the crude gas (G
      2 ). The resultant mixture of the tar flowing down the heat transfer tubes 12 with the gas is cooled with water spray in a water spray tank 15 and separated in a gas-liquid separation tank 17 by the specific gravity to give a diluted low-boiling tar, which is then fed to the above- mentioned circulating tar 11.
      EFFECT: The viscosity of the circulating tar can be reduced without reducing the temperature of the circulating tar, and the following advantages can be obtained; Improvement in cooling performance, reduction in the power of the circulating pump, miniaturization of the apparatus and improved quality of recovered steam.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:为了回收焦炉产生的粗气体的显热,通过用喷雾器将冷却下来的传热管与气体的焦油混合物冷却,将冷混合物按比重分离,并将得到的稀释 焦油具有低沸点至循环焦油。 构成:从焦炉产生的粗气体(G2)与装入湿润壁式冷却器5的循环焦油11接触,使其在布置在湿壁式冷却器5中的垂直传热管12中流动, 原料气与在上述传热管12周围流动的流体进行热交换,并回收粗气体(G2)的显热。 将由热交换管12向下流动的焦油与气体的混合物在水喷雾槽15中喷雾冷却,并在气 - 液分离槽17中以比重分离,得到稀释的低沸点焦油, 然后将其送入上述循环焦油11.效果:可以降低循环焦油的粘度而不降低循环焦油的温度,并且可以获得以下优点; 冷却性能的提高,循环泵功率的降低,设备的小型化和回收蒸汽的质量提高。
    • 3. 发明专利
    • Heat retrieving device
    • 热回收装置
    • JPS5949488A
    • 1984-03-22
    • JP16037382
    • 1982-09-14
    • Mitsubishi Heavy Ind LtdNippon Kokan Kk
    • CHIKAMOTO TOSHIYAMAKINO KATSUAKIKUNO HIROAKITAODA KIYOMICHINAMAJIO HIROYUKIOGAWARA FUMIOSHIORIDA TOKIO
    • F28C3/14F27D17/00
    • F27D17/004
    • PURPOSE:To operate the device stably without effecting decoking operation and improve the retrieving amount of heat by a method wherein high-temperature gas, including a high boiling point constituent, is introduced into a jet layer cooler and is circulated stably by extracting and supplementing particles for heat exchange. CONSTITUTION:The high-temperature dirty gas, including the high boiling point constituent such as tar or the like, is introduced into the jet layer cooler 1 through introducing tubes 10, 9, rises through a draft tube 6 together with the particles 8 and is discharged out of a discharging port 4 after being cooled by providing the particles 8 with heat. The particles 8, which are provided with heat, collide against a collision plate 7 and return to the lower part of the draft tube 6 after passing through the outside of the draft tube 6. The operation is stable when the temperature of the gas is higher than the condensing temperature of the tar, however, when the heat retrieving amount is increased remarkably, the temperature of the gas is reduced, the tar is condensed on the surfaces of the particles and each of them make a block mutually thereby making the circulation and heat retrieval impossible. Accordingly, a given amount of the particles 8 under circulation is released from an extracting tube 21 and is introduced into a reproducer 2 to burn the tar on the surface of the particles 8 on a grating 23 by introducing hot-air from a producer 25 while the given amount of particles is supplemented from a tank 30 when it is extracted.
    • 目的:为了稳定地操作设备,不进行除焦操作,并且通过将包括高沸点成分在内的高温气体引入喷射层冷却器并通过提取和补充颗粒而稳定地循环的方法来提高回收热量 用于热交换。 构成:通过引入管10,9将包括高沸点成分如焦油等的高温脏气引入喷射层冷却器1,与颗粒8一起通过引流管6上升,并且是 通过使颗粒8发热而冷却后从排出口4排出。 具有热量的颗粒8碰撞碰撞板7,并在通过引流管6的外部后返回到引流管6的下部。当气体的温度较高时,操作是稳定的 然而,当热回收量显着增加时,气体的温度降低,焦油在颗粒表面上冷凝,并且它们各自相互制成块从而使循环和 热回收不可能 因此,将一定量的循环中的颗粒8从提取管21中释放出来并被引入到再现器2中,以通过从生产者25引入热空气将颗粒8的表面上的焦油燃烧在光栅23上,同时 当提取时,从罐30补充给定量的颗粒。
    • 5. 发明专利
    • SELECTING METHOD FOR GARBAGE
    • JPS555749A
    • 1980-01-16
    • JP7911078
    • 1978-06-29
    • MITSUBISHI HEAVY IND LTD
    • CHIKAMOTO TOSHIYAMAKINO KATSUAKIKUNO HIROAKI
    • B03B9/06
    • PURPOSE:To make it possible to select efficiently garbage of high purity, by treating the garbage having been crushed in eddying water in successive steps of removal of metals, removal of rubbers, removal of earth, sand, and glass, and in a concentrating and dehydrating step for the garbage. CONSTITUTION:Garbage A contained in city refuse is roughly separated by a primary selector 1 of plastics B and inorg. matters C and is delivered as a classified garbage D to a fine selector 2. The selector 2 comprises an impeller crusher, a rotary screen, a rubber-removing screen, a pressure floating-concentrating unit, a centrifugal dehydrator, and separates the garbage from metallic, coarse, heavy materials E, coarse light mateials F such as plastics, rubbish, and inorganic materials G such as glass to form garbage H of high purity. The garbage H is treated anaerobically in a dissolving unit 3 to form a soln. I, which is subjected in a methanizing unit 4 to anaerobic fermentation, hereby methan gas J and a garbage of high purity, contg. 96% fermented material, are obtained in a yield of 90%.
    • 9. 发明专利
    • Dust collection apparatus for waste heat recovery
    • 垃圾收集装置用于废热回收
    • JPS59105817A
    • 1984-06-19
    • JP21396382
    • 1982-12-08
    • Mitsubishi Heavy Ind Ltd
    • CHIKAMOTO TOSHIYADEWA AKIOHIRATA KOUICHIMAKINO KATSUAKI
    • B01D46/34F22B1/18F23J15/00F28C3/14F28G1/12F28G13/00
    • F28G13/00
    • PURPOSE: To effectively take out the sensible heat of the exhaust gas from an electric furnace, by a method wherein an apparatus for successively falling particles is provided on the way of the passage of dust-containing high temp. exhaust gas to adhere dust to said particles and a means for recovering the heat of adhered dust is provided to the lower part of said apparatus.
      CONSTITUTION: When a plurality of particles are fallen from a particle hopper 14, the semi-molten dust in exhaust gas is adhered to the particles and removed from the exhaust gas while waste heat is recovered by a heat exchanger 10. The dust adhered particles pass a waste heat recovery box 18 and, during this time, waste heat is recovered through a heat conductive pipe 16. The dust adhered particles fallen in the recovery box 18 are heated to a high temp. by the heat held by dust and the exhaust gas and heat the pipe 16 during passage through the recovery box 18 to recover heat. Each particle is constituted of a small sphere made of a heat resistant alloy or a ceramic shere and the diameter thereof is appropriately set by the amount of dust, viscosity or the temp. of the exhaust gas.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:为了有效地从电炉取出废气的显热,通过在含尘高温通道的途中设置连续落下的颗粒的装置。 废气将粉尘附着在所述颗粒上,并且在所述装置的下部设置用于回收附着灰尘的热量的装置。 构成:当多个颗粒从颗粒料斗14掉落时,废气中的半熔融灰尘粘附到颗粒上并从排气中除去,同时通过热交换器10回收废热。尘埃附着颗粒通过 废热回收箱18,在此期间通过导热管16回收废热。落在回收箱18中的尘埃附着颗粒被加热到高温。 通过由灰尘和废气保持的热量,并且在通过回收箱18期间加热管16以回收热量。 每个颗粒由耐热合金或陶瓷板制成的小球构成,其直径由粉尘量,粘度或温度适当设定。 的废气。
    • 10. 发明专利
    • TREATING METHOD OF CONDENSED TAR
    • JPS5879093A
    • 1983-05-12
    • JP17557481
    • 1981-11-04
    • MITSUBISHI HEAVY IND LTDNIPPON KOKAN KK
    • CHIKAMOTO TOSHIYAOKAMOTO YUKIYOSHIKONISHI NOBUAKIMAEDA TOMOO
    • C10K1/00C10K1/04C10K1/12
    • PURPOSE:To condense components having a relatively low boiling point in a gas and mix and dissolve fine particulate tar in the condensed components, by introducing steam into the condensed tar, changing the tar into fine particles, and spraying the fine particulate tar and a gas at the outlet of a wetted-wall cooler with aqueous ammonia. CONSTITUTION:A high-temperature gas containing tar is cooled and condensed in a watted-wall cooler 12 and stored in the bottom tank 13. On the other hand, the cooled gas is fed into an aqueous ammonia spary tank 15 and brought into contact with the aqueous ammonia and further cooled to about 85 deg.C to condense components having a relatively low boiling point. Only the gas is discharged from a line 20 to the outside of the system. The condensed tar in the tank 13 is always circulated through a line 5 to the top of the wetted-wall cooler 12 when the liquid level is a specific value or above, and subjected to the thermal conversion to increase the viscosity thereof while made to flow down in heat transmitting tubes in contact with the gas. The tar is then passed through lines 6 and 7, introduced into the aqueous ammonia spray tank 15 and dispersed into fine particles with steam fed from the line 7, and the misty tar in the gas is mixed with the condensed components condensed and captured by the aqueous ammonia spray and directly in the liquid state fed into a gas-liquid separation tank 16.