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    • 9. 发明授权
    • Process of thermally cracking heavy hydrocarbon oils
    • 重质烃油热裂解工艺
    • US4487686A
    • 1984-12-11
    • US583182
    • 1984-02-24
    • Shimpei GomiTomio AraiTomomitsu TakeuchiShigeru MiwaToru TakatsukaRyuzo Watari
    • Shimpei GomiTomio AraiTomomitsu TakeuchiShigeru MiwaToru TakatsukaRyuzo Watari
    • C10G51/02C10G9/16C10G9/14
    • C10G51/023
    • A heavy hydrocarbon feed stock is, after being heat-treated in a first cracking zone, is introduced into a second thermal cracking zone for obtaining a thermally cracked product and a pitch product. The second cracking zone has a plurality of cracking reactors which are connected in series, through which is successively passed the treated feed stock and to each of which is supplied a gaseous heat transfer medium to maintain the liquid phase therein at a temperature sufficient for effecting the thermal cracking and to strip the resulting distillable, cracked components from the liquid phase. The thermal cracking temperature in one reactor is so controlled as to become higher than that in its adjacent upstream-side reactor. The distillable, cracked components in respective reactors are removed overhead therefrom and separated into a heavy fraction and a light fraction, while the liquid phase in the downstream-end reactor is discharged therefrom for recovery as the pitch product. The light fraction is recovered as a light product oil, while the heavy fraction is fed to a third thermal cracking zone for obtaining a tar-containing product which is recycled to at least one of the reactors of the second thermal cracking zone together with a naphthene base heavy hydrocarbon oil.
    • 在第一裂解区热处理后,将重质烃原料引入第二热裂解区以获得热裂化产物和沥青产物。 第二裂解区具有多个串联连接的裂解反应器,通过该裂化反应器依次通过处理过的原料,并将其中的每一个供应气态传热介质,使其中的液相保持在足以实现 热裂解并从液相中剥离得到的可馏出的裂化组分。 一个反应器中的热裂解温度被控制得高于其相邻的上游侧反应器中的热裂解温度。 各反应器中的可蒸馏的裂化组分在其上从其上除去并分离成重馏分和轻馏分,而下游反应器中的液相从其排出,作为沥青产物进行回收。 将轻馏分作为轻质产物油回收,同时将重质馏分进料至第三热裂解区,以获得含焦油的产物,其与第二热裂解区的至少一个反应器一起再循环至环烷烃 基础重烃油。
    • 10. 发明授权
    • Portable ultrasonic detector
    • 便携式超声波探伤仪
    • US06397681B1
    • 2002-06-04
    • US09321120
    • 1999-05-27
    • Hajime MizunoyaYoshio AkutsuShigenori AokiShigeru Miwa
    • Hajime MizunoyaYoshio AkutsuShigenori AokiShigeru Miwa
    • G01N2904
    • G01N29/0645G01N2291/02854G01N2291/0289
    • This portable ultrasonic detector has a moved distance instrument comprised of an encoder for detecting a moved amount and a counter for counting the moved amount signal outputted from the encoder, as a means for obtaining position information of an ultrasonic probe. When moving the ultrasonic probe on the surface of the object on the occasion of the inspection, the moved distance instrument measures the moved amount of the ultrasonic probe. The measured moved amount of the ultrasonic probe is sent to an arithmetic processing section of the device body. Also, the ultrasonic detector detects A-scope data when scanning the inspected object with the ultrasonic probe, and executes the predetermined processing by using the data. The ultrasonic detector combines the A-scope data and the moved distance data of the ultrasonic probe to make an inner scope image (B-scope image, etc). When repeatedly scanning the same spot of the object with the ultrasonic probe in order to make the B-scope image, etc. and display them on a display section, peaks of defect echo waves are memorized in piles, and further two defect images or more are displayed on the B-scope image. This ultrasonic detector is configured to draw a storage-type B-scope images. Thereby, defect images can be evaluated in detail and a defect position can be detected accurately.
    • 该便携式超声波检测器具有移动距离仪器,其包括用于检测移动量的编码器和用于计数从编码器输出的移动量信号的计数器,作为用于获得超声波探头的位置信息的装置。 在检查时将物体表面移动超声波探头时,移动的距离仪器测量超声波探头的移动量。 将超声波探头的测量移动量发送到装置主体的运算处理部。 此外,超声波检测器在利用超声波探头扫描检查对象时检测A范围数据,并且通过使用该数据来执行预定处理。 超声波检测器将A范围数据与超声波探头的移动距离数据进行组合,形成内窥镜图像(B范围图像等)。 当使用超声波探头重复扫描物体的同一点以便制作B像镜图像等并将其显示在显示部分时,缺陷回波的峰值被记录在堆中,并且还有两个缺陷图像或更多 显示在B范围图像上。 该超声波检测器被配置为绘制存储型B范围图像。 因此,可以详细评估缺陷图像,并且可以准确地检测缺陷位置。