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1.发明授权Apparatus for facilitating solids transport in a pneumatic conveying line and associated method 失效用于促进气动输送管线中固体输送的装置及相关方法
公开(公告)号：US5252007A
公开(公告)日：1993-10-12
申请号：US878400
申请日：1992-05-04
摘要： An apparatus for facilitating solids transport in a pneumatic conveying l. The apparatus reduces the velocity of a gas within the pneumatic conveying line. The following describes a preferred embodiment. An inner cylinder is spliced into the line. An upper portion of the inner cylinder is made of a porous material. An outer cylinder having a diameter larger than the inner cylinder encircles the inner cylinder and defines a cavity therebetween. Two solenoid valves are associated with the outer cylinder; one for purging the gas and the other for introducing a reverse jet of gas to dislodge particles from the porous material. A pressure transducer measures fluctuations across the top of the inner cylinder and is connected to a control unit which, in turn, controls the valves.
摘要翻译： 用于促进气动输送管线中的固体输送的装置。 该装置降低了气动输送管线内气体的速度。 下面描述一个优选实施例。 内筒被拼接成线。 内筒的上部由多孔材料制成。 具有大于内筒的直径的外筒包围内筒并且在其之间形成空腔。 两个电磁阀与外筒相连; 一个用于吹扫气体，另一个用于引入反向气流，以从多孔材料中排出颗粒。 压力传感器测量内筒顶部的波动，并连接到控制单元，控制单元又控制阀。
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公开(公告)号：US4613429A
公开(公告)日：1986-09-23
申请号：US628291
申请日：1984-07-05
摘要： A process for removing mineral matter from feed coal employing liquid carbon dioxide. A water slurry of pulverized feed coal is mixed with liquid carbon dioxide. Demineralized coal is collected in the liquid carbon dioxide phase while separated mineral matter concentrates in the water phase. The two liquid phases are separately drawn off and their solid contents recovered.
摘要翻译： 一种使用液态二氧化碳从饲料煤中除去矿物质的方法。 将粉碎的进料煤的水浆与液体二氧化碳混合。 脱矿质煤被收集在液态二氧化碳相中，而分离的矿物质集中在水相中。 两个液相分别取出，其固体成分回收。
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公开(公告)号：US5022274A
公开(公告)日：1991-06-11
申请号：US468367
申请日：1990-01-22
摘要： The high temperature particle velocity meter is comprised of a pair of spaced apart conducting portions having disposed on each of their upstream edges a first and second non-conducting portion. The bombardment of the particles on the conducting and non-conducting portions creates charged particles in the pneumatically transported material. These particles discharge an electric current through the conducting portions to respective conductors and then to respective signal generating means. The signal generating means convert the electric discharges to an electronic signal. The electronic signals from each of the signal generating means are fed into a calculating means which calculate the particle velocity of the material based on the respective electronic signals. In another embodiment, the device can be used in a ceramic pipeline or a metal pipeline having its inner surface ceramically lined. In this embodiment, the device does not include the non-conducting portions as the pipe is already non-conducting. An associated method is also disclosed for each type of pipeline.
摘要翻译： 高温颗粒速度计包括一对间隔开的导电部分，其在其上游边缘的每一个上设置有第一和第二非导电部分。 导电和非导电部分上的颗粒的轰击在气动输送的材料中产生带电粒子。 这些颗粒通过导电部分将电流放电到相应的导体，然后到相应的信号产生装置。 信号发生装置将放电转换成电子信号。 来自每个信号发生装置的电子信号被馈送到计算装置，该计算装置基于各个电子信号计算材料的粒子速度。 在另一个实施例中，该装置可以用在其内表面陶瓷衬里的陶瓷管线或金属管道中。 在该实施例中，由于管道已经不导通，所以该装置不包括非导电部分。 还针对每种类型的管道公开了相关联的方法。
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