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    • 2. 发明申请
    • MONOMER RECOVERY BY RETURNING COLUMN OVERHEAD LIQUID TO THE REACTOR
    • 通过将柱顶液返回到反应器来进行单体回收
    • WO2007075615A2
    • 2007-07-05
    • PCT/US2006048323
    • 2006-12-19
    • CHEVRON PHILLIPS CHEMICAL COTAIT JOHN HMURPHY ROBERT SWATTS MICHAEL AGUPTA ANURAG
    • TAIT JOHN HMURPHY ROBERT SWATTS MICHAEL AGUPTA ANURAG
    • C08F6/00C08F10/00
    • C08F6/003B01J19/1837B01J2208/00274B01J2208/00761B01J2219/00006Y10S526/92C08L23/00
    • A polyolefin production system, comprising a polymerization reactor (such as a polyethylene loop slurry reactor) and a fractionation system that receives reactor effluent processed in a diluent/monomer recovery system for recycle to the reactor and to suppliers. A conduit diverts a portion of a reflux flow comprising monomer, such as ethylene, from within the fractionation system to the polymerization reactor, providing for less venting of monomer, such as ethylene, to the supplier. Accordingly, monomer yield is advantageously increased, as the monomer returned to the reactor displaces monomer feedstock to the reactor. The reflux flow may originate from a condensed overhead lights from a diluent recycle column disposed in the fractionation subsystem. The diluent recycle column may receive a stream comprising diluent and monomer as feed from the diluent/monomer recovery subsystem, and may receive the non-diverted portion of the reflux flow as reflux.
    • 一种聚烯烃生产系统,其包括聚合反应器(例如聚乙烯回路淤浆反应器)和分馏系统,其接收在稀释剂/单体回收系统中处理的反应器流出物,用于再循环至反应器和供应商。 导管将包含单体例如乙烯的回流的一部分从分馏系统内转移至聚合反应器,从而向供应商提供较少的单体例如乙烯的排放。 因此,单体产率有利地增加,因为返回反应器的单体将单体原料置换到反应器中。 回流可以源自设置在分馏子系统中的来自稀释剂再循环塔的冷凝顶灯。 稀释剂再循环塔可以接收包含稀释剂和单体的物流作为来自稀释剂/单体回收子系统的进料,并且可以接收回流的非转向部分作为回流。
    • 3. 发明申请
    • RUGGED MODULAR PC104 CHASSIS WITH BLIND MATE CONNECTOR AND FORCED CONVECTION COOLING CAPABILITIES
    • 具有盲点连接器和强制对流冷却能力的模块化PC104底盘
    • WO2004049105A3
    • 2004-09-16
    • PCT/US0335966
    • 2003-11-21
    • LOCKHEED CORP
    • CANTER DONALD CWATTS MICHAEL A
    • H05K7/14H05K7/20
    • H05K7/1408H05K7/1412
    • A chassis for circuit cards has a housing, a front end, a connector end, and a top cover. The housing has an airflow slot on its underside, and the top cover is open in nature, the combination of which allows the flow of forced convection air from top to bottom (or vice versa) to cool the circuit cards. The connector end has alignment pins which assist in blind mating of the chassis in difficult to access areas. Stabilizer rods, spacers and spacer brackets, made from stainless steel, hold the circuit cards in place and protect them from shock, vibration, and other trauma. The front end has a jacking type screw which enables one to exert sufficient pressure so that the greater than 200 I/O pins at the connector end are easily forced into receiving sockets.
    • 用于电路卡的底盘具有外壳,前端,连接器端和顶盖。 外壳在其下侧具有气流狭槽,顶盖本质上是开放的,其组合允许强制对流空气从顶部到底部(或反之亦然)流动以冷却电路卡。 连接器端部具有对准销,其有助于在难以接近的区域中底盘的盲配合。 由不锈钢制成的稳定杆,间隔件和间隔支架将电路卡固定到位,并保护它们免受冲击,振动和其他创伤。 前端具有一个顶起式螺钉,使得能够施加足够的压力,使得连接器端处的大于200个I / O销很容易被迫进入接收插座。