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    • 76. 发明授权
    • Heat pump distillation
    • 热泵蒸馏
    • US08002952B2
    • 2011-08-23
    • US11934321
    • 2007-11-02
    • Paul A. Sechrist
    • Paul A. Sechrist
    • B01D1/28B01D3/02F25J3/02
    • B01D3/14B01D3/007B01D3/32Y02B30/52
    • A distillation column is disclosed with a folded design. The column includes a plurality of rectification zones and corresponding stripping zones Each rectification zone is linked to a heat pump or a stage of a heat pump. Overhead vapor from the top rectification zone is compressed and used to heat bottoms liquid from the bottom stripping zone. Similarly, overhead vapor from the middle rectification zone is compressed and used to heat liquid from a middle stripping zone and overhead from a lower rectification zone is compressed and used to heat liquid taken from the uppermost or top stripping zone. A single multiple stage heat pump compressor may be utilized as opposed to a plurality of heat pumps Because the heat exchanger from each rectification-stripping zone pair has a lower duty, economical stab-in heat exchangers may be utilized.
    • 公开了一种具有折叠设计的蒸馏塔。 该柱包括多个整流区和相应的汽提区。每个整流区连接到热泵或热泵的阶段。 来自顶部精馏区的顶部蒸气被压缩并用于从底部汽提区域加热底部液体。 类似地,来自中间精馏区的塔顶蒸气被压缩并用于从中间汽提区加热液体,并且将来自下部精馏区的塔顶馏出物压缩并用于加热从最上层或顶部汽提区取出的液体。 与多个热泵相反,可以使用单个多级热泵压缩机。因为来自每个精馏 - 汽提区对的热交换器具有较低的占空比,所以可以使用经济的刺入式热交换器。
    • 77. 发明授权
    • Splitter with multi-stage heat pump compressor and inter-reboiler
    • 具有多级热泵压缩机和再沸器的分流器
    • US07981256B2
    • 2011-07-19
    • US11937796
    • 2007-11-09
    • David A. WegererPaul A. Sechrist
    • David A. WegererPaul A. Sechrist
    • B01D1/28B01D3/02C07C7/04F25B30/02
    • B01D3/14C07C7/04Y10S203/04Y10S203/08Y10S203/20Y10S203/90C07C11/06
    • A splitter system is disclosed that produces a product stream from a mixed stream of two materials with similar boiling points. A multi-stage heat pump compressor is used in combination with a bottoms reboiler and an intermediate reboiler resulting in reduced utility consumption. The appropriately placed intermediate reboiler enables use of a lower temperature heat source relative to the bottoms reboiler heat source. As a result, a lower pressure overhead vapor stream can be used to deliver heat to both the intermediate and bottoms reboilers, thereby conserving energy. The first stage of the multi-stage heat pump compressor delivers pressurized overhead vapor to the intermediate reboiler and the second stage provides pressurized overhead vapor to the bottoms reboiler. The disclosed design and method lessens the heat pump compressor power consumption and trim condenser duty for a propylene/propane splitter system by over 20%. A third stage of compression upstream of the overhead trim condenser may be used for purposes of making the column pressure and temperatures independent of the trim condenser temperature.
    • 公开了一种分离器系统,其从具有相似沸点的两种材料的混合流产生产物流。 多级热泵压缩机与底部再沸器和中间再沸器组合使用,导致降低的功耗。 适当放置的中间再沸器使得能够使用相对于底​​部再沸器热源的较低温度的热源。 结果,可以使用较低压力的塔顶蒸汽流将热量传递到中间和底部再沸器,从而节省能量。 多级热泵压缩机的第一级将加压的塔顶蒸气输送到中间再沸器,第二级向底部再沸器提供加压的顶部蒸气。 所公开的设计和方法将丙烯/丙烷分配器系统的热泵压缩机功率消耗和修整电容器负载降低20%以上。 顶置式冷凝器上游的第三级压缩可用于使柱压力和温度与修整冷凝器温度无关。
    • 78. 发明授权
    • Vapor compression distillation system including an integrated motor/compressor unit
    • 蒸汽压缩蒸馏系统,包括集成的电动机/压缩机单元
    • US07927464B2
    • 2011-04-19
    • US11880807
    • 2007-07-24
    • George V. GsellKim C. Klein
    • George V. GsellKim C. Klein
    • B01D1/28B01D3/02
    • B01D1/289B01D1/2893F04D25/06F04D29/601Y02A20/128
    • A vapor compression distillation system (10) is provided and includes a fluid inlet (12) for receiving a fluid, a fluid outlet (14) for a distillate that has been distilled from the fluid, a heat exchanger (16) connected to the fluid inlet (12) and the fluid outlet (14) to transfer heat from the distillate to the fluid; and an integrated motor/compressor unit (18) connected to the heat exchanger (16) to receive vaporized distillate therefrom and to supply pressurized distillate thereto. The system 10 may further include a coolant system (20) connected to the integrated motor/compressor (18) to supply a coolant flow thereto. The system (10) may also include an air oil mist system (22) that is connected to the integrated motor/compressor unit (18) to supply an air oil mist thereto for bearing lubrication and cooling.
    • 提供蒸汽压缩蒸馏系统(10)并且包括用于接收流体的流体入口(12),用于从流体中蒸馏的馏出物的流体出口(14),连接到流体的热交换器(16) 入口(12)和流体出口(14),以将热量从馏出物传递到流体; 以及连接到热交换器(16)以从其接收蒸发的馏出物并且向其供应加压的馏出物的集成的马达/压缩机单元(18)。 系统10还可以包括连接到集成电动机/压缩机(18)以向其供应冷却剂流的冷却剂系统(20)。 系统(10)还可以包括连接到集成电动机/压缩机单元(18)的空气油雾系统(22),以向其供应空气油雾以进行轴承润滑和冷却。