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    • 1. 发明授权
    • Primary refrigerant eutectic freezing process [PREUF Process]
    • 初级制冷剂共晶冷冻过程[PREUF工艺]
    • US4654064A
    • 1987-03-31
    • US824613
    • 1986-01-31
    • Chen-Yen ChengWu-Ching ChengWu-Cheh Cheng
    • Chen-Yen ChengWu-Ching ChengWu-Cheh Cheng
    • B01D9/04B01D9/00B01D9/02C02F1/22
    • C02F1/22B01D9/0013
    • A process of separating a multi-component liquid mixture containing n major components by forming crystals of m components, denoted as m crystallizing components, in a crystallization zone, denoted as a first processing zone, having k crystallization sub-zones, the value of m being equal to or greater than 2 and equal to or less than n, the value of k being equal to or greater than 1 and equal to or less than m, comprising a first step of crystallizing the m components in the k crystallization sub-zones to form a first condensed mass and a second step of vaporizing a mass of the volatile component(s) from the liquid mixture to form a first vapor in each sub-zone under a first pressure that is lower than the eutectic pressure defined as the equilibrium pressure at which the m solid phases and the liquid mixture co-exist with a vapor phase containing the volatile component(s), wherein the said first step and the second step are conducted simultaneously so that at least a major fraction of the heat released in Step 1 operation is removed by the Step 2 operation in each sub-zone.
    • 通过在表示为具有k个结晶子区域的第一处理区域的结晶区域中形成表示为m个结晶组分的m个组分的晶体,分离含有n个主要成分的多组分液体混合物的方法,m值 等于或大于2且等于或小于n,k的值等于或大于1并且等于或小于m,包括使k个结晶子区域中的m个组分结晶的第一步骤 以形成第一浓缩物质和第二步骤,从液体混合物蒸发大量挥发性组分,以在低于定义为平衡的共晶压力的第一压力下在每个子区域中形成第一蒸气 其中m个固相和液体混合物与含有挥发性组分的气相共存的压力,其中所述第一步骤和第二步骤同时进行,使得至少大部分o f通过步骤2操作在每个子区域中去除在步骤1中释放的热量。
    • 2. 发明授权
    • Methods and apparatuses for conducting solid-liquid-vapor multiple phase
transformation operations
    • 用于进行固 - 液 - 蒸汽多相变换操作的方法和装置
    • US4809519A
    • 1989-03-07
    • US177668
    • 1988-04-18
    • Chen-Yen ChengSing-Wang ChengWu-Cheh Cheng
    • Chen-Yen ChengSing-Wang ChengWu-Cheh Cheng
    • B01D9/00B01D9/04C02F1/22
    • B01D9/04B01D9/0022
    • The invention is a method with equipments for conducting the solid-liquid-vapor multiple phase transformation steps of processes such as vacuum freezing, wet distillative freezing, vacuum crystallization and primary refrigerant eutectic freezing. All these processes require simultaneous vaporization and crystallization. The invented method for conducting this common step consists of (1) distributing the solution over a rotating surface area to form liquid films (2) subjecting the liquid films to simultaneous vaporization and crystallization (3) removing the crystals from the surfaces and (4) transporting the crystals to the next processing zone. The surfaces can be rotating screws with intermeshing flights or a sets of disks on rotating shafts. The screws are partially submerged in the solution. Elements of the screws are wetted when they are rotated into the pool. Vaporization and crystallization occur when the screw elements are rotated out of the pool because the vessel is maintained at a pressure below the multiple phase--that is solid-liquid-vapor--equilibrium pressure of the solution. The crystals either dislodge from the elements when the elements re-enter the pool or they build up to a certain thickness and are then rubbed off by the crystal buildup on the intermeshing screw. Whether the crystals float or sink, they are conveyed by the screws to the next processing zone. Disk arrangements can be used just like the screws. However, a separate conveying screw is needed to transport the crystals.
    • 本发明是一种用于进行真空冷冻,湿蒸馏冷冻,真空结晶和一次制冷剂共晶冷冻等工序的固液相蒸发多相转化工序的设备的方法。 所有这些方法都需要同时蒸发和结晶。 本发明方法为(1)将溶液分布在旋转表面区域上形成液膜(2)使液膜同时蒸发和结晶(3)从表面除去晶体;(4) 将晶体运送到下一个处理区。 表面可以是旋转的螺钉,其具有相互啮合的飞行或旋转轴上的一组盘。 螺丝部分浸没在溶液中。 当螺丝旋转到池中时,螺丝的元件会润湿。 当螺旋元件旋转离开池时,发生蒸发和结晶,因为容器保持在低于溶液的固 - 液 - 蒸气 - 平衡压力的多相的压力。 当元素重新进入池中或者它们积聚到一定厚度时,晶体或者从元素中移出,然后通过相互啮合的螺钉上的晶体积累而被擦掉。 无论晶体是浮动还是下沉,它们都被螺丝传送到下一个处理区。 磁盘布置可以像螺丝一样使用。 然而,需要单独的输送螺杆来运输晶体。
    • 4. 发明授权
    • Cellular air bag insulation and insulator
    • 蜂窝气囊绝缘和绝缘子
    • US4262045A
    • 1981-04-14
    • US021020
    • 1979-03-16
    • Chen-Yen ChengWu-Cheh Cheng
    • Chen-Yen ChengWu-Cheh Cheng
    • B32B3/12E04B1/76E06B3/28B32B3/20E04B1/80
    • E06B3/285B32B3/12E04B1/76B32B2255/10B32B2255/26B32B2307/304Y10T428/231Y10T428/234Y10T428/239Y10T428/24479Y10T428/24562Y10T428/24661Y10T428/24744
    • The invention introduces a cellular air bag insulator and its uses in insulating a house window, a house door, a house wall and process equipment, such as an evaporator, a refrigerator and a distillation column. A cellular air bag insulator is a light weight insulator and comprises an outer enclosed bag and an expansible and collapsible multicompartment core such as a honeycomb structure joined to the outer bag. It can easily be inflated and deflated. When it is inflated, multitude of horizontal air compartments in multilayers are formed in the bag to provide a high resistance to heat transfer through the bag by reducing convective flow of air within the bag and by requiring the heat to pass through the multilayers of air compartments. When it is deflated, it occupies a rather small volume and can be rolled up or folded into a compact form that is convenient to handle and store. When a cellular air bag insulator is inflated, its edges press against the walls of a confining frame and/or its front surface press against the surface to be insulated to prevent air flow around the insulator. There is no need for an elaborate mounting frame or special brackets.
    • 本发明引入了一种蜂窝气囊绝缘体及其在房屋窗户,房屋门,房屋墙壁和诸如蒸发器,冰箱和蒸馏塔的处理设备的绝缘中的用途。 蜂窝式气囊绝缘子是重量轻的绝缘体,包括外封闭袋和可膨胀和可折叠的多室芯,例如与外袋接合的蜂窝结构。 容易膨胀和放气。 当膨胀时,袋中形成多层卧式空气隔室,以通过减少袋内的空气的对流流动并且通过要求热量通过空气隔室的多层来提供对通过袋的热传递的高阻力 。 当它被放气时,它占据相当小的体积,并且可以卷起或折叠成便于处理和存储的紧凑形式。 当蜂窝气囊绝缘体膨胀时,其边缘压靠限制框架的壁和/或其前表面压靠表面以被绝缘以防止空气流过绝缘体。 不需要精心安装的支架或特殊支架。
    • 5. 发明授权
    • Gas and liquid contacting process
    • 气体和液体接触过程
    • US5174928A
    • 1992-12-29
    • US472752
    • 1990-01-31
    • Chen-Yen ChengWu-Cheh Cheng
    • Chen-Yen ChengWu-Cheh Cheng
    • B01J10/02F28D3/00F28D9/00F28F13/18
    • F28F13/18B01J10/02F28D3/00F28D9/0031
    • The structure, method of fabrication and uses of enclosed double plate heat transfer panels with prefabricated main panel bodies are introduced. In most applications, a pane is used to conduct a gas-liquid interaction such as vaporization, condesation, gas absorption, gas description, endothermic and exothermic chemical reactions inside while having a heat interaction with a fluid outside that undergoes a complementary operation. A panel (41) incorporates one or more of the following key features:(a) It comprises a prefabricated main body (42) and two reinforced mainfold conduits (47) and (49) welded to the main panel body by welds (45).(b) It has nozzles (48) for applying a liquid film inside the panel.(c) The inside surfaces (51) are textured to improve wettability and drainage.
    • 介绍了带有预制主面板的封闭双板传热面板的结构,制造方法和使用方法。 在大多数应用中,使用窗格进行气 - 液相互作用,例如汽化,凝结,气体吸收,气体描述,吸热和放热化学反应,同时与经过互补操作的外部流体发生热相互作用。 面板(41)包含一个或多个以下主要特征:(a)它包括预制主体(42)和两个通过焊接(45)焊接到主面板主体的加强主折叠导管(47)和(49) 。 (b)具有用于在面板内部施加液膜的喷嘴(48)。 (c)内表面(51)被纹理化以改善润湿性和排水性。