• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to gas separation devices using an adsorbent, preferably activated carbon, and can be used in the chemical and other industries. The purpose of the invention is to increase the efficiency of the separation process by ensuring uniform heating of the sorbent. In the working volume of the device, both the cooling and heating means are oriented to the pipes with the adsorber, and the means for circulating the heat transfer agent is located in the upper part of the device, which makes it possible to observe the same temperature in all sections of the sorbent. 3 hp f-ly, 1 ill.
    公开号:SU1743338A3
    申请号:SU884356367
    申请日:1988-09-02
    公开日:1992-06-23
    发明作者:Экард Бернд；Бурбах Томас
    申请人:Сименс Аг (Фирма)；
    IPC主号:
    专利说明:

    cl
    WITH
    The invention relates to a device for separating a gas using an adsorbent, preferably activated carbon, and can be used in the chemical and other industries.
    The purpose of the invention is to increase the efficiency of the separation process by ensuring uniform heating of the sorbent.
    The drawing shows the adsorption device, a General view.
    The adsorption device includes a body 1 with heat insulation 2, which can be made in the form of insulation from a solid substance or in the form of vacuum insulation and a cover 3 fixed by means of a flange connection 4. From the cover 3 passes into the internal volume of the body 1 anchors 5, on which an adsorber assembly 6 is held, containing a section of pipes 7 with a sorbent, a heat transfer cooling element 8 in the form of a coil, and an electric heater 9.
    The pipe section 7 consists of a large number of vertical pipes arranged parallel to one another on the surface of the circular ring. At the top and bottom, pipes 7 are clamped in the bottoms of pipes 10 and 11, on which curved leaf rings 12 and 13 are fixed to form collecting chambers 14 and 15. Pipes 7 have a diameter of, for example, 35 mm and contain activated carbon with a bulk weight of 0.45 kg / l. They
    h |
    4 WITH
    with so
    00

    with
    grouped with such a density that the interval between the pipes 7 is smaller than the diameter of the pipe. The cooling element 8 is located inside the pipe section 7 and can be made simultaneously cylindrical. The ends of element 8 are connected via inlet 16 and outlet 17 pipelines to external pipe 18 and 19, which are led out of housing 1. Pipe 19 is connected to a chiller, through which liquid nitrogen can be directed as a secondary coolant to produce a temperature below -130 ° C inside the housing 1.
    An electric heater 9 located in the center of the housing 1 inside the section of pipes 7 and the cooling element 8 includes electrical heating rods 20 extending parallel to one another vertically upwards from the bottom carrier plate 21. The latter is a single piece with bottom plates for pipe 11 and holds the heating rods 20, grouped, for example, in the form of a circular ring with an interval equal to the thickness of the heating rod, inside the cooling device 8.
    The height of the heating rods 20 is less than the height of the pipes 7 and the cooling element 8, therefore there remains inside a free volume in which the fan 22 is located. The latter can also be located above the section of pipes 7 under the cover 3 of the container. The fan 22 is mounted by means of a star-shaped holder 23 in the jacket 24. The holder 23 is directed upwards by the drive shaft 25 through the housing 1 to the driving motor 26 mounted outside the housing 1 on the cover 3. The engine 26 is enclosed by a gas-tight casing 27 fixed on the cover 3 by flange connection 28. The casing is made to remove the waste heat of the engine in the form of a double-wall cooling jacket 29 with inlet and outlet refrigerant. Nozzles 30-32 are provided for input and output of the mixture being cleaned.
    The device works as follows.
    In the internal volume of the housing 1 contains helium under pressure, for example, 1 bar. Helium serves as a means of heat transfer, which by means of a fan 22 circulates through the internal volume of the housing 1 in the directions indicated by arrows in the drawing, ensuring an even distribution of heat. During circulation, helium passes by the pipe section 7 and is either cooled by the heat transfer element 8 or heated by the heating device 9. The circulation velocity is 1000 or more. The mixture to be cleaned is fed through pipes 30 and 31 into the device.
    By cooling, the binding of inert gases of krypton and xenon with activated carbon in the pipes 7 is enhanced. The purified gas is discharged through the outlet 32. After bonding, krypton and xenon can be removed by heating (regenerating) the activated carbon using a heating device 9, the heat of which is transferred to the pipes 7 also by means of a fan with circulating helium. In case 1, both cooling 8 and heating 9 devices are oriented to adsorber pipes, thereby ensuring that the temperature of the adsorber pipes is almost the same temperature with a very small temperature difference across the adsorber pipe section at the same time. Heat transfer between the adsorber tubes and the cooling or heating devices is intensified by the circulating gas, preferably gels, so that a homogeneous temperature distribution and a significant reduction in energy consumption are achieved. Advantageously, the gas circulation rate is 1000 or more.
    The fan is positioned in the direction of flow after the heating and cooling elements, so that, in addition to supplying the gas, thermal alignment of the circulating gas flow is also achieved before it is cooled into the tube section of the adsorber and the formation of separate jets with different temperatures is reliably prevented.
    The pressure loss in the gas circulation zone should be chosen in such a way that a much greater pressure loss occurs through the pipe section of the adsorber, for example, by a factor of 2 or more, compared to the pressure loss on the rest of the flow path. Due to this, a substantially uniform flow velocity in the tube section of the adsorber is achieved, and thus the thermal load of the material is prevented in the adsorber as well as the difference in sorption in the adsorber.
    The fan motor is located outside the tank, so that it operates at normal temperatures and the heat of loss must not be removed through a cooling device. In this case, the drive motor may be covered with a gas-tight casing, simultaneously serving as a cooling jacket.
    The tube bundle, the cooling element in the form of a coil and the heating device are connected to each other and suspended in the device housing as an assembly and can be inserted and, if necessary, be removed again as one piece.
    权利要求:
    Claims (4)
    [1]
    Claims 1. An adsorption device for separating a gas using an adsorbent, preferably activated carbon, comprising a heat-insulated vertical cylindrical body with a lid and nozzles of input and output phases with an adsorbent placed therein, a heat transfer element in the form of a coil and an electric heater, differing in that that, in order to increase the efficiency of the separation process by ensuring uniform heating of the sorbent, it is provided in the central upper part of the body with means for circulating ii authorizing heat transfer agent and the vertical beam
    thirty
    tubes for the sorbent located near the heat transfer element along its entire length.
    [2]
    2. Device pop. 1, characterized in that it is provided with a bundle of vertical pipes in which a sorbent is installed, mounted on the periphery of the housing around the ring, the heat transfer element is concentric and the electric heater is in the center, while the length of the electric heater is less than the length of the pipe with a sorbent and heat transfer element .
    [3]
    3. Device pop. 1, characterized in that the means for circulating is provided with a drive placed in a remote heat-insulated chamber and a magnetic coupling.
    [4]
    4. The device according to claims 1 and 2, characterized in that the tube bundle, the heat transfer element and the heater are interconnected in a single unit, equipped with anchors attached to the housing cover.
    类似技术:
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    同族专利:
    公开号 | 公开日
    DE3865612D1|1991-11-21|
    UA12792A|1997-02-28|
    US4881958A|1989-11-21|
    EP0307581B1|1991-10-16|
    EP0307581A1|1989-03-22|
    DE3729517A1|1989-03-16|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE19873729517|DE3729517A1|1987-09-03|1987-09-03|ADSORPTION DEVICE FOR GAS SEPARATION|
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