• 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:
    A membrane distillation module is provided with a thin, flexible microporous P.T.F.E. membrane (16) positioned against an impermeable condensor sheet (12) that is stiffer in bending than the membrane. Distillate vapour diffuses through the membrane from a hot feed flowing rapidly past the membrane, and condenses and collects between, and in intimate contact with, the membrane and the condensor sheet. The condensed distillate is stripped by forces exerted by the hot feed acting on the distillate across the membrane, and flows toward a distillate outlet (40) located in the downstream direction of the hot feed flow. Cold feed flows past the condensor sheet in the counter direction to that of the hot feed.
    公开号:SU1286097A3
    申请号:SU833560201
    申请日:1983-03-05
    公开日:1987-01-23
    发明作者:Ли Гор Вильберт；Вальтон Гор Роберт；Вальтон Гор Дэвид
    申请人:В.Л.Гор Энд Ассошиейтс Инк (Фирма)；
    IPC主号:
    专利说明:

     s
    1i2
    The invention relates to devices for carrying out a process of continuous distillation by evaporation through microporous partitions and can be used to desalt the solutions and desalinate seawater.
    The aim of the invention is to increase the efficiency of the device by better utilizing heat.
    FIG. 1 shows the device, a cross-section; in fig. 2 shows an embodiment of a turbulizing insert; Fig. 3 is an embodiment.
    spiral-shaped devices; FIGS. 4 and 5 show details of a spiral device.
    The device comprises a housing 1, an impermeable, highly heat-conducting plate 2, located on one side of the chamber 3 of condensation and distillate collection. On the other hand, chamber 3 contains a hydrophobic microporous membrane 4, which is flexible: for example, made of polytetrafluoroethylene, and fixed, with possible contact with a heat-conducting impermeable plate. The bottom cover 5 together with the membrane 4 forms a chamber b of the initial mixture. The device 7 provides for depositing 7 for supplying the initial mixture through fitting 8 to chamber 6. Upper



    0 5
    0
    through which the initial mixture enters the chamber 19 formed by the plates 20 and 21, there is an outlet hole on the chamber 22 "The device also includes a heater 23. The chamber 24 with the inlet fitting 25 serves for countercurrent movement of the heated mixture.
    The pump -26 may be located in the flow between the coolant outlet nozzle 27 and the initial mixture inlet nozzle 25. The chamber 24 on both sides is covered from the inside by hydrophobic microporous membranes 28 and 29, the chambers 30 and 31 serve to drain the distillate collected in compartments 32 and 33, from where it is removed.
    In the device there are a nozzle outlet 34 of the initial mixture, as well as turbulizing inserts 35, containing longitudinal 36 and transverse 37
    threads.
    The device works as follows.
    The original cold mixture of the pump 10 is fed into the device through the nozzle 11, where it passes along the impermeable plate 2, cooling it. In the heater 13, the mixture is heated and pump 7 is fed into the chamber b. The hot initial mixture is transferred in a measure by means of a turbulent arising
    the hood 9 with the plate 2 forms a chamber with a filament of filaments 15 and 16, water evaporates to supply the cooled agent to and through the capillaries of the microporous sump 10 through the nozzle 11. There is a membrane 4 that penetrates into the chamber 3 dps
    till ta The steam is initially condensed on plate 2, then
    also fitting 12 for taking out the cooling agent. The device has a heater 13 of the initial mixture ,. which, after -40, condensate gradually accumulates through the nozzle 8, and discharged - and discharges edge 4 from plate 2,
    The desalinated water is removed from the device through the nozzle 17, and the flow of the initial mixture cooled by evaporation, through the nozzle 14,
    A more preferred embodiment is the helical form of the apparatus, which operates as follows. A cold supply stream 2Q is introduced into the apparatus through the opening 18, it moves through the chamber 19 and is heated through the plates 20 and 21. Then it is withdrawn through the opening 22, fed to the heater 23 and returned to the outlet of the initial mixture and fitting 17 - parath through nozzle 25. A hot stream of distillate water is placed on one side along the spiral chamber of the side of the device’s body.24, the water evaporates through the membranes
    . — through fitting 14. In chamber b there is a turbulizing insert separating the microporous membrane and the lid and made in the form of a grid of 15 longitudinal and 16 transverse threads. Filament 16 is much smaller in diameter. than filaments 15, which are equal to BE 1 of the cell of the initial mixture.
    A fitting 17 is installed on the distillate chamber at its end by means of an engraving of the flow-outflow of the mixture and is designed to remove the distillate from the device, with fitting 14
    In the spiral version of the structure, there is also an inlet orifice L8j.
    28 and 29J and the condensate is collected in chambers 30 and 31, accumulates in
    Ly
     / 2
    R
    /
     /- /five/
    1 I 15. sixteen
    .
    V
    five
    15
    FIG.
    29
    2d
     iQ W W
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      ig.5
    Compile; e L.Svittsov
    18
    thirty
    W
    V
    J5
    权利要求:
    Claims (3)
    [1]
    1. An apparatus for carrying out a continuous distillation process by evaporation through a membrane, comprising a housing, an upper and a lower cover, as well as a heat-conducting impermeable plate and a microporous hydrophobic membrane, dividing the housing into a cooling agent chamber equipped with fittings for cooling inlet and outlet agent.
    O
    five
    0
    five
    0
    a condensation chamber and distillate collection, equipped with a distillate outlet fitting, and an initial mixture chamber, equipped with input and output fittings for the initial mixture, and also including a pump for supplying a cooling agent, an initial mixture heater, and one - due to the fact that, in order to increase the efficiency of the device due to the better use of heat, the microporous membrane is made flexible and fixed with the possibility of contact with a heat-conducting impermeable plate, and the output connection distillate and outputting the initial mixture are arranged on one side of the housing.
    [2]
    2. A device according to claim 1, characterized in that a turbulizing insert is placed in the how-speat of the initial mixture, separating the microporous membrane and the lower crust.
    [3]
    3. The device according to claim 2, which is based on the fact that the turbulence insert is made in the form of a grid of 1.3 longitudinal threads, the thickness of which is equal to the height of the chamber of the initial mixture and transverse threads, the thickness of which is less than the thickness of the longitudinal threads.
    Ly
     / 2
    R
    /
     /- /five/
    .
    V
    1 I 15. sixteen
    five
    15
    FIG.
    29
    2d
    18
    thirty
     iQ W W
    Id: ..
      ig.5
    Compile; e L.Svittsov
    W
    V
    J5
    Editor 0.Holovach Tehred L.Serdyukova Proofreading.G. Reshetnshs
    "V ------- h- - ----------- .--. ----- .- - -...--" - wu "" N-- -...-.-.-.- h --- .. “.-.“.
    Order 7514/59 Circulation 656 Subscription VNIIPI USSR State Committee
    on affairs you invent and discoveries 113035, Moscow, Zh-35, R, - e.ushska nab., d. A / 5
    Production and printing enterprise, Uzhgorod, st. Project, 4
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    同族专利:
    公开号 | 公开日
    BE896084A|1983-09-05|
    AT22812T|1986-11-15|
    CA1203488A|1986-04-22|
    DE3366846D1|1986-11-20|
    DK98783D0|1983-02-28|
    DK98783A|1983-09-06|
    IT1160503B|1987-03-11|
    AU1205383A|1983-09-08|
    FI830733A0|1983-03-04|
    JPH0317526B2|1991-03-08|
    GB2116057A|1983-09-21|
    NO164280B|1990-06-11|
    ES8405280A1|1984-06-01|
    ES524784A0|1984-06-01|
    GB8305344D0|1983-03-30|
    AU554562B2|1986-08-28|
    NO830754L|1983-09-06|
    FR2522520B1|1990-02-09|
    GR78460B|1984-09-27|
    ES8403324A1|1984-03-16|
    CH653907A5|1986-01-31|
    NO164280C|1990-10-03|
    FI830733L|1983-09-06|
    NZ203476A|1986-10-08|
    FI78442C|1989-08-10|
    IT8319920D0|1983-03-04|
    EP0088315A1|1983-09-14|
    US4545862A|1985-10-08|
    ES520318A0|1984-03-16|
    FI78442B|1989-04-28|
    JPS58202089A|1983-11-25|
    FR2522520A1|1983-09-09|
    GB2116057B|1985-07-24|
    EP0088315B1|1986-10-15|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US06/354,140|US4545862A|1981-03-17|1982-03-05|Desalination device and process|
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