Device for the homogeneous mixing of liquids flowing at different temperatures comprising a member connected to an inlet tube and to an outlet tube of a main circuit in which circulates a hot liquid, a cylindrical inlet of the member being connected to a secondary tube of a secondary circuit in whic
Device for the homogeneous mixing of liquids flowing at different temperatures comprising a member connected to an inlet tube and to an outlet tube of a main circuit in which circulates a hot liquid, a cylindrical inlet of the member being connected to a secondary tube of a secondary circuit in which circulates a cold liquid, a cylindrical circuit sealingly fixed to the member on the outlet side thereof and having openings on the inlet tube side, wherein (1) an envelope formed, as from the inlet tube, by a cylindrical part, a frustum-shaped part and a cylinder surrounds the cylindrical pipe providing an annular space with the latter over part thereof located on the side of the inlet tube and having the said openings; (2) the envelope forms a first annular channel with the member; (3) a connecting tube connected to the secondary tube and to the cylinder forms, with a cylindrical inlet of the member, a second annular channel linked to the first annular channel; and (4) the cylindrical pipe has a series of holes in the part not surrounded by the envelope of an outlet tube side. Application to nuclear power stations using a liquid metal as the heat transfer fluid.
대표청구항▼
A device for the homogeneous mixing of liquids flowing at different temperatures, said device comprising: (a) a member having a first inlet adapted to be connected to a first inlet tube through which liquid at a first temperature enters said member, a second inlet adapted to be connected to a second
A device for the homogeneous mixing of liquids flowing at different temperatures, said device comprising: (a) a member having a first inlet adapted to be connected to a first inlet tube through which liquid at a first temperature enters said member, a second inlet adapted to be connected to a second inlet tube through which liquid at a second temperature enters said member, and an outlet adapted to be connected to an outlet tube through which the liquid which entered said member through said first and second inlets exits said member; (b) an envelope disposed in said member, the upstream end of said envelope being mounted in the first inlet of said member by means which permit relative movement between said envelope and said member in the direction of the liquid flow, said envelope being inwardly spaced from said member so as to define a first annular channel between said member and said envelope, said first annular channel being open to the flow of liquid at the upstream and downstream ends thereof; (c) a pipe disposed in said envelope and said member, said pipe defining a first annular space between said envelope and said pipe and a second annular space between said member downstream of said envelope and said pipe, said second annular space being in fluid communication with said first annular channel, the exterior surface of said pipe being sealingly engaged to the inner surface of said envelope downstream of the upstream end of said envelope, being sealingly engaged to the inner surface of said envelope at the downstream end of said envelope, and being sealingly engaged to the inner surface of said member adjacent the outlet of said member, said pipe being open to the flow of liquid at the upstream and downstream ends thereof; (d) a connecting tube sealingly connected to said envelope and to said member adjacent to the second inlet of said member, said connecting tube providing a path of fluid communication from the second inlet of said member to said first annular space, said connecting tube being inwardly spaced from said member so as to define a second annular channel between said member and said connecting tube, said second annular channel being in fluid communication with said first annular channel and with said second annular space; (e) a first plurality of openings in said pipe adjacent to its upstream end and upstream of the confluence of said connecting tube with said first annular space, said first plurality of openings being spaced around the periphery of said pipe and providing paths of fluid communication between said first annular space and the interior of said pipe; (f) a second plurality of openings in said pipe adjacent its downstream end and spaced around the periphery thereof providing paths of fluid communication between said second annular space and the interior of said pipe; and (g) baffle means disposed in said second annular channel to create a static zone in said second annular channel for the liquid which enters it from said first annular channel; (h) said member, said envelope, and said pipe being sized so that the major part of the flow of the liquid from the first inlet tube passes through said pipe and a minor part of the liquid from the first inlet tube flows through said first annular channel, into said second annular channel and said second annular space, and from said second annular space back into said pipe through said second plurality of openings in said pipe, whereby: (i) the major part of the liquid at the first temperature flows through said pipe and exits said member through the outlet of said member; (j) the liquid at the second temperature flows through said connecting tube into said first annular space and from there flows upstream along the exterior surface of said pipe and through said first plurality of openings into the inside of said pipe; and (k) a minor part of the liquid at the first temperature flows through said first annular channel, from which some of it flows into the static zone in said second annular channel and some of it flows into said second annular space, and the liquid in said second annular space flows through said second plurality of openings into the inside of said pipe and exits said member through the outlet of said member. A device as recited in claim 1 wherein: (a) said liquids are liquid sodium metal and (b) the device is adapted for use in a nuclear power plant.
Breuer, Werner; Heydenreich, Frieder; Jeromin, Günter; Judat, Helmut, Device for mixing and reacting multiphase gaseous and liquid mixtures and use of this device.
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