Gas scrubber, entrainment separator and combination thereof
阅读：692发布：2020-12-13
专利汇可以提供Gas scrubber, entrainment separator and combination thereof专利检索，专利查询，专利分析的服务。并且A gas scrubber for removing particles carried in suspension by gas is used with or without a specific entrainment separator. The scrubber has (1) a gas-conducting conduit with a portion having an inner surface that diverges in the direction of gas flow, (2) a diverter that is disposed in this portion of the conduit and that has an opposed diverging surface with a greater degree of divergence, and (3) a pipe that feeds scrubbing liquid to that surface of the diverter for flowing liquid into the downward flow of gas. Preferably, the diverter is supported from above and is resiliently urged upwardly so that the diverter is automatically moved by a change in the rate of gas flow. The scrubber provides an annular flow of gas that is changed to a helical downward flow by the specific entrainment separator, disposed below the diverter and having helically extending elongated plates in a vertical conduit within a chamber. A frustoconical diverter is disposed below the bottom open end of that vertical conduit to change the direction of the gas leaving the vertical conduit. The elongated plates are radially disposed within the vertical conduit and extend in a helical manner about the longitudinal axis of that conduit. Another conduit communicates tangentially with a sidewall opening of the chamber adjacent its top to exhaust the gas from the annulus between the chamber and the vertical conduit. Accumulated liquid is removed from the bottom of the chamber.，下面是Gas scrubber, entrainment separator and combination thereof专利的具体信息内容。
1. An apparatus for use in the removal of material from a gas by scrubbing with a liquid and separating the resultant liquid particles from the gas in which the liquid becomes entrained; said apparatus including an entrainment separator which comprises: a cylindrical vessel with a top wall having an opening to provide an inlet for downwardly directed gas from a scrubber and containing entrained scrubbing liquid, with a side wall having an opening near the top wall and with a bottom wall having an opening; a vertical cylindrical conduit extending downwardly in, and coaxially aligned with, said vessel from said opening in the top wall, to receive all gas passing downwardly through said opening, and spaced from the bottom wall; means within said vertical conduit to convert a generally annular flow of gas received in the top end of said vertical conduit to a helical downward flow about the longitudinal axis of said vertical conduit comprising elongated flat plates extending downwardly and outwardly, twisted in a helical manner about the longitudinal axis of the vertical conduit and extending inwardly from the inner surface of the vertical conduit to provide the major surfaces of each plate generally at radii of the circle at the various elevations of the vertical conduit, and at least one of the said extensions having a vertical downwardly inclined flange at one end constituting the outer tangential end of the extension, said plates extending below the vertical conduit; means between the vertical conduit and the bottom wall of the vessel to divert the helical downward gas flow to an outward flow and subsequent upwaRd flow, said means having at least the upper surface of the outer portion of said means below the vertical conduit as a conical surface; a gas-exit conduit extending generally tangentially from the opening in the side wall in a direction of a component of movement of the helical upward flow.
2. For use in combination with a gas scrubber, an entrainment separator for separating liquid particles from the gas discharged from the gas scrubber comprising: a vessel having a top wall with an opening therein to define an inlet for receiving gas discharged from said scrubber, a side wall having an opening therein to define an outlet for gas and a bottom wall having an opening therein; a vertical conduit mounted in said vessel and flow connected to the inlet of the vessel for receiving all of the gas discharged from said scrubber and spaced from said bottom wall; means mounted in said vertical conduit for converting the generally annular flow of gas received from the scrubber to a helical downward gas flow about the longitudinal axis of the vertical conduit; means for diverting substantially all of the helical downward gas flow to an outward and subsequent helical upward flow toward said outlet while simultaneously preventing reentrainment of liquid into the gas; said last-named means having a conical diverter mounted in said vessel below said vertical conduit and vertical baffles tangential to the vertical conduit and attached to said conical diverter in the path of said downward gas flow.
3. The apparatus of claim 2 wherein one end of said vertical conduit is closed by said conical surface and said vertical conduit is provided with at least one opening therein near said conical surface for discharging gas from said vertical conduit into said vessel.
4. For use in combination with a gas scrubber, an entrainment separator for separating liquid particles from the gas discharged from the gas scrubber comprising: a vessel having a top wall with an opening therein to define an inlet for receiving gas discharged from said scrubber, a side wall having an opening therein to define an outlet for gas and a bottom wall having an opening therein; a vertical conduit mounted in said vessel and flow connected to the inlet of the vessel for receiving all of the gas discharged from said scrubber and spaced from said bottom wall; means mounted in said vertical conduit for converting the generally annular flow of gas received from the scrubber to a helical downward gas flow about the longitudinal axis of the vertical conduit; means for diverting substantially all of the helical downward gas flow to an outward and subsequent helical upward flow toward said outlet while simultaneously preventing reentrainment of liquid into the gas; said last-named means having a conical diverter mounted in said vessel below said vertical conduit and at least one substantially flat plate twisted in a helical manner about the longitudinal axis of said vertical conduit and extending below the bottom of said vertical conduit.
5. An apparatus for use in the removal of material from a gas by scrubbing with a liquid and separating the resultant liquid particles from the gas in which the liquid becomes entrained, said apparatus including an entrainment separator which comprises: a cylindrical vessel with a top wall having an opening to provide an inlet for downwardly directed gas from a scrubber and containing entrained scrubbing liquid, with a side wall having an opening near the top wall and with a bottom wall having an opening; a vertical cylindrical conduit extending downwardly in, and coaxially aligned with said vessel from said opening in the top wall, to receive all gas passing downwardly through said opening, and spaced from the bottom wall; means within said vertical conduit to convert a generally annular flow of gas received in the top end of said vertical conduit to a helical downward flow about the longitudinal axis of said vertical conduit, comprising elongated plates extending downwardly and twisted in a helical manner about the longitudinal axis of the vertical conduit and extending inwardly from the inner surface of the vertical conduit to provide the major surfaces of each plate generally at radii of the circle at the various elevations of the vertical conduit, said conduit extending to said gas diverter between the conduit and the bottom wall of the vessel, said bottom end of said vertical conduit having generally triangular notches, with one side of each notch being vertical and another being curved downward in a concave manner from the top of vertical side to the bottom end of the conduit, and with the adjacent elongated plate having its outer edge at the conduit adjacent the curved edge of the notch; means between the vertical conduit and the bottom wall of the vessel to divert the helical downward gas flow to an outward flow and subsequent upward flow, said means having an upper surface that is angularly disposed and downwardly diverging; and a gas-exit conduit extending generally tangentially from the opening in the side wall in a direction of a component of movement of the helical upward flow.
6. The apparatus of claim 5 wherein the entrainment separator further includes vertical baffles that are mounted on the conical surface of the gas diverter below the vertical conduit and that extend tangentially from the vertical edges of the notches to reduce liquid pickup by gas, that flows helically down the vertical conduit, after it passes out of another notch.
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