摘要:
A two-stage steam condenser (70) prevents freezing from occurring in its tube rows (80,102) by continual purging of the tube rows. Such continual purging prevents any steam from back-flowing into a tube row (80,102) thereby eliminating the possibility that condensate or noncondensable gases will become trapped therein. This is achieved by isolating each of the tube rows (102) in the second stage (92) of the condenser (70) so that the pressure of one tube row is not exposed to the pressure occurring in another adjacent tube row. The condensate collected in the various tube rows (102) of this second stage (92) is delivered to a common drain pot (114) that is hydraulically balanced to accommodate the various pressures in these tube rows (102). Such hydraulic balancing also prevents any back-flowing from occurring from one tube row (102) into another. Furthermore, in this second stage (92) of the steam condenser (70), the steam (88) and resulting condensate both flow concurrently downward while any noncondensable gases (94) are vented counter-currently upward against such steam and condensate flow.
摘要:
A seal joint for an arrangement for separating a gas and liquid mixture, the arrangement having a vessel with an inlet for entry of the gas and liquid mixture and an outlet for exit of a separated gas, and a centrifugal separation cyclone in the vessel for centrifugally separating the gas from the mixture. The vessel includes an internal tubular member (16) having an open end and an inlet tube (14) having an open end extending toward the open end of the internal tubular member. A seal joint ring (18) is fixed to the open end of the internal tubular member. The ring has an annular trough which is open toward the open end of the inlet tube and a gasket (22) is provided in the trough and is engaged by the open end of the inlet tube for sealing the open end of the inlet tube to the open end of the internal tubular member.
摘要:
A heat pipe (10) has an elliptical cross-section. Heat exchange fins (60) are mounted to the heat pipe (10) at the condenser end (50). The fins (60) are galvanized on the heat pipe (10). Spacer pins (65) can be used to support and space the heat exchange fins (60) from each other. Internal spacers can be provided within the heat pipe (10) to add support to the heat pipe structure for longer heat pipes.
摘要:
An integral deaerator (10) for a condenser has a main steam duct (40) connected to a condenser duct (30) by a riser (60). The condenser duct (30) is inclined slightly downwards toward the riser (60) and a weir (50) is positioned at the connection between the riser (60) and the condenser duct (30) to prevent condensate from draining directly into the riser (60). The condenser duct (30) has a drain (70) for draining a condensate from within the condenser duct (30) to a distribution header (80) for distributing the condensate within the riser (60). Steam is provided to the main steam duct (40) for condensation in the condenser and while in transit, the steam heats and deaerates the condensate. At least one drain boot (20) is connected to the bottom of the main steam duct (40) for draining deaerated condensate.
摘要:
A cooling system for passively cooling an enclosure (18) incorporates at least one inclined heat pipe (24) having an evaporator side (22) extending within the enclosure (18) and a condenser side (28) extending outside the enclosure (18) in contact with the ambient environment (30). A thermal storage device (12) within the enclosure (18) has a first portion (14) extending outside and adjacent the evaporator side (22) of the heat pipe (24) and a second portion (20) extending within, and generally concentric with, the evaporator side (22) of the heat pipe (24). A solid-to-liquid phase change material (26) is sealed within this thermal storage device (12) such that this material (26) changes to a liquid upon the absorption of heat. To further enhance the transfer of heat from within the enclosure (18) to outside the enclosure (18), a series of fins (44) can be added to the first portion (14) of the thermal storage device (12) as well as to the condenser side (28) of the heat pipe (24). Additionally, a series of internal fins (46) can be mounted to the second portion (20) of the thermal storage device (12) which would preferably be submerged in the working fluid (32) contained within the evaporator side (22) of the heat pipe (24).
摘要:
A heat pipe (10) has an elliptical cross-section. Heat exchange fins (60) are mounted to the heat pipe (10) at the condenser end (50). The fins (60) are galvanized on the heat pipe (10). Spacer pins (65) can be used to support and space the heat exchange fins (60) from each other. Internal spacers can be provided within the heat pipe (10) to add support to the heat pipe structure for longer heat pipes.
摘要:
A seal joint is for an arrangement for separating a gas and liquid mixture having a vessel with an inlet for entry of the gas and liquid mixture and an outlet for exit of a separated gas, and a centrifugal separation cyclone in the vessel for centrifugally separating the gas from the mixture. The joint requires the vessel to have an internal vessel flange (10) defining a flange opening (12). An inlet tube (14) extends into the flange opening. A first retaining ring (16) having a first outer ring (18) which engages the flange, also has a first inner ring (20) portion extending around the inlet tube in the flange opening. A second retaining ring (22) has a second outer ring (24) engaged with the flange and a second inner ring (26) extending around the inlet tube in the flange opening. An O-ring (28) is engaged around the inlet tube and between the first and second inner rings and fastening bolts are use for fastening the first and second outer rings to the flange, around the flange opening for deforming the O-ring against the inlet tube.