Tube and shell heat exchangers专利检索-潜热换热器专利检索查询-专利查询网

Tube and shell heat exchangers

阅读：224发布：2023-12-25

专利汇可以提供Tube and shell heat exchangers专利检索，专利查询，专利分析的服务。并且This invention relates to tube and shell heat exchangers in which a vapour gives up it''s latent heat and in so doing condenses in the tubes while a fluid passing through the shell over the tubes is heated. Flow restricting devices are arranged in the flow path for the vapour to the tubes and the number and effectiveness of these devices is arranged so that there is about the same amount of excess vapour flowing out of the outlet of each tube irrespective of how much vapour has been condensed in that tube, the excess vapour from the tubes being recirculated.，下面是Tube and shell heat exchangers专利的具体信息内容。

权利要求

1. A condenser comprising: a shell; a cooling fluid inlet for allowing cooling fluid to flow into said shell; a cooling fluid outlet for allowing said cooling fluid to flow out of said shell; an inlet manifold positioned within said shell for receiving vapor; an outlet manifold positioned within said shell; a plurality of tubes connecting said inlet manifold with said outlet manifold for directing vapor from said inlet manifold to said outlet manifold, so that said vapor is cooled by indirect heat exchange with said cooling fluid and said vapor is partly condensed to liquid which flows to said outlet manifold; and a number of flow restricters in said inlet manifold spaced to control the flow of vapor into said tubes so that the closer a tube is to the fluid inlet in the flow path of said cooling fluid the more vapor enters it and the more heat from said vapor will be absorbed each of said tubes receiving enough vapor to insure that vapor exits from each tube and enters said outlet manifold.

2. The condenser defined in claim 1 further comprising a conduit connecting said outlet manifold with said inlet manifold so that vapor which has flowed from said tubes into said outlet manifold is recirculated to said inlet manifold, and means to remove a portion of said recirculating vapor from said conduit to limit the amount of uncondensable gases flowing through said conduit into said inlet manifold.

3. The condenser defined in claim 2 further comprising a pump in said conduit to induce said recirculation.

4. The condenser defined in claim 3 wherein said pump is connected with a vapor feed line to mix new vapor with said recirculated vapor for injection into said inlet manifold.

5. The condenser defined in claim 4, wherein said means to remove a portion of said recirculating vapor is positioned upstream of said pump.

6. The condenser as defined in claim 1, in which said inlet and outlet manifolds are substantially upright with said tubes extending substantially horizontally, said flow restrictors being nozzles positioned along the length of said inlet manifold to progressively restrict the flow of vapor upwardly through said inlet manifold to thereby control the amount of said vapor supplied to said tubes.

7. A condenser as defined in claim 1 wherein said flow restrictors comprise partitions which extend into said inlet manifold parallel to the direction of flow of said vapor and partitions connected with the ends of said first defined partitions and extending at an angle thereto with said last defined partitions being provided with orifices of predetermined definite sizes to regulate the flow of vapor between said first defined partitions and into said tubes.

8. The condensers defined in claim 7 wherein said tubes are U-shaped so that said inlet manifold and outlet manifold are positioned on the same side of said plurality of tubes.

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Tube and shell heat exchangers

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