Apparatus for degassing a condenser operating in a thermal cycle专利检索-火力发电厂燃气和蒸汽发生器专利检索查询-专利查询网

Apparatus for degassing a condenser operating in a thermal cycle

阅读：500发布：2022-01-29

专利汇可以提供Apparatus for degassing a condenser operating in a thermal cycle专利检索，专利查询，专利分析的服务。并且A composite structure operating under a vacuum for condensing steam discharged from a turbine unit of a thermal power plant and de-gassing the condensate prior to feeding it back to the boiler for recycling comprises a condenser casing having an inlet for the steam which passes downwardly over a cooling tube bundle to effect its condensation. The condensate is then passed through a three stage de-gasifier to remove non-condensables such as oxygen. The first stage injects steam issuing from the subsequent stages into and atomizes condensate flowing downwardly on opposite sides of a gabled roof located beneath the tube bundle to accomplish an initial de-gasification; the second stage injects steam into a first tank filled by condensate collected from the roof to accomplish further de-gasification by the bubbling effect produced by the steam injection; and the third stage injects steam into and atomizes a layer of the condensate flowing across a weir from the first tank into a reserve tank to accomplish final de-gasification.，下面是Apparatus for degassing a condenser operating in a thermal cycle专利的具体信息内容。

权利要求

1. A COMPOSITE STRUCTURE OPERATING UNDER A VACUUM FOR CONDENSING STEAM DISCHARGED FROM A TURBINE UNIT OF A THERMAL POWER PLANT AND DE-GASSING THE CONDENSATE PRIOR TO FEEDING THE CONDENSATE BACK TO THE BOILER FOR RE-CYCLING WHICH COMPRISES A CASING HAVING AN INLET FOR THE STEAM, A COOLING TUBE BUNDLE ACROSS WHICH THE STEAM PASSES IN HEAT EXCHANGE RELATION THEREWITH TO EFFECT ITS CONDENSATION AND A THREE-STAGE DE-GASIFIER FOR TREATING THE CONDENSATE TO REMOVE NON-CONDENSABLES SUCH AS OXYGEN THEREFROM, SAID FIRST STAGE BEING ESTABLISHED BY MEANS INJECTING STEAM ISSUING FROM THE SUBSEQUENT STAGES INTO CONDENSATE FLOWING OVER A DOWNWARDLY SLOPING ROOF LOCATED BELOW THE COOLING TUBE BUNDLE THEREBY TO ATOMIZE THE CONDENSATE, SAID SECOND STAGE BEING ESTABLISHED BY MEANS INJECTING STEAM INTO A FIRST TANK FILLED WITH THE CONDENSATE FALLING FROM SAID ROOF THEREBY TO EFFECT A BUBBLING ACTION IN THE CONDENSATE, AND SAID THIRD STAGE BEING ESTABLISHED BY MEANS INJECTING STEAM INTO A LAYER OF THE CONDENSATE FLOWING ACROSS A WEIR FROM SAID FIRST TANK INTO A SECOND TANK TO EFFECT ATOMIZATION THEREOF.

2. A composite condenser and de-gasifier structure as defined in claim 1 wherein said roof covers said second tank thereby to prevent condensate from reaching it directly from said cooling tube bundle.

3. A composite condenser and de-gasifIer structure as defined in claim 1 wherein said first tank consists of two compartments located in side-by-side relation, the condensate flowing into and downwardly through one of said compartments as it leaves said roof and thence upwardly through the other compartment to reach said weir from which the overflow condensate discharges into said second tank, and wherein said means injecting steam into said first tank is located near the bottom thereof.

4. A composite condenser and de-gasifier structure as defined in claim 1 wherein said means for injecting steam into the layer of condensate flowing across said weir is constituted by a slit structure located beneath it and through which the steam issues.

5. A composite condenser and de-gasifier structure as defined in claim 1 wherein said roof slopes upwardly from both sides and includes outlets at each side constituting means by which steam issuing from the second and third stages is injected into the condensate as it flows downwardly over the roof.

6. A composite condenser and de-gasifier structure as defined in claim 5 and which includes a further outlet located below said roof constituting means by which steam issuing from said second and third stages is injected into the condensate as it discharges from the edge of the roof.

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Apparatus for degassing a condenser operating in a thermal cycle

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