[TRNSYS-users] cogenration feedwater heater to be connected with the next one

[1112102005 at ncepu.edu.cn]

Hi Jeff，
please see the attached file. thank you


> -----原始邮件-----
> 发件人: "Jeff Thornton" <thornton at tess-inc.com>
> 发送时间: 2014-07-18 22:17:52 (星期五)
> 收件人: "TRNSYS users mailing list at OneBuilding.org" <trnsys-users at lists.onebuilding.org>
> 抄送: "trnsys-users at lists.onebuilding.org" <trnsys-users at lists.onebuilding.org>
> 主题: Re: [TRNSYS-users] cogenration feedwater heater to be connected with the next one
> 
> A schematic showing the system you would like to simulate would help us answer your question.  Include short descriptions on the diagram and we'll do our best to help you get started.
> 
> Jeff Thornton
> TESS
> 
> Sent from my iPhone
> 
> > On Jul 17, 2014, at 9:47 AM, 1112102005 at ncepu.edu.cn wrote:
> > 
> > Hi，
> > I purchased TRNSYS 17 and all stec library. From literature(around 2005) I see that someone once used the feedwater heater to be connected with five parts: source steam inlet and oulet; feedwater inlet and outlet, another feedwater heater for drain water heat recovery. In my case, however, Type 622 can only be connected with 4 parts:
> > Steam Temperature at Inlet
> > Steam Flow Rate at Inlet
> > Steam Pressure at Inlet
> > Steam Enthalpy at Inlet
> > Condensate Temperature at Inlet
> > Condensate Flow Rate at Inlet
> > Condensate Pressure at Inlet
> > Condensate Enthalpy at Inlet
> > Terminal Temperature Difference
> > Drain Cooler Temperature Difference
> > Outlet Steam Temperature
> > Outlet Steam Flow-Rate
> > Outlet Steam Pressure
> > Outlet Steam Enthalpy
> > Outlet Condensate Temperature
> > Outlet Condensate Flowrate
> > Outlet Condensate Pressure
> > Outlet Condensate Enthalpy
> > 
> > 
> > Could you please inform me how to find out the fifth connection part? The feedwater must be heated by the extration steam as well as the hot water from another heater, and the steam and hot water are seperated, also the feedwater is seperated from the them.
> > 
> > 
> > 
> > Thank you !
> > Jingxiao Han 
> > 
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> > http://lists.onebuilding.org/listinfo.cgi/trnsys-users-onebuilding.org
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--
汉京晓
博士研究生
能源动力与机械工程学院
华北电力大学
北京 102206
TEL：13439438642
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