Gholamreza Ahmadi

7 Questions 28 Answers 0 Followers

Questions related from Gholamreza Ahmadi

How can decrease the flow rate of two parallel cooling water pumps?

There are two parallel centrifugal pumps which pump about 25000 ton/h water toward a dry cooling tower. The system is using a sigma-pressure indicator system (to be sure that the coolers are...

23 December 2016 5,023 7 View

How can decrease the risk of applying expansion turbines instead of throttle valves in pressure reduction stations in power plants?

There is a natural gas pressure reduction station in natural gas-fired power plants. It is possible to install an expansion turbine and recover the energy of this compressed natural gas. However,...

06 December 2016 4,189 13 View

How can I use the energy of blow out steam with 230 C temperature and 0.1 bar pressure in thermal power plants?

There are some drain, blow out and etc steam that enters the boiler steam flash tank, which can not prevent them entering this tank. A part of this steam condensate and the other part vents out....

29 November 2016 9,093 5 View

Any experience in improving the capacity of natural draft dry cooling towers in thermal power plants?

I am looking for Particular solutions for increase the cooling capacity of an existing natural draft dry cooling tower in a 200 MW steam power plant, such as adding the height of radiators,...

25 November 2016 8,112 4 View

How can find that FWPs (Feed Water Pumps) in a steam power plant require repairs?

There are some SKF type high pressure feed pumps that work under conditions: Pout= 200 bar, Tout= 247 oC. I want to know that when this pumps should go under repairs.

17 June 2016 1,548 6 View

How does steam feed water heaters in an exist steam power plant can improve?

I want to know that in an exist steam power plant, what aspects (such as heat exchanging aria, level of condensate or etc) of the steam feed water heaters can improve? The modifications can...

17 June 2016 373 6 View

How can I increase extracted steam from steam turbine?

Im looking for a way to use extracted steam from steam turbine, such as CHP system, ORC system, or etc. When we want to convert the steam cycle of an exist steam power plant into combined cycle...

02 May 2016 8,415 5 View