The biggest one in my career

[Josip]

Hello to all :)

Commissioning and start up of Howden MK2S 510 WRVTAS 51019336 with drive motor of 3800 kW so far is the biggest one in my career.

Some additional info:

Refrigerant is NH3

Suction temp in evaporator 1oC i.e. 4oC at compressor suction

Condensing temp=50oC, Condensing pressure = 21,2 kg/cm2 a

Water cooled S&T condenser ...

Motor speed 1800 rpm ....2000 rpm is max for this compressor ...

Design heat load Q= 11,8 Gcal/h


It is not easy to imagine the size of complete unit ....


Best regards, Josip :)

[Grizzly]

Impressive Josip.
What were your nerves like when you first turned in on?
Just like stage fright!
Irrespective, I am always nervous when switching anything on for the first time.
Grizzly

[PaulZ]

Hi Josip
I would be interested in seeing a photo of the beast.
I am like Grizzly always a bit nervous before the first start.

Paul

[Josip]

Hi,

not started yet ... still in commissioning phase .... I'll inform you ...

need to check a lot of things before we can push a start button

last year started one WRVT 365 ... good feeling ....

of course I'm always a bit or more nervous ;)

.... show me one who is not nervous during first start ...

unfortunately cannot take and post a photo - forbidden on this plant


... in general it is looking like a huge locomotive .... here is possible to find some more general info about ...


http://www.howden.com/Resources/Product%20Brochures/Rotary%20Twin%20Screw%20Compressor%20Brochure%202014.pdf#search=brochure

Best regards, Josip :)

[Magoo]

Hi Josip.
definitely a massive system, pics would be good. What voltage motor was starting the beast.
I bet the first live start was an anxious moment, it is always for me.

[Josip]

Hi, Magoo :)


Hi Josip.
definitely a massive system, pics would be good. What voltage motor was starting the beast.
I bet the first live start was an anxious moment, it is always for me.


Squirrel cage, 4 poles, 13200 V and weight about 24700 kg Hyundai Mfg.

It is normal to be anxious ... regardless of all checks ... Murphy is always around :eek:

Best regards, Josip :)

[Magoo]

Hi Josip
I am impressed, and yes Murphy haunts me on occasions as well.
I can only imagine the motor drive, a large steel box with a shaft and coupling out one end, with the national grid attached. I have seen them at pulp mills and kept walking. Howden still do the best screw in my opinion. post some pics please.

[Lodiev]

Hi guysI also just started up 2x WRV 204 Howden screws and had a lot of problems with the first package.But it's sorted now, not as huge as this one of Josip but always an anxious moment.Josip in what kind of industry did you install that beast?

[smpsmp45]

Very interesting. What is the industry using this huge capacity?

[chemi-cool]

But, can you handle this one?
11960

[MikeHolm]

But, can you handle this one?
11960

Now, THAT, is more my speed, haha

[Josip]

Hi, smpsmp45 :)


Very interesting. What is the industry using this huge capacity?

This is urea production plant ...

Best regards, Josip :)

[Josip]

Hi, chemi-cool :)


But, can you handle this one?
11960


Of course, similar one I have within my PC ;) using magnifying glass for maintenance ...

Best regards, Josip :)

[mikeref]

5,093 Horse Power. Some serious torque there. Hope it starts and runs without any significant problems.
Thanks for sharing.