Thank you guys for the advice.
However, our client considers:
- electric hoist & trolley w/ festoon to be too expensive for once per year operation, in addition maintenance for hoist/trolley motor need to be considered also.
- chain loop to drive the bridge, the span of trolley beam is very...
Dear Gentlemen,
Appreciate if you can put some light in to my problem.
Client has agreed to install a manual push/pull trolley and manual hoist (0.5 ton) over series of tanks with mixers.
Due to compact layout, the operator will only able to guide the hoist (and trolley) from the side way...
@Compositepro..
If you would kindly explain the influence of viscosity of the mixed fluid as damper..
We are mixing 3000 cp fluid (polymer) using above mentioned mixer.
Kind regards,
Hai, sorry for the late response,
@Latexman,
here is the detail of one of the agitator:
Impeller diameter: 400 mm
Revolution : 200 /min
Shaft Diameter : 40 mm
Shaft Length : 2400 mm
Pitch : 600 mm
Modulus Longitudinal Elasticity : 1.97 x 10E6 kgf/cm2
Impeller Weight 1: 2.5 kg
Impeller Weight 2...
Dear Gentlemen,
Is there any standard that we can use as reference for critical speed margin of upright mixers?
For example, our vendor claims that it is 10% bellow and above Nc (critical speed), i.e. 90%<Nc<110%, while other source from internet mention 30%.
This of course creates disputes...
Well, @EngineerTex, my project is onshore..
I believe DNV is a rule for building offshore container and it's fixing method,
do you have anything else in mind?
It should be simple square frame skid, what i need is a procedure to calculate/determine the size.
Hey guys,
Maybe most of you dealt with Chemical Injection Pack. before, but mine is a bit larger than usual.
I need to mount 2.5m D x 3m H FRP tank complete with mixer and two injection pump on each skid.
I have no problem with the pumps which are small, but the tank is a bit too large for...
Thanks @dik & @CoryPad,
What about option B with addition 100 micron of PU layer? (which means 160 micron in total). Thus the epoxy will be protected all the same.
Kind regards,
Hai all,
I'm working on waste water project right now, and the project site is around 33 deg C with 90% humidity. That is why we require our contractor to apply Polyurethane on top of epoxy layer to avoid chalking.
But I wonder if this also applies for Galvanized surface?
Which one of...
