Recent content by Thuba

Hi Pierreick, we modified the pump currently so as to have suction on the drive side. The pump is pump is working perfectly fine, as we tried the direction as per nameplate, but it didnt pump. We then reversed the pump direction and it didnt pump. So l am just questioning why it only pumps when...

Thank you sir, so for attached set up, the rotation should be the one shown on pump name plate(shown as red arrow)? And can we say we have suction lift here?

Attached is a screw pump with a motor coupled on the side. The pump shows the direction it should run,but that will require motor to run anticlockwise and does not pump. lt only pumps when the motor runs clockwise and the pump running wrong direction.

Goodday, How can l use AI to measure dust accumulation on solar panels and automatically clean them?

l have a tank 2m ×2m×2m. So my volume is 8m3. l want to be able to to siphon the liquid at 16m3/h, using it as a purge line for my hotwell. l could have installed a pipe and a valve at a bottom of the tank, but the problem this will need a shutdown. My question is there any equation to calculate...

yes sir, estimating as we don't have a flowmeter?

This is one steam line from the superheater then branches as ahown to each tray and at the end is a steam trap, which directs condensate to the steam condensate tank. The pressure gauge is installed as shown and reads 0.5bar gauge; and the pressure in the vessel is -1 bar gauge (vacuum). Just...

We use sparging steam fo agitation and stripping in a deodorizer column. Is there a way l can calculate steam consumption of the continuous deodorization column. We use superheated steam, we superheat saturated steam from boiler house using thermic fluid in a superheater. Attached is a schematic...

Thank you guys. Now l understood the principle. Yes throttling a valve definitely reduces flowrate. Mass is conserved, as throttling a valve increases pressure drop/back pressure hence flowrate upstream a valve will decrease too. For a pump the pump curve will shift left, as the pump head will...

Thanks for your reply. For liquid, the flowmeter (volumetric flowrate) reads the same regardless of the valve.

Thank you. yes l understand the principle of conservation of mass/ mass balance. But surely opening a feed valve to a vessel leads to more mass entering a vessel. Conversely, 2 flowmeters placed before and after a restricted valve will read differently.

l saw this article on LinkedIn, and applying this theory to practical, didn't add up. The way we reduce flowrate to a vessel, either for a liquid or steam is by restricting flow, increasing pressure drop and resulting in a lower flowrate downstream of the valve. ln this case it seems, for liquid...

l have a similar loop, on the outlet of the tank. l understand the siphon will act as a pump to suck liquid hexane frome solvent-water tank to hexane tank underground. My question is in this case, can't we just let the liquid hexane overflow whenever the liquid level is high enough. Why is it...

Thanks Snickster. l get it now, assuming there is no steam pressure or its low, then the oil can get in the direct steam holes and flow to the steam line. Pretty much it acts non return valve.

Sorry my bad, its a stripping steam line, direct injection of steam to the oil for purposes of stripping and agitation. Can that loop somehow eliminate condensate from live steam?