Solar Desalination Tank Glass & Steel Thickness

Need to know the volume and the dimensions of the tank, and if the tank has reinforcements in it, and what material you want to use. And how deep your vacuum is. A rectangular tank is a difficult one. Sphere or cylinder are more appropriate.

bottob is 500*500 mm

height is 10 mm side and 40 mm another side

the tank cover will be glass

this used in solar desalination

tank have 1 inch pipe supply and 4 inch outlet to condenser

pressure inside tank is 10 kpa (0.1 bar absolute)

YOUR ANSWER IS NOT OFF TOPIC: bottom is 500*500 mm height is 10 mm side and 40 mm another side the tank cover will be glass this used in solar desalination tank have 1 inch pipe supply and 4 inch outlet to condenser pressure inside tank is 10 kpa (0.1 bar absolute) Where are the resp. inlet and outlet? Is this a kind of looking glass in a water suction circuit?

no way its restriction for me these dimensions and configurations

if you know stress equations that i can use to calculate thickness or to calculate deflection please send me quickly

pipe inlet and outlet in the bottom face

the condenser outlet in the long side of 40mm the cover of tank is the glass and sustain the same vacuum pressure

The thickness of your glass is not the main issue, rather than how you apply it to the frame and how it is treated. You will need to provide a good frame and elastic seal and bed to lay your glass in or on. You will need glass that is tempered and according your box design the thickness will be 4 mm minimal = rather critical, 5 or 6 mm for that 500 X 500 frame. The glass has to be cut and hardened in this rank. Grind down the sharp edges on cuts and corners before hardening. (hardening is here the process to manufacture safety glass) If meant for mass production I should consider a casted box - epoxy coated.

thank you very much but how you calculate thickness of 4 mm as critical and what you recomended thickness of the glass?

Ha, 4 mm glass, made with sand from Mol (BE) is able to withstand the same pressure over that surface. I do not know where you live and how good the glass is there. That is why I recommend 6 mm. Approx. 2.2 to 2.5 tons 1kg/cm2. Ask your supplier. Uneven gasket or seat construction may change these figures drastically. Still wonder how you get to THAT vacuum?

See also the companion thread on this topic, which apparently was an accidental duplication of this thread, and was closed.

If the tank is not to be built to a vessel code, go back to first principles:

• Take theoretical slices through the tank and carry out a force balance on the slice plane. Repeat ad nauseam.

Rectangular tanks are less able to withstand pressure differences than tanks based upon curves; these withstand pressure differences better while using rather less structural material. That is why cylindrical vessels with dished ends and spherical vessels find better favour.

I think the OP is under the thumb of pointy-haired bosses who have restricted him from adopting good information.