Can you pump out a restaurant with an exhaust air height of 50 meters?

In this case, you generally only do exhaust air, and you can estimate the number of people in your restaurant, and then press 30m3 hours per person.

If you are making something with a lot of smoke such as hot pot, it is still necessary to do exhaust.

Actually, you can do that!

Buy a big exhaust fan! Connect the flue and each table in series! >>>More

Look at your description, the door should be facing the balcony, this is very bad, you use the fish tank as a porch is a good choice, one is to block the entrance of the gas straight rush, the other is the fish tank next to the gate, and there is a role in attracting wealth, it is a good choice, the height of the fish tank is no problem.

Projection, curtain, sound to do it! ~