Pressure-type alcohol stove

A pressure-type alcohol stove, comprising a stove body, an upper cover, a pre-heating pipe and an automatic liquid-feeding device, wherein the upper cover is arranged on the stove body and is matched with the stove body to form a vaporization cavity, the pre-heating pipe penetrates through the upper cover, the pre-heating pipe has a bottom end located in the stove body and a top end partially stretching out of the upper cover, a pre-heating cavity is formed around the pre-heating pipe, spirally-distributed spray holes are formed through the upper cover, air jet holes used for air jetting and pre-mixing are formed through an upper part of the pre-heating pipe, alcohol guide holes are formed in a lower part of the pre-heating pipe;

• wherein the automatic liquid-feeding device comprises two liquid level sensors, a controller, and an alcohol pump, wherein the two liquid level sensors are vertically arranged on a side wall of the stove body with one above the other, the alcohol pump has a liquid inlet communicated with an alcohol bottle via a pipe, the alcohol pump has a liquid outlet communicated with a liquid inlet at the side wall of the stove body via a pipe, and the controller is electrically connected to the two liquid level sensors and the alcohol pump.