Abstract: An evaporator for submerged combustion and delayed evaporation, a method of the same and a system of combined evaporation devices, the evaporator for submerged combustion and delayed evaporation comprises: a housing formed with a space for containing an evaporating liquid; a separator plate arranged in an interior of the housing and dividing the housing into a heat transfer (submerged combustion) area and an evaporation area; a vapor chamber located above a liquid surface of the evaporation area; a flue gas chamber located above a liquid surface of the heat transfer area, wherein the flue gas chamber is provided with a flue gas outlet, the flue gas outlet is provided with a pressure valve which is capable of controlling a gas pressure within the flue gas chamber such that a gas pressure within the flue gas chamber is larger than a gas pressure within the vapor chamber.

Abstract: An evaporator for submerged combustion and delayed evaporation, a method of the same and a system of combined evaporation devices, the evaporator for submerged combustion and delayed evaporation comprises: a housing formed with a space for containing an evaporating liquid; a separator plate arranged in an interior of the housing and dividing the housing into a heat transfer (submerged combustion) area and an evaporation area; a vapor chamber located above a liquid surface of the evaporation area; a flue gas chamber located above a liquid surface of the heat transfer area, wherein the flue gas chamber is provided with a flue gas outlet, the flue gas outlet is provided with a pressure valve which is capable of controlling a gas pressure within the flue gas chamber such that a gas pressure within the flue gas chamber is larger than a gas pressure within the vapor chamber.

Abstract: A full-automatic washing machine comprises a box body and a control panel seat that includes a control panel seat lower part inserted into an opening at the upper end of the box body and a control panel seat upper part exposed above the upper end of the box body, and the height ratio of the upper part to the box body is in a range of 0.02 to 0.07. Further, the control panel seat is a homocentric-square-shaped structure and comprises an outer peripheral wall and an inner peripheral wall, the outer peripheral wall is matched and connected with the upper end of the box body, the lower end of the inner peripheral wall extends into the box body to form a clothes input opening, and the height ratio of the outer peripheral wall to the inner peripheral wall is in a range of 0.25 to 0.5.