Abstract: The present invention discloses an apparatus and a method for extracting a component in a solid by using nano-bubbles, the apparatus including a reaction container configured to hold a solid to be extracted, a nano-bubble generating device configured to generate a liquid containing nano-bubbles, and an energy generator, wherein the liquid containing nano-bubbles is used to be mixed with the solid to be extracted, and the energy generator is used to emit energy to the reaction container to burst the nano-bubbles and enhance the extraction effect of the solid in the liquid.

Abstract: The present utility model discloses an oil-smoke removal device, including an oil-smoke removal device body, which is provided with an air inlet at one end, and an air outlet at the other end, and an absorption and decomposition device for decomposing and absorbing the oil-smoke is provided in the middle of the oil-smoke removal device body. The oil-smoke removal device provided by the present utility model is a structure mainly applied for absorbing oil-smoke during barbecue, and it uses the absorption and decomposition device in the structure to achieve the objective of effective adsorption and decomposition of the oil-smoke contained in the oil-smoke gas, which greatly reduces the environmental pollution caused by oil-smoke emissions, resulting in a very good effect in the practical application.

Abstract: The present invention discloses an apparatus and a method for extracting a component in a solid by using nano-bubbles, the apparatus including a reaction container configured to hold a solid to be extracted, a nano-bubble generating device configured to generate a liquid containing nano-bubbles, and an energy generator, wherein the liquid containing nano-bubbles is used to be mixed with the solid to be extracted, and the energy generator is used to emit energy to the reaction container to burst the nano-bubbles and enhance the extraction effect of the solid in the liquid.