Special-shaped hydrogen mixer, method for improving hydrogen dissolving amount of oil product and hydrogenation reaction method

The invention discloses a special-shaped hydrogen mixer, a method for improving the hydrogen dissolving amount of an oil product and a hydrogenation reaction method. The special-shaped hydrogen mixer comprises a shell, a gas inlet, a liquid inlet and a gas-liquid mixing outlet, the shell comprises a large cylinder, a small cylinder and a circular truncated cone with openings in the upper bottom surface and the lower bottom surface, and the circular truncated cone is arranged between the large cylinder and the small cylinder; the air inlet is formed in one side of the large cylinder; the liquid inlet is formed in the other side of the large cylinder, and the vertical line from the center of the air inlet to the axis of the large cylinder is perpendicular to the vertical line from the center of the liquid inlet to the axis of the large cylinder; and the gas-liquid mixing outlet is formed in one side of the small cylinder. According to the special-shaped hydrogen mixer, the hydrogen dissolving amount and the gas