Bubble removing system

A bubble removing system, wherein, the bubble removing system comprises a main bubble removing device, and the main bubble removing device includes a first closed container, a first fluid lead-in pipe, a first fluid lead-out pipe and a bubble collecting member;

• and
• an inner cavity cross section of the first closed container is round, and the first closed container is configured for containing a fluid substance;
• the first fluid lead-in pipe passes through a side wall of the first closed container, is tangent with an inner cavity wall of the first closed container, and is arranged on an upper portion of the first closed container;
• the first fluid lead-out pipe passes through the side wall of the first closed container and is arranged on a lower portion of the first closed container;
• the bubble collecting member includes a hollow bubble collecting part and a communication part, the bubble collecting part is arranged in a center of a top of an inner cavity of the first closed container, so as to collect the fluid substance located on the top of the first closed container and rich in bubbles, the communication part is arranged outside the first closed container, and the communication part communicates with a hollow portion of the bubble collecting part.