Biomass boiler economizer for organic silicon production

The utility model discloses a biomass boiler economizer for organic silicon production, which comprises an economizer body, the economizer body is of a cylindrical cavity structure, a heat exchange pipe is arranged in the economizer body, a buffer cavity is arranged at the bottom of the economizer body, a plurality of connecting pipes are arranged on the upper side wall of the buffer cavity in a penetrating manner, and the connecting pipes are connected with the heat exchange pipe. The energy saver comprises an energy saver body, heat exchange pipes are arranged in the energy saver body, a buffer cavity is formed in the bottom of the energy saver body, the upper end of each connecting pipe penetrates through the lower side wall of the energy saver body, the heat exchange pipes are spiral, the number of the heat exchange pipes is two, and the two heat exchange pipes are arranged side by side. Flue gas passes through the buffer cavity and is injected into the energy saver body through the connecting pipe, heat