Filtering and concentrating apparatus having stirring function

A filtering and concentrating apparatus, comprising a barrel, wherein one end of the barrel is provided with a first closure, and the other end of the barrel is provided with a second closure;

• the barrel the first closure or the second closure is provided with a feed port;
• one or more discharge pipes are provided on the inner wall of the barrel;
• microporous filtering mediums communicated with the interior of the discharge pipe are provided on the discharge pipe;
• an end portion of the discharge pipe is communicated with the exterior of the barrel;
• and a stirring means is provided inside the barrel;
• the discharge pipe is composed of one or more cylindrical pipes, the cylindrical pipe is provided with a plurality of mounting holes and the microporous filtering mediums are connected with the mounting holes;
• the microporous filtering mediums are filtering pipes;
• the filtering pipes are arranged on the top of the cylindrical pipe, or the filtering pipes are arranged on the bottom of the cylindrical pipe, or the filtering pipes are arranged on the top and the bottom of the cylindrical pipe crisscross;
• the plurality of cylindrical pipes are concentrically arranged, and adjacent cylindrical pipes are communicated;
• and the cylindrical pipes are circular pipes or regular hexagonal pipes;
• a plurality of filtering pipes on the same cylindrical pipe are connected together by a clamp strip and/or a clamp hoop;
• and
• supporting pipes are arranged inside the filtering pipes;
• the filtering pipes are arranged on the supporting pipes;
• one end of each supporting pipe is arranged on the discharge pipe;
• and the supporting pipe is provided with a plurality of circulation holes or circulation grooves.