The invention discloses an assembled
membrane bioreactor. The
membrane bioreactor is formed by splicing multiple functional tank bodies communicated through a pipeline, wherein each functional tank body comprises a regulating
pool functional tank body, an aerobic
pool functional tank body, an anoxic
pool functional tank body, and a functional tank body used as a
control room; the aerobic pool functional tank bodies and the anoxic pool functional tank bodies are orderly and alternatively arranged in a matrix way. The
membrane bioreactor disclosed by the invention is formed by splicing the multiple functional tank bodies, and the number of the aerobic pool functional tank body or the anoxic pool functional tank body can be properly added or reduced and the arrangement way of the aerobic pool functional tank bodies or the anoxic pool functional tank bodies can be changed according to actual demand and
water depth demand of the
engineering, thereby realizing the regulation of
sewage handling capacity, and the field installation is convenient, and the transportation is convenient; a multi-layer membrane component is used in the membrane
bioreactor, compared with a single-layer membrane component with the same membrane element number, the floor area of the membrane component is greatly reduced in the premise of guaranteeing the
effluent effect; the floor area is reduced by 50%, an
aeration rate is reduced by 36%, and the
energy consumption and the economic cost are effectively saved.