| 摘要 |
The present invention provides an internal-circulating fluidized bed bioreactor, comprising: a reactor, a water groove, at least one three-phase separator, a gas collection tube, a backflow tube, a backflow pump and at least one circulating jet device, wherein the water groove is installed at the upper end of the reactor, the water groove is divided into an inner water groove and an outer water groove, the circulating jet device is installed in a reaction area in the reactor, the circulating jet device comprises an inner tube and an outer tube installed at the outer side of the inner tube in a sleeving manner, the upper end of the outer tube is connected with the inner water groove and provided with a plurality of inflowing gaps in the periphery thereof, the inner tube is connected with the water outlet port of the backflow pump by the backflow tube, the water inlet port of the backflow pump is connected with the outer water groove by the backflow tube, one three-phase separator is installed above each circulating jet device, the three-phase separator is used for guiding the separated gas in the gas collection tube, guiding the separated liquid in the outer water groove, and retaining the separated solid in the reactor; the reactor is capable of realizing the functions of high organic load, high treatment efficiency, impact load resistance, energy conservation, and stabile and good effluent quality, as well as capable of being used for anaerobic and aerobiotic treatments on organisms. |
