Aeration and filtration treatment device for aquaculture wastewater
A technology for aquaculture and treatment equipment, which is applied in the direction of filtration separation, filtration circuit, separation method, etc., which can solve the problems of reduced filtration efficiency, failure of the filtration layer, and reduction of filtration effect, and achieves convenient operation, good filtration effect, and equipment utilization. high effect
Active Publication Date: 2017-02-01
MARINE FISHERIES RES INST OF ZHEJIANG
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Problems solved by technology
[0007] Another purpose of the present invention on the basis of the first purpose is to provide an aeration and filtration treatment device for aquaculture wastewater in order to overcome the deficiencies in the prior art mechanical filtration devices. The mechanical filtration equipment in the device is easy to operate, and the equipment High utilization rate, good filtration effect, can effectively clean up suspended solid particles in aquaculture wastewater; and can effectively solve the problem that the filter layer is easy to block during the filtration of suspended solid particles, causing the filter layer to fail, reducing the filtration efficiency and the filtration effect. question
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[0042] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0043] Such as figure 1 As shown, an aeration and filtration treatment device for aquaculture wastewater includes a sedimentation tank 1c, an aeration tank 2c, a mechanical filtration device 3c and an aeration tank 4c. In the sedimentation tank, several partition walls 1c1 are arranged to divide the sedimentation tank into tortuous water flow channels. There is an aeration device at the bottom of the aeration tank. An aeration machine is provided in the aeration pool.
[0044] Such as figure 2 As shown, the mechanical filtering device 3c includes a frame, a garbage collection bucket 17 with an upper end opening, a water suction pipe 3c1, a first drain pipe 3c2, a second drain pipe 3c3, a water pump 1, and a self-cleaning device 7 coaxially arranged on the frame The guide pipe 2 and the cleaning pipe 3 are coaxially arranged on the first sha...
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The invention discloses an aerated filtration treatment device for aquaculture wastewater and aims to provide an aerated filtration treatment device for aquaculture wastewater, wherein the device can be used for circularly treating and recycling aquaculture wastewater. The device comprises a settling pond, an aerating pond, mechanical filtration equipment and an oxygenation pond, wherein the settling pond is communicated with the aerating pond; the mechanical filtration equipment comprises a suction pipeline, a water pump and a first drainage pipe; one end of the suction pipeline is connected with the aerating pond while the other end of the suction pipeline is connected with the water inlet of the water pump; the water inlet opening of the first drainage pipe is communicated with the water outlet of the water pump while the water outlet opening of the first drainage pipe is connected with the oxygenation pond.
Description
technical field [0001] The invention relates to a water particle cleaning device, in particular to an aeration and filtration treatment device for aquaculture wastewater. Background technique [0002] In recent years, with the rapid development of high-density artificial aquaculture and the aggravation of aquaculture environmental pollution, the degree of pollution of aquaculture water far exceeds the purification capacity of the water itself. Pollutants formed by residual feed and fish excrement in the process of artificial aquaculture cause water body self-pollution and even water quality deterioration, manifested as: severe eutrophication of water body, increase of suspended solids in water body, biological oxygen demand, chemical oxygen demand , nitrite nitrogen, etc. content increased, dissolved oxygen decreased. [0003] The traditional aquaculture wastewater treatment method is to discharge the aquaculture water and inject it into a fresh water body; this kind of aqu...
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IPC IPC(8): B01D36/04
Inventor 朱剑
Owner MARINE FISHERIES RES INST OF ZHEJIANG