Intermittent siphon type biological filter for aquaculture
An aquaculture, siphonic technology, applied in sustainable biological treatment, chemical instruments and methods, animal husbandry wastewater treatment, etc., can solve problems such as complex structure, achieve low operating costs, wide popularization and application, and convenient operation.
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[0036] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0037] see Figure 1-7 , an intermittent siphon type biological filter for aquaculture, comprising a filter material cylinder 9; the top of the filter material cylinder 9 is provided with an exhaust check valve 6, and the interior is fixed with a hollowed-out upper filter material baffle 7 and a lower filter material Baffle plate 8; a water inlet 1 is provided at a position higher than the upper filter material baffle plate 7 on the side wall of the filter material cylinder, and a water outlet is provided at a position lower than the lower filter material baffle plate 8 on the side wall. An inverted U-shaped water outlet pipe 2 is connected, and the end of the lower bend of the water outlet pipe 2 is lower than the water outlet; the filter material cylinder 9 is located near the height of the lower filter material baffle plate 8 and is provided...
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