Septic tank pump arrangement including a self-cleaning rotary strainer

摘要: A system for pumping effluent out of a septic tank contains an electric pump unit disposed coaxially within tube. rotary self-cleaning strainer has cylindrical filter screen that filters certain solid material from the flow through tube upstream inlet port. Effluent is conveyed pipe connected to outlet portion pumped one or more nozzles arranged wash screen. In embodiments, stationary and rotate, while in other are rotates. Depending on particular embodiment, may be either inside outside opposite direction spray nozzles.