Sewage treating device and process

Sewage treating device and process

  • CN 101,274,810 B
  • Filed: 05/20/2008
  • Issued: 10/16/2013
  • Est. Priority Date: 05/20/2008
  • Status: Active Grant
First Claim
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1. waste disposal plant, comprise biological reaction tank and membrane separation plant, it is characterized in that described membrane separation plant is arranged at the biological reaction tank outside, there is the cloth wetting system described biological reaction tank inside, and described cloth wetting system is shape or the ring-type water distribution pipe network that is comprised of a plurality of perforated pipes;

  • The internal tank of described membrane separation plant inside or splendid attire membrane separation plant has aerator, the container of described membrane separation plant or splendid attire membrane separation plant and described biological reaction tank are connected by pipeline, described pipeline comprises the feed liquid supply-pipe of the mixed solution in biological reaction tank input membrane separation plant and the concentrated solution in the membrane separation plant is back to the feed liquid return line of biological reaction tank, the position that described feed liquid supply-pipe is connected with biological reaction tank is in top or the downstream of biological reaction tank, the position that described feed liquid return line is connected with biological reaction tank is in bottom or the upstream of biological reaction tank, the position that described feed liquid supply-pipe is connected with the container of described membrane separation plant or splendid attire membrane separation plant is in the bottom of the container of described membrane separation plant or splendid attire membrane separation plant, described feed liquid return line is connected by the container of two branch roads with described membrane separation plant or splendid attire membrane separation plant, the position that one of them branch road is connected with the container of described membrane separation plant or splendid attire membrane separation plant is in the top of the container of described membrane separation plant or splendid attire membrane separation plant, and the position that another branch road is connected with the container of described membrane separation plant or splendid attire membrane separation plant is in the bottom of the container of described membrane separation plant or splendid attire membrane separation plant;

    With the pipeline that links to each other through the liquid outlet of described membrane separation plant the water pump of going out is being arranged;

    Described waste disposal plant also comprises scavenging pump, the pipeline that links to each other with the water outlet of described scavenging pump is divided into two branch roads, a branch road links to each other with the pipeline of the water sucking mouth that goes out water pump with the liquid outlet that sees through that is connected described membrane separation plant, which is provided with the reverse cleaning valve, another branch road links to each other with the pipeline of the aerator of the internal tank that is connected described membrane separation plant inside or splendid attire membrane separation plant, which is provided with the forward wash-out valve.

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