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Retrievable System Designs

2024-05-15

Latest company news about Retrievable System Designs

Small Unit Retrievable System

 

Design Characteristics

 

Retrievable systems are easy to install and does not require to drain the tank. By using a support pipe as a lifting device, the diffusers can be directly lifted out to the surface for cleaning and maintenance. This will keep the aeration system at optimum performance. Through methods such as single unit with two diffusers, single unit with four diffusers and all underwater components are made of stainless-steel support, with a long service life.

 

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Single Unit with Four Tube                       Single Floating Unit with Two Tube Diffusers

 

Sample References

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Single Unit with Six Disc Diffusers Single Unit with Four Tube Diffusers    Single Unit with Two ECD500 Diffusers

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Unilateral Retrievable System

 

Frame  style unit design, with a lifting device installed on one side of the tank and using the lifting device to lift the aeration unit.

 

Design Sample

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Each retrievable unit with 20 sets of AFT-S21000

Snappy Saddle Connection

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Each retrievable unit with 10 pcs of AFT-N21000 (3/4” NPT nipple connection)

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Sample References

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Bilateral Retrievable System

Frame style unit design, fixed guide rods are installed on the two side walls of the tank, and a lifting device is used to place the prefabricated aeration system along the guide rods at the bottom of the pool. Suitable for square shaped aeration tanks.

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Single Unit Retrievable System

Frame style unit retrievable system, directly placing the aeration grid at the bottom of the tank through a mechanical lifting device, and using stainless steel pipes or rubber hoses for the air inlet pipe.

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Retrievable unit with 44 pcs of tube diffusers,connected via stainless steel drop pipe with removeable flange.

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Retrievable unit with 12 disc diffusers, connected via rubber hose to a stainless steel grid.

 

Single Unit Retrievable System

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Single Floating Unit Retrievable System

Designed as a frame cell, it is connected to the float by a steel cable, sinks under water by its own weight and floats on the surface. The frame cell aeration group is lifted by mechanical lifting device together with the float, and the inlet pipe is made of rubber hose. This design is commonly used in river and lake management.

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Retrievable Retrievable Devices

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Single arm rotating lifting device

Suitable for unilateral retrievable systems

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Advantages and Disadvantages

  1. Do not need to drain tank, no need to stop production;Can avoid economic losses caused by shutdowns.
  2. Simple installation, inspection, and maintenance;When required to replace diffusers, can lift system out of tank, will not affect the remaining units in operation

  3. In replacement projects, previous fixed grid system can remain in basin;The original fixed grid system at the bottom of the tank does not need to be removed and can be directly installed. This will shorten the construction period.

Disadvantages

High cost: Compared to traditional fixed grid systems, retrievable systems are more costly.

 

Areas of Application for Retrievable

  1. New Plant
  2. Retrofit Existing Plant
  3. Upgrade Plant
  4. Frequent Diffuser Replacement Required

 

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