Microfilter

A technology of microfilter and filter barrel, which is applied in filtration and separation, mobile filter element filter, separation method, etc., can solve the problems of seawater corrosion resistance, easy clogging of screen holes, and high energy consumption, and save energy consumption and weight. Light, overcoming the effect of easy rust

Inactive Publication Date: 2003-07-16
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to overcome the deficiencies of the existing microfilters such as not being resistant to seawater corrosion, high energy consumption, and easy clogging of meshes, the present invention provides a microfilter which can be used in seawater for a long time and has low energy consumption. advantage

Method used

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Embodiment Construction

[0011] Such as Figure 1~2 As shown, the circular filter barrel 6 of the outer cover screen of the present invention is placed in the water storage tank 5 and communicated with the water inlet pipe 1. The filter barrel 6 is connected to the low-speed motor 3 (the rotating speed is 7 rpm) through the rotating shaft, and the low-speed The motor 3 is supported by the motor support 4, and the backwash device is installed above the filter bucket 6. The backwash device is composed of a backwash pipe 8 and a backwash nozzle 7 installed on the backwash pipe 8. The backwash nozzle 7 is hollow It is a cylinder with a length of 10 mm and an inner hole of 3 mm. A backwash channel is set in the filter bucket 6 to connect with the sewage pipe 9. The backwash channel is set in the upper half of the filter bucket 6 to keep the sewage water level low enough to make the reverse The flushing channel does not touch the water, the backwashing channel collects the backwashing water and flows to the...

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Abstract

A microfilter for removing the particles suspended in water used for marine culture is composed of a filter drum covered by a screen net and with a rotary shaft, a motor connected to the said rotary shaft for making the filter drum rotate, a back-flushing unit above the said filter drum for removing the particles from the said screen net, and the back-flushing channel for collecting the backflushing water and draining it.

Description

Technical field [0001] The invention relates to the field of water treatment for mariculture, in particular to a microfilter for filtering and removing suspended particles in water. Background technique [0002] Filtration is one of the effective methods to remove suspended solids in water, and it is the main means for solid-liquid separation in aquaculture systems. In industrial aquaculture production of fish and shrimp, microfilters are often used to remove suspended particles in water. At present, the microfilters often used in production are generally made of cast iron, stainless steel and other materials. They are used in production, especially in Used in seawater fish and shrimp farming production, it is not resistant to seawater corrosion and is prone to rust, which not only affects the normal use of the machine, but also rusted material debris is easy to fall into the treated water and into the breeding pond, affecting the normal growth and development of cultured or...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K63/04B01D33/06
Inventor 刘鹰杨红生张涛刘保忠周毅刘石林张福绥
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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