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Method and apparatus for efficiently extracting or separating nano-grade matter in solution

A nano-scale, high-efficiency technology, applied in ultrafiltration and other directions, can solve the problems of high sealing and firmness requirements of pipelines and filter devices, prone to potential safety hazards, and increase manufacturing costs, etc., to increase solution fluidity and regeneration. Strong force and long service life

Inactive Publication Date: 2006-10-25
何锡伶 +1
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Problems solved by technology

[0003] (1) Due to the use of pressurized filtration, the tightness and firmness of the pipeline and filter device are required to be high, which will increase the manufacturing cost. At the same time, because it is produced under pressure, it is prone to safety hazards
[0004] (2) Due to the use of pressurized filtration, it is difficult to backwash after the filter material is clogged, and the filter material needs to be replaced frequently, which will increase the cost of filtration and reduce the efficiency.

Method used

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  • Method and apparatus for efficiently extracting or separating nano-grade matter in solution

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Embodiment Construction

[0025] The present invention is described in further detail by the following examples.

[0026] figure 1 Shown is a schematic diagram of the device structure used to realize the method for extracting or separating nano-scale substances in the solution of the present invention. The device consists of a fine filtration system 37, an ultrafiltration system 38, a negative pressure suction system 39, a filter tube backwashing system and the entire device The program controller is composed. Below in conjunction with process method and its device structure and working process are described in detail as follows:

[0027] After the solution to be treated is coarsely filtered or precipitated, the coarsely filtered solution 20 containing substances (impurities) with a particle size below 15-20 μ is injected into the open container 37-1 of the fine filtration system 37, and when the solution is filled, start self-priming Pump 17, the solution of substance (impurity) particle size below ...

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Abstract

The present invention discloses a method for high-effectively extracting and separating nano-grade substance from solution and its equipment, belonging to the field of substance extraction and separation technology. Said equipment includes coarse filtration system, fine filtration system, ultrafiltration system, negative pressure suction system, back-flushing system and whole system program controller.

Description

technical field [0001] The invention relates to the technical field of substance extraction and separation, in particular to a method for high-efficiency extraction or separation of nanoscale substances in a solution and a device for realizing the method. Background technique [0002] For the method of extraction, purification or separation of tiny substances mixed in various solutions, when the particle size of the substance is between 0.1-1 mm, filter materials such as filter cloth and filter paper can be used to filter and separate. But when the micron of the substance is below 0.1 mm, the known technology usually uses a pressure pump with a pressure of 0.3-0.5Mpa or even higher to pressurize the solution to be treated through the pipeline into a sealed device or container equipped with a filter material for filtration Since filtration is carried out in pressurized or cross-flow pressurized, these filtration technologies have the following disadvantages: [0003] (1) Due...

Claims

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Application Information

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IPC IPC(8): B01D61/14
Inventor 何锡伶何剑庭
Owner 何锡伶
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