A device with self-cleaning function that can be used for in-situ seawater filtration and its use method

A self-cleaning, in-situ technology, applied in the direction of filtration and separation, separation methods, chemical instruments and methods, etc., can solve the problems of filter blockage, self-cleaning function and other problems, and achieve the effect of prolonging service life, simple structure and reliable function

Inactive Publication Date: 2016-04-06
TONGJI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, after the seawater filter itself has been used for a period of time, the filter element may also be clogged
At present, some existing seawater filtration devices usually do not have self-cleaning function.

Method used

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  • A device with self-cleaning function that can be used for in-situ seawater filtration and its use method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 As shown, the device consists of a water inlet pipe 1, a water inlet valve 2, a first seawater pump 3, a first overflow valve 4, a bladder 5, a water storage valve 6, a bolt 7, an upper end cover 8, a sealing ring 9, and a filter cartridge Body 10, filter element 11, outlet pipe 12, outlet valve 13, flow rate detector 14, drain pipe 15, drain valve 16, second seawater pump 17, lower end cover 18 and second overflow valve 19.

[0025] The annular filter element 11 is placed in the filter cylinder 10, fixed by the upper end cover 8 and the lower end cover 18, and sealed with a sealing ring to form an inner cavity and an outer cavity, wherein the inner cavity is composed of the inner wall of the annular filter element 11 and the upper end cover 8 and the lower end cover 18; the outer cavity is limited by the outer wall of the filter element 11 and the inner wall of the filter cylinder 10 and the upper end cover 8 and the lower end cover 18.

[0026] The w...

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PUM

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Abstract

The invention relates to a filter device with a leather water storage bag and used for filtering in-situ seawater. The filter device has a self-cleaning function and is composed of a seawater pump, a leather bag, a filter core, a valve and other parts; the filter device can be used as a sampling device of an in-situ analysis testing instrument; seawater enters the follow-up in-situ analysis testing instrument through the filter device when the filter device is used for filtering; after the filter device is blocked, a flow path is controlled to enable water stored in the leather bag to flow reversely for flushing the filter core; the flow path is controlled to enable the leather bag to be filled with water and to be drained for multiple times, so that the filter core is cleaned for multiple times; the filter device has the self-cleaning function and can be used under the sea for a long time together with the in-situ analysis testing instrument, the underwater operating time of the in-situ analysis testing instrument can be effectively prolonged, and the filter device can be effectively utilized in the technical field of ocean exploration.

Description

technical field [0001] The invention belongs to the field of marine detection, and in particular relates to a filtering device with a water storage bladder capable of filtering in-situ seawater, and the filtering device has a self-cleaning function. Background technique [0002] With the development of ocean detection technology, technologies such as flow injection, ultraviolet spectroscopy, laser Raman, mass spectrometry, and gas chromatography have been applied to the deep ocean to carry out in-situ testing of seawater components. The deep-sea in-situ analysis and detection technology is a major breakthrough in the traditional marine research method of post-sampling analysis. In view of the fact that suspended particles in seawater may block the inlet of deep-sea in-situ analysis and detection instruments and affect the test accuracy, it is often necessary to pre-filter seawater samples before testing. In addition, after the seawater filter itself has been used for a peri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D29/35B01D29/68G01N1/34
Inventor 季福武米智楠杨群慧周怀阳王虎杨标韦婧金璐
Owner TONGJI UNIV
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