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Multi-chamber reciprocation type ocean micro plastic synchronous collection and separation device with sand-removing screw rod

A separation device and synchronous collection technology, which is applied in the direction of sampling device, filtration separation, measurement device, etc., can solve the problems of low separation efficiency and sand particles mixed in microplastics, and achieve the effect of improving collection and separation efficiency

Pending Publication Date: 2018-08-21
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the microplastic particles obtained by this method are still a combination of microplastic particles of many particle sizes, further separation is required. Separation is generally carried out by adding water to a single-stage filter. Every time a range of particle sizes is separated, the One-time separation operation, there is no suitable device for synchronous separation when separating microplastic particles of different particle sizes, resulting in low separation efficiency, and sand particles in seawater are likely to be mixed in microplastics during the collection and separation of microplastics The problem

Method used

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  • Multi-chamber reciprocation type ocean micro plastic synchronous collection and separation device with sand-removing screw rod
  • Multi-chamber reciprocation type ocean micro plastic synchronous collection and separation device with sand-removing screw rod
  • Multi-chamber reciprocation type ocean micro plastic synchronous collection and separation device with sand-removing screw rod

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Such as figure 1 , Figure 5 , Image 6 , Figure 7 , Figure 8 , Figure 9As shown, the multi-chamber reciprocating marine microplastic synchronous collection and separation device with sand removal screw includes a microplastic collection box 1, which is surrounded by a plurality of guard plates 2, and the microplastic collection box 1 There are two microplastic one-way inlets facing each other on both sides, the two microplastic one-way inlets are respectively the first microplastic one-way inlet 3 and the second microplastic one-way inlet 4, the first microplastic one-way inlet The plastic one-way inlet 3 and the second microplastic one-way inlet 4 are provided with a filter mechanism, wherein the filter mechanism is a microplastic filter 5, and the microplastic filter 5 is arranged obliquely, and the microplastic filter 5 is mainly used for filtering Large pieces of plastic in seawater prevent large pieces of plastic from entering the microplastic collection b...

Embodiment 2

[0048] Such as figure 2 As shown, the difference between this embodiment and Embodiment 1 is that the structure of the microplastic separation device is different from that of Embodiment 1. The microplastic separation device includes a frame 10 connected to the microplastic collection port 9, and multiple etc. are fixedly installed in the frame 10. The filter membranes 12 arranged at intervals, the apertures of the filter membranes 12 gradually become smaller from near the microplastic collection port 9 to away from the microplastic collection port 9 . In this embodiment, the filter membranes 12 are directly fixed in the frame 10 at equal intervals. Of course, the structure of the microplastic separation device in Example 1 is a preferred solution.

Embodiment 3

[0050] Such as image 3 As shown, this embodiment is a further improvement on the basis of Embodiment 1. The difference from Embodiment 1 is that the end of the guard plate 2 is connected to the protective cover 20, and the protective cover 20 is located on the outside of the microplastic separation device. The protective cover 20 is fixed on the coast by the anchor rod 21. In order to facilitate the passage of seawater, the protective cover 20 is woven into a mesh by steel bars. The protective cover 20 mainly plays the role of protecting the microplastic separation device, and can fix the microplastic collection box 1 in addition.

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Abstract

The invention relates to a multi-chamber reciprocation type ocean micro plastic synchronous collection and separation device with a sand-removing screw rod. The device comprises a micro plastic collection tank, wherein the micro plastic collection tank is formed by a plurality of protection plates in a surrounding manner; two micro plastic one-way inlets which are formed oppositely are formed in two sides of the micro plastic collection tank; the two micro plastic one-way inlets are a first micro plastic one-way inlet and a second micro plastic one-way inlet; sand removing mechanisms are separately arranged on one side of the first micro plastic one-way inlet and one side of the second micro plastic one-way inlet; and the sand removing mechanisms are capable of removing sand automaticallythrough flashing force of water flows. The device is simple in overall structure, and the collection quality of micro plastics can be ensured.

Description

technical field [0001] The invention relates to environmental pollution monitoring and separation equipment, in particular to a multi-chamber reciprocating synchronous collection and separation device for marine microplastics with a sand removal screw. Background technique [0002] Microplastics (Microplastics) refer to plastic particles with a diameter of no more than 5 mm, which has become one of the hot issues of international concern. In 2014, the first United Nations Environment Assembly (UNEP1) listed microplastic pollution as one of the top ten global environmental problems to be solved for the first time. In 2015, UNEP2 listed marine microplastics as the second largest scientific issue in the field of environmental and ecological science research, and ranked it with global climate change, ozone depletion and ocean acidification as a major global environmental issue of common concern to scientists around the world. [0003] Microplastics in water bodies mainly come f...

Claims

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Application Information

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IPC IPC(8): B01D35/02B29B17/02B29B17/00G01N1/34G01N1/10
CPCB01D35/02G01N1/10G01N1/34B29B17/00B29B17/02G01N2001/1031G01N2001/1025Y02W30/62Y02W30/52
Inventor 刘瑞志李子成韩雪娇孟庆佳柳青王丽平邓义祥
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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