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Advanced purifying device for municipal tap water

A deep purification device and tap water technology, applied in water/sewage treatment, chemical instruments and methods, water/sewage treatment equipment, etc., can solve problems affecting water quality, excessive bacteria and microorganisms, odor and odor, etc., and reduce toxic by-products risk, the effect of suppressing ozone production

Active Publication Date: 2016-08-17
DALIAN SHUANGDI INNOVATIVE TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the common problem of this type of system is that the bacteria and microorganisms in the water storage tank exceed the standard, which seriously affects the water quality and even smells bad.
So far there is no good solution

Method used

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  • Advanced purifying device for municipal tap water
  • Advanced purifying device for municipal tap water
  • Advanced purifying device for municipal tap water

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] The municipal tap water deep purification device of the present embodiment, see figure 1 , including a pair of negative electrodes 22 and positive electrodes 23, a water-permeable diaphragm 21, an electrolysis power supply 3 for supplying power to the negative and positive electrodes, and a container 1 with water, and the water-permeable diaphragm 21 separates the paired negative electrodes 22 and the positive electrodes 23 from each other Open, the water-permeable diaphragm 21 is a water-permeable diaphragm made of a non-conductive material, and the water-permeable diaphragm 21 has water-permeable micropores with uniform apertures. The water-permeable micropores with uniform pore size are roughly uniform in size and shape. For example, all the holes in a membrane have the same shape, such as oval holes, triangular holes, and so on. The pore sizes in a membrane are all the same size pores, and so on.

[0061] In use, the cathode electrode 22 is in contact with the wate...

Embodiment 2

[0087] The city-supplied tap water deep purification device of this embodiment is an improvement on the basis of Embodiment 1, and the difference from Embodiment 1 is:

[0088] In this embodiment, the container 1 is manually filled with tap water. Still taking the city supply tap water in Dalian, China as an example, the electrolysis power supply 3 adopts an alternating pulse power supply whose forward voltage level is greater than the reverse voltage level, and the average voltage is 15V. The water-permeable diaphragm 21 adopts a microfiltration membrane, and the distance δ between the microfiltration membrane and the anode electrode 23 located outside the membrane is 15 millimeters.

Embodiment 3

[0090] The municipal tap water depth purification device of this embodiment is an improvement on the basis of Embodiment 1. The difference from Embodiment 1 is that in this embodiment, there are several through holes on the positive electrode 23 located on the outside of the water-permeable diaphragm 21. , The water-permeable diaphragm 21 adopts nanofiltration membrane.

[0091] In this embodiment, the municipal tap water in Dalian, China is still taken as an example, and the distance δ between the water-permeable diaphragm 21 and the anode electrode 23 located outside the diaphragm is 0 mm and 10 mm, respectively.

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Abstract

The invention relates to an advanced purifying device for municipal tap water, belonging to the technical field of advanced treatment of water quality of domestic drinking water. The purifying device comprises at least one pair of negative and positive electrodes, a water-permeable diaphragm, an electrolysis power supply for supplying power to the negative and positive electrodes and a container with water, wherein the water-permeable diaphragm separates the negative electrode and positive electrode in pair; the water-permeable diaphragm is made from a non-conductive material and has water-permeable micropores with uniform pore diameter; and in use, the negative electrode contacts with water in the container, and the positive electrode only contacts with the water permeating through the water-permeable diaphragm in the container. The purifying device has the advantages that few toxic byproducts are generated during degradation of organic matters in water and the toxic byproducts do not enter the degraded water.

Description

technical field [0001] The invention relates to a deep purification device for municipal tap water, which belongs to the technical field of deep treatment of drinking water quality. Background technique [0002] Water pollution is mainly caused by pollutants produced by human activities, including industrial pollution sources, agricultural pollution sources and domestic pollution sources. Increasing water pollution has posed a major threat to human survival and has become a major obstacle to human health, economic and social sustainable development. According to the investigation of the authoritative organization in the world, at least 20 million people in the world die every year due to drinking unsanitary water. Therefore, water pollution is called "the number one killer in the world". [0003] Most waterworks at home and abroad still use the outdated process of sedimentation, filtration, and chlorine disinfection to simply process river water or groundwater into potable ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/467C02F1/469B01D71/34B01D67/00B01D69/02
CPCB01D67/0079B01D69/02B01D71/34B01D2323/02B01D2323/345B01D2325/36C02F1/46104C02F1/4672C02F1/4674C02F1/4676C02F1/4698C02F2201/46105
Inventor 肖志邦
Owner DALIAN SHUANGDI INNOVATIVE TECH RES INST
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