Biological pollution control device and control method suitable for drinking water treatment
A technology for drinking water treatment and biological pollution, which is applied in water/sewage treatment, water/sludge/sewage treatment, filtration treatment, etc. It can solve the problems of microbial indicators of produced water that cannot meet water quality requirements, reduced membrane flux and retention capacity, Affect the quality of water supply and other issues, to achieve the effect of inhibiting the growth of attachment, reducing reproduction, and slowing down pollution
Active Publication Date: 2022-03-29
GREENTECH ENVIRONMENTAL CO LTD
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Problems solved by technology
[0003] However, the use of nanofiltration membranes will be accompanied by the problem of bacterial growth. In the case of microbial contamination, the membrane flux and retention capacity will be reduced. Indicators, etc. cannot meet the water quality requirements
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[0035] In order to more clearly understand the above objects, features and advantages of the present disclosure, the solutions of the present disclosure will be further described below. It should be noted that, in the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other.
[0036] In the following description, many specific details are set forth in order to fully understand the present disclosure, but the present disclosure can also be implemented in other ways than described here; obviously, the embodiments in the description are only some of the embodiments of the present disclosure, and Not all examples.
[0037] At present, for the treatment of drinking water, compared with the original ozone-biological activated carbon advanced treatment combined process, nanofiltration membrane technology can more effectively remove small Molecular organic pollutants, while retaining certain minerals such as so...
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The disclosure relates to a biological pollution control device and control method suitable for drinking water treatment. The control device includes a filter device, a dosing device and a cleaning device; the filter device has a filter membrane inside and a first water inlet for communicating with an external water source and the first water outlet, the filtering device is used to filter the water entering by the first water inlet to form the supply of drinking water; the dosing device includes a dosing module, a water inlet and a medicine outlet that store antiseptic liquid, and the medicine outlet It is connected with the first water inlet, and the preservative liquid enters the filter device from the first water inlet to sterilize the filter membrane; the cleaning device has a second water outlet connected with the first water inlet and a second water inlet connected with the first water outlet. The water outlet, the cleaning device is used to enter the water flowing out of the first water outlet into the filter device through the second water outlet, so as to circulate the filter membrane to reduce the residue of bactericide, and the dosing device plays a role in the filter device. Bactericidal effect, the antiseptic solution is also safer as a fungicide.
Description
technical field [0001] The disclosure relates to the technical field of drinking water filtration and treatment, in particular to a biological pollution control device and control method suitable for drinking water treatment. Background technique [0002] With the increasingly stringent requirements for drinking water quality, more and more nanofiltration membrane technology is currently used for drinking water treatment, because it can intercept lower molecular weight than the existing ultrafiltration membrane or ozone-biological activated carbon treatment process. , so it can more effectively remove small molecular organic pollutants, while retaining certain minerals such as sodium ions, potassium ions and other monovalent salts, which is beneficial to health. The filter device with nanofiltration membrane is arranged on the flow path of the treated water source, and the supply drinking water meeting the drinking water quality requirements is obtained downstream of the fil...
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IPC IPC(8): B01D65/02B01D9/02
CPCB01D65/02B01D65/022C02F1/001C02F1/442B01D2321/168
Inventor 黎泽华韩慧铭刘牡孙凯林晓峰苏英强段梦缘张立言
Owner GREENTECH ENVIRONMENTAL CO LTD