Internal pressure ultrafiltration water purifying device and use method thereof

Abstract

The invention relates to an internal pressure ultrafiltration water purifying device. The device comprises a raw water pump with a water source, a multi-media filter, an activated carbon filter, a precision filter and an internal pressure ultrafiltration filtering system; the water source passes through an automatic multi-way valve of the multi-media filter through the raw water pump to flow into the multi-media filter and flows to the activated carbon filter through a pipeline; the activated carbon filter is connected to the precision filter; one end of the precision filter is connected to a chemical dosing pump, and the other end is connected to a lower-end water inlet of an ultrafiltration main device. According to the invention, a process of the multi-media filter and the activated carbon filter and the precision filter and chemical dosing and a polysulfone internal pressure ultrafiltration membrane system is selected; multi-stage filtration is realized; the water quality is guaranteed; through comparison in many aspects, an internal pressure ultrafiltration membrane prepared from polysulfone material with excellent performance and economical cost is decided to be selected; the polysulfone internal pressure membrane ultrafiltration water purifying device can realize the functions of unattended operation and remote monitoring, the use of manpower is reduced, and the cost is reduced.

Description

technical field [0001] The invention relates to an internal pressure type ultrafiltration water purification equipment, and mainly relates to the field of water treatment. Background technique [0002] Due to my country's vast territory, the distribution of water resources presents the characteristics of more in the south than in the north, more in the east and less in the west, and the areas with the most severe water shortage are the rural areas in the central and western regions. Rural drinking water treatment facilities are generally relatively simple. Some water sources are close to farmland. Pesticides and chemical fertilizers affect water quality. However, water sources directly enter the water supply network to farmers, making it difficult to guarantee water quality. my country's rural drinking water is facing the following problems: [0003] 1. There are various sources of drinking water in rural areas, such as mountain spring water, groundwater, river water, lake ...

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Problems solved by technology

[0011] The technical problem to be solved by the present invention is that the treatment process of drinking water in rural areas is backward and the water quality is not up to standard. At the same time, the external pressure ultrafiltration water purification equipment needs to be air washed, the process is complicated, the cost is high, the energy consumption is large, and the floor area is large. , invented a water-saving, energy-saving, low-cost, simple process, unattended, automatic operation of ultrafiltration water purification equipment

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