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Water purification system

A purification system and water purification technology, applied in water/sewage treatment, water treatment parameter control, chemical instruments and methods, etc., can solve problems such as failure to provide

Inactive Publication Date: 2009-11-04
UNILEVER NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The prior art fails to provide the above desired features

Method used

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  • Water purification system

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[0042] figure 1 is an embodiment of the water purification system according to the present invention. The system has a water supply chamber FC into which the water to be purified is fed through a coarse filter CF suitable for trapping large particles. The water supply vessel has a minimum height of 20cm which provides a low gravity head for water to be filtered through the carbon block filter media CBF. A sediment filter SF made of non-woven fabric and having a shape corresponding to the carbon block filter medium CBF is placed thereon. The sediment filter removes particles between 3 and 6 microns in size. The carbon block filter separates out particles less than 3 microns in size, dissolved organics and pesticides. The carbon block filter also filters chlorine resistant cysts. Under the action of gravity, the water flowing from the carbon block filter enters the flow control device FCM, which includes a control box and a siphon discharge device, which can effectively cont...

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Abstract

The present invention provides a gravity fed water purification system comprising a filtration unit adapted to separate particulates and solubles from feed water, the unit being in fluid communication with a chemical distribution unit such that Before contacting the bactericide dispensed by the chemical dispensing unit, the outlet water flow rate of the filter unit is adjusted through the flow control device, and then the water stays in the water storage chamber for a predetermined period of time, and then passes through the device used to separate the dispensed bactericide from the effluent water. The removal unit discharges the water purification system.

Description

technical field [0001] The invention relates to a gravity self-flow water purification system, which is used for providing purified high-quality drinking water. The water purification system continues to supply large flows of drinking water for a long time while ensuring the removal of harmful pollutants. Background technique [0002] Large numbers of the world's population live in countries with severe shortages of sanitary drinking water. People have to rely directly on groundwater sources such as wells, ponds and rivers. These water sources are often contaminated by sewage, industrial discharge and agricultural by-products such as pesticide residues. [0003] Gravity-fed water filters such as spherical narrow-neck filters (carafe filters) are known for domestic use in which water flows into the filter element through a series of small holes on the wider top of the trapezoidal filter and flows through the filter element. The filter reaches the narrow bottom, during whic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/50C02F9/00C02F1/00C02F1/28C02F1/68C02F1/76
CPCC02F2303/185C02F1/688C02F2303/18C02F2209/40C02F1/001C02F1/283C02F9/005C02F1/003C02F1/766C02F1/50C02F9/20
Inventor M·M·米斯特里N·穆克赫吉D·拉维库马J·A·瓦德亚J·查特杰P·R·戴夫
Owner UNILEVER NV