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Water purifier and matching ultrafiltration membrane unit thereof

A technology of ultrafiltration membrane and water purifier, which is applied in the direction of ultrafiltration, osmosis/dialysis water/sewage treatment, etc. It can solve the problems that the flushing quality cannot be guaranteed, the cost of water purifier is increased, and the ultrafiltration membrane is easy to be blocked. Save material cost and service cost, improve flushing effect, and facilitate popularization and application

Active Publication Date: 2015-12-02
郭建毅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the source water is used as the flushing water for forward flushing when the hollow fiber ultrafiltration membrane is flushed. The ultrafiltration membrane is easy to be blocked, and the flushing quality cannot be guaranteed.
In order to ensure the water purification quality and water purification efficiency of the water purifier, the hollow fiber ultrafiltration membrane needs to be replaced frequently, which increases the cost of the water purifier

Method used

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  • Water purifier and matching ultrafiltration membrane unit thereof
  • Water purifier and matching ultrafiltration membrane unit thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Such as figure 1 As shown, a water purifier includes a water inlet pipe 201, a solenoid valve 1 204, a pressure water storage tank 207, a reverse osmosis membrane filter group 211, a booster pump 212, an ultrafiltration membrane filter group 213, a solenoid valve 3 214 and a flushing pipe Road, wherein, the ultrafiltration membrane filter group 213 is provided with a water suction port 103, a filtered water outlet 104 and a water discharge port 105, the water inlet pipe 201 is connected with the water suction port 103 of the ultrafiltration membrane filter group 213, and the water outlet of the ultrafiltration membrane filter group 213 105 is connected with flushing water pipe 2 215, solenoid valve 3 214 is arranged on flushing water pipe 2 215, booster pump 212 adopts a booster pump with self-priming capability, and its inlet is connected with filtered water outlet 104 of ultrafiltration membrane filter group 213. The reverse osmosis membrane filtration group 211 of th...

Embodiment 2

[0024] This embodiment makes the following further limitations on the basis of Embodiment 1: this embodiment is also equipped with a one-way valve two 203 during specific settings, wherein the one-way valve two 203 is set on the flushing pipeline and controls the flow of water from the electromagnetic The valve one 204 communicates with the outlet end of the flushing pipeline in one direction.

Embodiment 3

[0026] This embodiment makes the following further limitations on the basis of embodiment 1 or embodiment 2: this embodiment is also equipped with a one-way valve 202 during specific settings, wherein the one-way valve 202 is connected to the reverse osmosis membrane filter At the water purification outlet of the group 211, and the water flow through the water purification outlet of the reverse osmosis membrane filtration group 211 is controlled to circulate in one direction from the inside of the reverse osmosis membrane filtration group 211 to the outside.

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Abstract

The present invention discloses a water purifier. The purifier comprises: an inlet pipe, a solenoid valve one, a pressure storage tank, a reverse osmosis membrane filtration group, a booster pump, an ultrafiltration membrane filtration group, a solenoid valve three, and a flushing pipeline, wherein the inlet pipe is connected to a suction mouth of the ultrafiltration membrane filtration group, the solenoid valve three is connected to an outfall of the ultrafiltration membrane filtration group, the booster pump is connected to a draining outlet of the ultrafiltration membrane filtration group, the reverse osmosis membrane filtration group is connected to the booster pump and the pressure storage tank, an inlet end of the flushing pipeline communicates to a pipeline between the reverse osmosis membrane filtration group and the pressure storage tank, the outlet end of the flushing pipeline communicates to a pipeline between the draining outlet of the ultrafiltration membrane filtration group and the booster pump, the solenoid valve one is disposed on the flushing pipeline, and a pipeline between the inlet pipe and the ultrafiltration membrane filtration group is provided with a pressure valve or a control valve. The invention further discloses a matching ultrafiltration membrane unit of the water purifier. The application of the invention facilitate the use of clean water to back flush the ultrafiltration membrane filtration group, so that a flushing quality is ensured, a flushing effect is enhanced, replacement frequency of membrane bundles is reduced, and a cost is saved.

Description

technical field [0001] The invention relates to the field of water purification, in particular to a water purifier and its supporting ultrafiltration membrane unit. Background technique [0002] Nowadays, the pollution of water resources is becoming more and more serious, and the safety of drinking water for urban residents is prominent. In order to filter out harmful substances in water, water purifiers are more and more widely used. Existing water purifiers are generally equipped with hollow fiber ultrafiltration membranes to purify water. As a high-precision filter material, hollow fiber ultrafiltration membranes only allow water, beneficial minerals and trace elements to pass through to form purified water. Bacteria, rust, colloid, sediment, suspended matter and macromolecular organic matter are trapped in the hollow fiber ultrafiltration membrane and discharged during flushing. At present, the source water is used as the flushing water for forward flushing of the hollo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/44B01D61/18
Inventor 吴瑞昌
Owner 郭建毅
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