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Waterway structure for providing pure water for raw water side of RO membrane filter element

A waterway structure and membrane filtration technology, applied in water/sewage treatment, water/sludge/sewage treatment, permeation/dialysis water/sewage treatment, etc., can solve the problems of affecting the service life of membrane, complex filter element structure and high manufacturing cost , to achieve the effect of reducing TDS value, simple and compact structure, and reducing production cost

Pending Publication Date: 2020-10-09
广东天瀑电器科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the user uses water again, the TDS value of the first glass of water is much higher than the TDS of the normal outlet water, which affects the filtering effect and water quality, and affects the user experience
And because the TDS value of the raw water side is too high, it will cause crystallization and scaling, block the RO membrane, and affect the service life of the membrane
[0003] In response to the above problems, there are filter elements on the market that can provide pure water washing, but such filter elements are often complex in structure and expensive to manufacture

Method used

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  • Waterway structure for providing pure water for raw water side of RO membrane filter element
  • Waterway structure for providing pure water for raw water side of RO membrane filter element
  • Waterway structure for providing pure water for raw water side of RO membrane filter element

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Such as Figure 1 to Figure 3 As shown, it is a waterway structure that provides pure water for backwashing to the RO membrane filter element, including:

[0027] Pure water bottle structure; the pure water bottle structure includes a bottle body, a water flow channel 1 and a water outlet flow channel 3, and a water-holding cavity 41 is provided in the bottle body; one end of the water flow channel 1 extends into the water-holding cavity The bottom of 41 is also in communication with the water holding cavity 41; the water inlet of the water outlet flow channel 3 is in communication with the water holding cavity 41, and the water outlet of the water outlet flow channel 3 is in communication with the outside world; and

[0028] RO membrane filter element 5, the first check valve 6 and the second check valve 7; the pure water outlet of the RO membrane filter element 5 communicates with the water inlet of the first check valve 6, and the outlet of the first check valve 6 T...

Embodiment 2

[0033] Such as Figure 4 to Figure 6 As shown, it is a waterway structure that provides pure water for backwashing to the RO membrane filter element, including:

[0034] Pure water bottle structure; the pure water bottle structure includes a bottle body, a water flow channel 1 and a water outlet flow channel 3, and a water-holding cavity 41 is provided in the bottle body; one end of the water flow channel 1 and the water-holding cavity 41 Communication; the water inlet of the water outlet channel 3 extends into the bottom of the water-holding cavity 41 and communicates with the water-holding cavity 41; and

[0035] RO membrane filter element 5, the first one-way valve 6 and the third one-way valve 8; the pure water outlet of the RO membrane filter element 5 communicates with the water inlet of the first one-way valve 6, and the outlet of the first one-way valve 6 The water port communicates with the other end water port of the water channel 1, the water outlet of the water ou...

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Abstract

The invention relates to a waterway structure for providing pure water for a raw water side of an RO membrane filter element. The waterway structure comprises a pure water bottle structure, an RO membrane filter element, a first one-way valve and a second one-way valve. The pure water bottle structure comprises a bottle body, a water flow channel and a water outlet flow channel. A water containingcavity is formed in the bottle body. A water port at one end of the water flow channel extends into the bottom of the water containing cavity and is communicated with the water containing cavity; a water inlet of the water outlet flow channel is communicated with the water containing cavity, and a water outlet of the water outlet flow channel is communicated with the outside; a pure water outletof the RO membrane filter element is communicated with a water inlet of the first one-way valve, a water outlet of the first one-way valve is communicated with a water inlet of the second one-way valve and a water opening in the other end of the water flow channel, and a water outlet of the second one-way valve is communicated with a water inlet of the RO membrane filter element. The waterway structure has the advantages that the structure is simple and compact, pure water is provided for the raw water side of the RO membrane filter element, the TDS value of the raw water side is reduced, andthe production cost is reduced.

Description

technical field [0001] The invention relates to a waterway structure for providing pure water to the raw water side of an RO membrane filter element. Background technique [0002] At present, in the existing household reverse osmosis (RO) and nanofiltration (NF) water purifiers, the RO / NF filter element is a semi-permeable membrane, the TDS value of the raw water side will be high, and the TDS value of the pure water side will be low. When working, by pressurizing the raw water side, the water on the raw water side with high TDS value is reversely osmosis into the pure water side with low TDS value; when the machine is shut down, the pressure on the raw water side will decrease, and the TDS value on the pure water side will gradually decrease under osmosis. becomes higher; after a period of shutdown, the TDS value on the pure water side will become much higher than that during normal operation. When the user uses water again, the TDS value of the first glass of water is muc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/44B01D65/02C02F103/04
CPCC02F1/441B01D65/02B01D2321/12C02F2103/02B01D2321/04
Inventor 谢小军卢新红徐红
Owner 广东天瀑电器科技有限公司
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