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Filter assembly with membrane capable of being soaked with pure water

A technology of filter components and bubble film, which is applied in the field of water purification, can solve problems such as high TDS value and water quality that cannot meet the filtration requirements, and achieve the effect of reducing TDS value

Inactive Publication Date: 2020-02-11
GUANGDONG WAPU TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, whenever the water purifier is on standby for a period of time, the first cup of water that the user receives has a high TDS value, and the water quality cannot meet the filtration requirements.

Method used

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  • Filter assembly with membrane capable of being soaked with pure water
  • Filter assembly with membrane capable of being soaked with pure water
  • Filter assembly with membrane capable of being soaked with pure water

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as figure 1 The filter assembly shown, the filter assembly includes a fine filter element 1 and a bubble film tank 2 as a fine filter element, wherein the fine filter element 1 is provided with a raw water inlet 3 for raw water to flow into the fine filter element 1, and for concentrated water to flow out The concentrated water outlet 4 of the fine filter element 1 and the pure water outlet 5 for pure water to flow out of the fine filter element 1; the bubble film tank 2 includes a shell 6, and the shell 6 is provided with a pressure-deformable liner 7, A water flow channel 8 is provided between the inner tank 7 and the housing 6 , and the water flow channel 8 is arranged around the inner tank 7 in the housing 6 .

[0032] In Embodiment 1, one end of the water flow channel 8 is connected to a booster pump 9 as a booster assembly, and the other end is connected to the outside of the filter assembly as a raw water inlet. A first control valve 10 is provided between ...

Embodiment 2

[0044] The difference between this embodiment 2 and embodiment 1 is that in this embodiment 2, if figure 2 As shown, the water flow channel 8 is connected to the drain port, and a one-way pressure relief valve 21 is arranged between the water flow channel 8 and the drain port; the water flows along the water flow channel 8, the one-way pressure relief valve 21, and the drain port to form a concentrated water discharge pressure path. After the water pressure in the water flow channel 8 exceeds the pressure relief value of the one-way pressure relief valve 21, the water flow drawn into the water flow channel 8 can flow along the concentrated water pressure relief path, and pass through the water flow channel 8 and the one-way pressure relief valve 21. , Drain port, discharge the filter assembly, to prevent the internal water pressure of the filter assembly from exceeding the safe range.

Embodiment 3

[0046] The difference between this embodiment 3 and embodiment 2 is that in this embodiment 3, if image 3 As shown, the inlet of the one-way pressure relief valve 21 is connected to the water flow channel 8, and the outlet of the one-way pressure relief valve 21 is connected to the drain port and the booster pump 9; The pump 9 and the water flow channel 21 flow to form a concentrated water internal circulation path.

[0047] After the internal water pressure of the water flow channel 8 reaches a certain pressure value, the water in the water flow channel 8 can flow out from the one-way pressure relief valve 21, part of the fluid flows along the concentrated water pressure relief path, and the filter assembly is discharged from the drain port to make the water flow The water pressure in the channel 8 drops to a safe range. At this time, another part of the fluid can flow back to the booster pump 9 along the concentrated water internal circulation path, and then flow into the w...

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Abstract

The invention discloses a filter assembly with a membrane capable of being soaked with pure water. The filter assembly comprises a membrane soaking tank and a fine filter element; the fine filter element is provided with a raw water inlet for raw water to flow into the fine filter element, a concentrated water outlet for concentrated water to flow out of the fine filter element and a pure water outlet for pure water to flow out of the fine filter element; the membrane soaking tank comprises a shell, an inner container is arranged in the shell, and a water flow channel is arranged between the inner container and the shell; a pressurizing assembly for pressurizing a water path is arranged between the membrane soaking tank and the fine filter element; water flows along the concentrated wateroutlet, the pressurizing assembly and the water flow channel to form a water backflow path in the element; water flows along the inner container and the raw water inlet to form a pure water membrane soaking path; and water flows through the pure water outlet and the inner container to form a pure water backflow path. The filter assembly has the advantages of reduction of the TDS value of the firstcup of water after restarting of a water purification system in a standby state, and effectiveness in avoiding of pure water waste caused by flushing of a permeable membrane with a large amount of pure water.

Description

technical field [0001] The invention relates to the field of water purification, in particular to a filter assembly capable of purifying water bubble membranes. Background technique [0002] At present, the existing household large-flux RO / NF pure water machines are conventionally rated as 400G, 500G, 600G and other models. Since the core components used in reverse osmosis and nanofiltration water purification are semi-permeable membranes, the water purifiers During standby, the TDS value of the water staying on the raw water side is higher than that of the water staying on the pure water side, so that the salt content of the water on the raw water side can easily penetrate into the water on the pure water side, which will eventually make the semi-permeable membrane on the raw water side and The water salinity concentration on both sides of the pure water side is basically the same. As a result, whenever the water purifier is on standby for a period of time, the TDS value o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/44B01D65/02B01D61/08C02F103/04
CPCB01D61/08B01D65/02C02F1/441C02F2303/14
Inventor 罗庭剑白晓峰冯永刚
Owner GUANGDONG WAPU TECH CO LTD
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