CN210595495U - Water purifier for replacing concentrated water with pure water - Google Patents
Water purifier for replacing concentrated water with pure water Download PDFInfo
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- CN210595495U CN210595495U CN201920973603.8U CN201920973603U CN210595495U CN 210595495 U CN210595495 U CN 210595495U CN 201920973603 U CN201920973603 U CN 201920973603U CN 210595495 U CN210595495 U CN 210595495U
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Abstract
The utility model discloses a water purifier for replacing concentrated water with pure water, which comprises a raw water inlet, a first RO filter element and a second RO filter element; the raw water inlet is connected with the water inlet of the booster pump, the water outlet of the booster pump is divided into two paths, one path is connected with the water inlet end of the first RO filter element through a first water inlet electromagnetic valve, and the other path is connected with the water inlet end of the second RO filter element through a second water inlet electromagnetic valve; the pure water end of first RO filter core connects out tap, and the pure water end of second RO filter core is connected to the end of intaking of first RO filter core through the second check valve, and is located between first solenoid valve of intaking and the first RO filter core. The utility model discloses increased the second RO filter core of a small capacity on the basis of traditional big flux purifier, the pure water that utilizes the production of second RO filter core removes the dense water in the replacement first RO filter core, solves the ion diffusion problem, makes the TDS of pure water end interior pure water can not rise.
Description
Technical Field
The utility model belongs to the technical field of water purification unit, in particular to a water purifier with pure water replacement dense water.
Background
Traditional reverse osmosis water purification machines have water production capacity of 50 gallons per day, and water production capacity of 400 gallons, 800 gallons and even more than 1000 gallons is generally called as large-flux water purification machine, and the large-flux water purification machine improves certain performances and brings new problems in aspects of sanitation indexes and cost performance, so that a 'water retention' problem is generated.
The water flow channel of the prior reverse osmosis membrane filter element (RO filter element) has the following structure: raw water enters from one end of the filter element, the raw water is filtered from outside to inside, the filtered pure water flows out through the central tube, and the filtered concentrated water is arranged on the outer side of the central tube. The concentrated water at the concentrated water side of the reverse osmosis filter element contains high-concentration ions and organic matters which can be slowly diffused to the pure water side, and if the time is long enough, the concentrations at the two sides can reach balance. If the pure water is diffused overnight, the TDS value of the pure water in the pure water side is obviously increased, and if heavy metal ions in the raw water are more, the heavy metals in the pure water also exceed the standard, so that the water quality and the taste are greatly influenced.
When the large-flux water purifier works, the TDS at the pure water end is in a normal state, concentrated water at the RO membrane water inlet end can be gradually diffused to the pure water end when a user stops using, the diffusion time of the concentrated water starts to appear more than 5 minutes, water at the pure water end is generally determined according to the size of a membrane shell, about 500 plus 1000ml is generally generated, and the TDS value of first cup water after the water purifier works is restarted is higher.
Disclosure of Invention
The utility model aims at providing a can solve the purifier with pure water replacement dense water of the first cup of water TDS value of big flux problem on the high side.
Therefore, the technical scheme of the utility model is that: a water purifier for replacing concentrated water with pure water is characterized in that: comprises a raw water inlet, a first RO filter element and a second RO filter element; the raw water inlet is connected with the water inlet of the booster pump, the water outlet of the booster pump is divided into two paths, one path is connected with the water inlet end of the first RO filter element through a first water inlet electromagnetic valve, and the other path is connected with the water inlet end of the second RO filter element through a second water inlet electromagnetic valve; the pure water end of the first RO filter element is connected with a water outlet tap, and the pure water end of the second RO filter element is connected to the water inlet end of the first RO filter element through a second check valve and is positioned between the first water inlet electromagnetic valve and the first RO filter element; the water pump also comprises a control module, and the control module controls the on-off of the first water inlet electromagnetic valve, the booster pump and the second water inlet electromagnetic valve.
Preferably, when the first water inlet electromagnetic valve is in a working state, the water inlet end of the first RO filter element is communicated with the raw water inlet through the first water inlet electromagnetic valve; when the second water inlet electromagnetic valve is in a working state, the water inlet end of the second RO filter element is communicated with the raw water inlet through the second water inlet electromagnetic valve, and the pure water end of the second RO filter element is communicated with the water inlet end of the first RO filter element.
Preferably, the working states of the first water inlet solenoid valve and the second water inlet solenoid valve are staggered, that is, when the first water inlet solenoid valve is in the working state, the second water inlet solenoid valve is in the non-working state, or when the second water inlet solenoid valve is in the working state, the first water inlet solenoid valve is in the non-working state.
Preferably, the pure water end of the first RO filter element is connected with a water outlet tap through a first check valve and a high-pressure switch; the dense water end of first RO filter core is connected to the waste discharge opening through first dense water solenoid valve, and the dense water end of second RO filter core is connected to the waste discharge opening through the dense water solenoid valve of second.
Preferably, a flow limiting valve is arranged between the second water inlet electromagnetic valve and the second RO filter element.
Preferably, a flow-limiting passage is led out between the second water inlet electromagnetic valve and the second RO filter element, one end of the flow-limiting passage is provided with a flow-limiting hole and is positioned between the second water inlet electromagnetic valve and the second RO filter element, the other end of the flow-limiting passage is connected to the front of the water inlet end of the booster pump, and the flow-limiting passage is provided with a third check valve.
Preferably, a preposed filter element is arranged between the raw water inlet and the booster pump.
Preferably, the capacity of the second RO cartridge is less than the first RO cartridge.
When the water outlet faucet is opened, the first water inlet electromagnetic valve is opened, the first RO filter element normally produces water, and the second water inlet electromagnetic valve is closed at the moment; when the water outlet faucet is closed, the first water inlet electromagnetic valve is closed, the second water inlet electromagnetic valve is opened, the second RO filter element normally produces water, and the produced pure water enters the water inlet end of the first RO filter element through the second check valve, so that the first RO filter element utilizes the pure water to replace the concentrated water in the filter element, and after the concentrated water is discharged, the booster pump and the second water inlet electromagnetic valve are closed.
Due to the flow problem of the booster pump, the first water inlet electromagnetic valve is closed, and under the condition that the second water inlet electromagnetic valve is opened, the working pressure is too high, and a flow limiting valve needs to be added or a flow limiting passage needs to be led out, so that the working pressure of the second RO filter element is adjusted to a normal working range.
The utility model discloses increased the second RO filter core of a small capacity on the basis of traditional big flux purifier to after shutting down, the pure water that utilizes the second RO filter core to produce removes the dense water in the replacement first RO filter core, makes the dense water of first RO filter core hold interior whole pure water that becomes, solves the ion diffusion problem, makes the TDS of pure water end interior pure water can not rise, solves the problem that big flux first cup of water TDS value is on the high side through this kind of mode.
Drawings
The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention
Fig. 1 is a schematic structural diagram of the present invention.
Labeled as: the device comprises a raw water inlet 1, a preposed filter element 2, a booster pump 3, a first water inlet electromagnetic valve 4, a first RO filter element 5, a second water inlet electromagnetic valve 6, a second RO filter element 7, a first concentrated water electromagnetic valve 8, a first check valve 9, a high-pressure switch 10, a water outlet tap 11, a second concentrated water electromagnetic valve 12, a waste discharge port 13, a second check valve 14 and a third check valve 15.
Detailed Description
See the drawings. The water purifier comprises a raw water inlet 1, a first RO filter element 5 and a second RO filter element 7, wherein the second RO filter element is a small-capacity RO filter element; the raw water inlet is connected with the preposed filter element 2 to primarily filter raw water, the preposed filter element 2 is connected with the water inlet of the booster pump 3, the water outlet of the booster pump 3 is divided into two paths, one path is connected with the water inlet end of the first RO filter element 5 through the first water inlet electromagnetic valve 4, and the other path is connected with the water inlet end of the second RO filter element 7 through the second water inlet electromagnetic valve 6; the dense water end of first RO filter core 5 is connected to waste discharge port 13 through 550 CC's first dense water solenoid valve 8, the pure water end of first RO filter core 5 is connected to out tap 11 through first check valve 9 and high-pressure switch 10, the dense water end of second RO filter core 7 is connected to waste discharge port 13 through 100 CC's second dense water solenoid valve 12, the pure water end of second RO filter core 7 is connected to the end of intaking of first RO filter core 5 through second check valve 14, and be located the 4 backs of first solenoid valve that intake.
Due to the flow problem of the booster pump, the first water inlet electromagnetic valve 4 is closed, and under the condition that the second water inlet electromagnetic valve 6 is opened, the working pressure is too high, a flow limiting valve needs to be added or a flow limiting passage needs to be led out, so that the working pressure of the second RO filter element is adjusted to a normal working range. And one end of the flow limiting passage is provided with a flow limiting hole of 2.0mm, the flow limiting hole is positioned between the second water inlet electromagnetic valve 6 and the second RO filter element 7, the other end of the flow limiting passage is connected to the front of the water inlet end of the booster pump 3, and the flow limiting passage is provided with a third check valve 15.
The water outlet faucet 11 is opened, raw water is primarily filtered from the front filter element 2, enters the first RO filter element 5 through the booster pump 3 and the first water inlet electromagnetic valve 4, and pure water filtered by the first RO filter element 5 flows out of the water outlet faucet 11 through the first check valve 9; at this time, the second water inlet solenoid valve 6 is in a closed state.
Close out tap 11, pipeline water pressure rises, high tension switch 10 takes off the jump, control module receives behind the shut down signal, close first solenoid valve 4 of intaking, open second solenoid valve 6 of intaking simultaneously, the raw water just strains from leading filter core 2 department, via booster pump 3, second solenoid valve 6 of intaking gets into second RO filter core 7, the end of intaking that the pure water after 7 filtration of second RO filter core gets into first RO filter core 5 through second check valve 14, utilize the pure water to replace the whole of dense water in the first RO filter core 5, discharge dense water, after all being the pure water in the first RO filter core, close booster pump 3, second solenoid valve 6 of intaking.
Claims (8)
1. A water purifier for replacing concentrated water with pure water is characterized in that: comprises a raw water inlet, a first RO filter element and a second RO filter element; the raw water inlet is connected with the water inlet of the booster pump, the water outlet of the booster pump is divided into two paths, one path is connected with the water inlet end of the first RO filter element through a first water inlet electromagnetic valve, and the other path is connected with the water inlet end of the second RO filter element through a second water inlet electromagnetic valve; the pure water end of the first RO filter element is connected with a water outlet tap, and the pure water end of the second RO filter element is connected to the water inlet end of the first RO filter element through a second check valve and is positioned between the first water inlet electromagnetic valve and the first RO filter element; the water pump also comprises a control module, and the control module controls the on-off of the first water inlet electromagnetic valve, the booster pump and the second water inlet electromagnetic valve.
2. The water purifier as recited in claim 1, wherein said water purifier comprises: when the first water inlet electromagnetic valve is in a working state, the water inlet end of the first RO filter element is communicated with the raw water inlet through the first water inlet electromagnetic valve; when the second water inlet electromagnetic valve is in a working state, the water inlet end of the second RO filter element is communicated with the raw water inlet through the second water inlet electromagnetic valve, and the pure water end of the second RO filter element is communicated with the water inlet end of the first RO filter element.
3. The water purifier as recited in claim 2, wherein said water purifier further comprises: the working states of the first water inlet electromagnetic valve and the second water inlet electromagnetic valve are staggered, namely when the first water inlet electromagnetic valve is in the working state, the second water inlet electromagnetic valve is in the non-working state, or when the second water inlet electromagnetic valve is in the working state, the first water inlet electromagnetic valve is in the non-working state.
4. The water purifier as recited in claim 1, wherein said water purifier comprises: the pure water end of the first RO filter element is connected with a water outlet faucet through a first check valve and a high-pressure switch; the dense water end of first RO filter core is connected to the waste discharge opening through first dense water solenoid valve, and the dense water end of second RO filter core is connected to the waste discharge opening through the dense water solenoid valve of second.
5. The water purifier as recited in claim 1, wherein said water purifier comprises: and a flow limiting valve is arranged between the second water inlet electromagnetic valve and the second RO filter element.
6. The water purifier as recited in claim 1, wherein said water purifier comprises: a flow-limiting passage is led out between the second water inlet electromagnetic valve and the second RO filter element, one end of the flow-limiting passage is provided with a flow-limiting hole and is positioned between the second water inlet electromagnetic valve and the second RO filter element, the other end of the flow-limiting passage is connected to the front of the water inlet end of the booster pump, and a third check valve is arranged on the flow-limiting passage.
7. The water purifier as recited in claim 1, wherein said water purifier comprises: a preposed filter element is arranged between the raw water inlet and the booster pump.
8. The water purifier as recited in claim 1, wherein said water purifier comprises: the capacity of the second RO cartridge is less than the capacity of the first RO cartridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920973603.8U CN210595495U (en) | 2019-06-26 | 2019-06-26 | Water purifier for replacing concentrated water with pure water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920973603.8U CN210595495U (en) | 2019-06-26 | 2019-06-26 | Water purifier for replacing concentrated water with pure water |
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| CN210595495U true CN210595495U (en) | 2020-05-22 |
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| CN201920973603.8U Active CN210595495U (en) | 2019-06-26 | 2019-06-26 | Water purifier for replacing concentrated water with pure water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255737A (en) * | 2019-06-26 | 2019-09-20 | 浙江艾波特环保科技股份有限公司 | A kind of water purifier and method with pure water displacement concentrated water |
| CN113955826A (en) * | 2020-07-20 | 2022-01-21 | 广东美的白色家电技术创新中心有限公司 | Flushing method of water purifier, water purifier and device with storage function |
-
2019
- 2019-06-26 CN CN201920973603.8U patent/CN210595495U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255737A (en) * | 2019-06-26 | 2019-09-20 | 浙江艾波特环保科技股份有限公司 | A kind of water purifier and method with pure water displacement concentrated water |
| CN113955826A (en) * | 2020-07-20 | 2022-01-21 | 广东美的白色家电技术创新中心有限公司 | Flushing method of water purifier, water purifier and device with storage function |
| WO2022016778A1 (en) * | 2020-07-20 | 2022-01-27 | 广东美的白色家电技术创新中心有限公司 | Flushing method for water purifier, water purifier, and device having storage function |
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