CN217614028U - Reduce reverse osmosis water purification system of first cup water TDS - Google Patents
Reduce reverse osmosis water purification system of first cup water TDS Download PDFInfo
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- CN217614028U CN217614028U CN202220089599.0U CN202220089599U CN217614028U CN 217614028 U CN217614028 U CN 217614028U CN 202220089599 U CN202220089599 U CN 202220089599U CN 217614028 U CN217614028 U CN 217614028U
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Abstract
The utility model discloses a reduce reverse osmosis water purification system of first cup water TDS, include water intaking valve (1), booster pump (2) and reverse osmosis filter core (3) that connect gradually through the pipeline, the water purification end of reverse osmosis filter core (3) is passed through pure water pipe (91) and is connected with water purification play tap (4), and the waste water end and waste water pipe (92) of reverse osmosis filter core (3) are connected in order to discharge waste water, and this system still includes water tank (5), water tank (5) are connected with the water purification end of reverse osmosis filter core (3) through second pure water pipe (93), water tank (5) still are connected with booster pump (2) through flushing pipe (94) for water in water tank (5) can get into the concentrate end of reverse osmosis filter core (3) through the booster pump. The utility model discloses a reduce reverse osmosis water purification system of first cup of water TDS, except solving the problem that first cup of water TDS is high, still have a plurality of advantages such as security height, filter core long service life.
Description
Technical Field
The utility model relates to a reduce reverse osmosis water purification system of first cup water TDS belongs to water purification technical field.
Background
The general existence of current big flux reverse osmosis water purifier more than 400G waits for a certain time after, and the problem that first cup of water TDS is on the high side when next use.
The reason is that after the reverse osmosis membrane is standby for a certain time, the reverse osmosis membrane can generate a slow natural osmosis phenomenon, so that the TDS (total dissolved solids) on the clean water side of the reverse osmosis membrane is higher, the corresponding salinity and hardness are higher, the nominal desalination rate of the first cup of water cannot be reached, and finally, water scale still generates in the process of water boiling of the clean water.
In addition, the surface of the reverse osmosis membrane is not washed for a long time, so that scaling is easy to occur, and the service life is not ideal.
Therefore, a water purification system is needed to be researched to effectively reduce the TDS of the head water and prolong the service life of the reverse osmosis membrane.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above problems, the present inventors have conducted intensive studies to provide a reverse osmosis water purification system for reducing TDS of head cup water, comprising a water inlet valve 1, a booster pump 2 and a reverse osmosis filter element 3 connected in sequence by pipes, a water purification end of the reverse osmosis filter element 3 being connected to a purified water outlet tap 4 through a purified water pipe 91, a waste water end of the reverse osmosis filter element 3 being connected to a waste water pipe 92 to discharge waste water,
further, the system further comprises a water tank 5, the water tank 5 is connected with the water purifying end of the reverse osmosis filter element 3 through a second pure water pipe 93 to store the purified water of the reverse osmosis filter element 3, and the water tank 5 is further connected with the booster pump 2 through a flushing pipe 94, so that the water in the water tank 5 can enter the concentrated water end of the reverse osmosis filter element 3 through the booster pump.
In a preferred embodiment, a tank water replenishing valve 931 is disposed on the second deionized water pipe 93 to control the conducting state of the second deionized water pipe 93.
In a preferred embodiment, a flush check valve 941 is provided on the flush pipe 94 to allow water flow only from the tank 5 to the booster pump 2.
In a preferred embodiment, a waste valve 921 is provided in the waste 92 for controlling the flow of water in the waste 92.
In a preferred embodiment, a pre-filter 101 is provided at the front end of the inlet valve 1 for filtering impurities in the water.
In a preferred embodiment, a water level sensor is provided on the water tank 5 for detecting the water level in the water tank 5.
In a preferred embodiment, a vent is provided in the water tank 5.
In a preferred embodiment, the vent comprises an inlet port provided with an inlet check valve 51 to prevent water in the water tank 5 from flowing out of the inlet port, and an outlet port provided with an outlet check valve 52 to drain water in the water tank 5.
In a preferred embodiment, the vent is provided at the top of the water tank 5.
In a preferred embodiment, the reverse osmosis filter cartridge 3 can have a plurality of reverse osmosis filter cartridges 3 connected in parallel with one another.
The utility model provides a reduce first cup water TDS's reverse osmosis water purification system has following beneficial effect:
(1) The problem of high TDS of the head cup water is solved;
(2) A pressure tank is not used, so that the system safety is higher;
(3) The protection effect on the reverse osmosis filter element is good, and the service life of the filter element is long.
Drawings
Fig. 1 shows a schematic structural view of a reverse osmosis water purification system for reducing TDS of head cup water according to a preferred embodiment of the present invention.
The reference numbers illustrate:
1-a water inlet valve;
101-a front filter element;
2, a booster pump;
3-a reverse osmosis filter element;
4-a purified water outlet tap;
5-a water tank;
51-air inlet one-way valve;
52-exhaust check valve;
91-pure water pipe;
92-a waste pipe;
93-a second pure water pipe;
94-a flush tube;
921-waste water valve;
931-water tank water supply valve;
941-flush check valve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and embodiments. The features and advantages of the present invention will become more apparent from the description.
In which, although various aspects of the embodiments are shown in the drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The utility model provides a reverse osmosis water purification system for reducing TDS of head cup water, which comprises a water inlet valve 1, a booster pump 2 and a reverse osmosis filter element 3 which are connected in sequence through pipelines,
the reverse osmosis filter element 3 is also called RO membrane filter element, is one of the common devices of water purifier, and has a concentrated water end, a purified water end and a waste water end, wherein the concentrated water side is the water to be purified, the purified water side is the purified pure water, and the waste water side is the waste water produced in the purification process.
In the present invention, the specific structure or model of the reverse osmosis filter element 3 is not particularly limited, and may be any known reverse osmosis filter element.
Further, the water purifying end of the reverse osmosis filter element 3 is connected to the purified water outlet tap 4 through the purified water pipe 91, and the waste water end of the reverse osmosis filter element 3 is connected to the waste water pipe 92 to discharge the waste water, as shown in fig. 1.
Further, the system still includes water tank 5, water tank 5 is connected with the water purification end of reverse osmosis filter core 3 through second pure water pipe 93 to store the pure water after reverse osmosis filter core 3 purifies, make the pure water can flow into water tank 5, water tank 5 still is connected with booster pump 2 through flushing pipe 94, makes the water in water tank 5 can get into the concentrate end of reverse osmosis filter core 3 through the booster pump.
The utility model discloses in, collect the water purification through setting up water tank 5, filter at reverse osmosis filter core 3 and accomplish the back, wash reverse osmosis filter core 3 through the water purification in the water tank 5 to reduce 3 dense water end TDS values of reverse osmosis filter core, and then solve the problem that first cup of water TDS value is high.
In a preferred embodiment, a tank water replenishing valve 931 is disposed on the second pure water pipe 93 to control the conducting state of the second pure water pipe 93, so that the amount of purified water flowing into the water tank 5 and the flowing-in time can be controlled, when a user opens the purified water outlet tap 4, the tank water replenishing valve 931 is closed, and all the purified water generated by the reverse osmosis filter element 3 is supplied to the user, so as to increase the water outlet speed; when the user closes the purified water outlet tap 4, the water tank water supply valve 931 is opened, and the purified water generated by the reverse osmosis filter element 3 flows into the water tank 5 for cleaning the reverse osmosis filter element 3.
In a preferred embodiment, a flush check valve 941 is provided on the flush pipe 94 to allow water to flow only from the tank 5 to the booster pump 2, preventing unpurified water from flowing back into the tank.
In a preferred embodiment, a waste water valve 921 is disposed on the waste water pipe 92 for controlling the flow rate of water in the waste water pipe 92, and the waste water discharge amount is adjusted by the waste water valve 921, thereby achieving the effect of controlling the desalination ratio of the reverse osmosis filter cartridge 3.
Preferably, the other end of the waste water pipe 92 is connected to a sewer, and the waste water is directly discharged into the sewer.
In a preferred embodiment, a pre-filter 101 is provided at the front end of the inlet valve 1, and large particles in the tap water are primarily filtered by the pre-filter 101 to protect the reverse osmosis filter 3.
According to the utility model discloses, leading filter core 101 can be any one kind carries out prefilter's filter core to the running water, for example one or more in active carbon filter core, the cotton filter core of PP, the polypropylene ethylene spouts the melt filter core, the coconut husk granule filter core.
In a preferred embodiment, a water level sensor is provided on the water tank 5, by which the amount of purified water in the water tank 5 is detected, avoiding an excessive or insufficient amount of water in the water tank 5.
In a preferred embodiment, the water tank 5 is not a pressure tank, and the pressure tank is set up in traditional water storage formula water purifier more for storing the water purification, and is different from traditional water receiver water purifier, the utility model provides a water purification system belongs to the mode of straight-out water purification, just filters when the water purification that the user needs instead of filtering in advance and stores, correspondingly, the utility model provides a water tank 5 is ordinary water tank, need not to use the pressure tank, compares in the pressure tank, and ordinary water tank's cost is lower, the security performance is higher.
Further preferably, the water tank 5 is provided with an air vent for keeping pressure inside and outside the water tank 5 balanced when purified water flows in or out, so that pressure difference inside and outside the water tank 5 is avoided, and water leakage or potential safety hazards caused by long-term pressure bearing of the water tank 5 are avoided.
In a more preferred embodiment, the air vent comprises an air inlet and an air outlet, the air inlet is provided with an air inlet check valve 51 to prevent water in the water tank 5 from flowing out of the air inlet, the air outlet is provided with an air outlet check valve 52 to discharge water in the water tank 5, preferably, one end of the air outlet check valve 52 is connected with a sewer, and the water in the sewer is prevented from flowing back to the water tank 5 through the air outlet check valve 52 to pollute pure water in the water tank 5.
The safety of the system is further guaranteed by the arrangement, when the water level sensor abnormally leads to excessive water purification in the water tank 5, the water purification can only flow out to a sewer from the exhaust check valve 52, and the water leakage phenomenon of the system is avoided.
In a preferred embodiment, the vent is provided at the top of the water tank 5.
According to the utility model discloses a preferred embodiment, reverse osmosis filter core 3 can have a plurality ofly, and a plurality of reverse osmosis filter cores 3 are parallelly connected each other to increase the water purification ability in the system unit interval, provide more large-traffic water purification for the user.
The parallel connection means that the concentrated water ends of the plurality of reverse osmosis filter elements 3 are connected with each other, the pure water sections of the plurality of reverse osmosis filter elements 3 are connected with each other, and the waste water ends of the plurality of reverse osmosis filter elements 3 are connected with each other.
According to a preferred embodiment of the invention, the system operates as follows:
and (3) a normal working mode:
a user opens the purified water outlet faucet 4, the water inlet valve 1 is opened, the booster pump 2 is started, the water supplementing valve 931 of the water tank is closed, tap water flows into the booster pump 2 through the water inlet valve 1, enters the reverse osmosis filter element 3 after being boosted by the booster pump 2, water is purified by the reverse osmosis filter element 3, purified water flows out of the purified water outlet faucet 4, and wastewater is discharged into a sewer through the wastewater pipe 92.
And (3) pure water membrane washing process:
a user closes the purified water outlet faucet 4, opens the water inlet valve 1 and the water tank water replenishing valve 931, continues to start the booster pump 2 to make water, replenishes water to the water tank 5 until the water level sensor in the water tank 5 detects a water full signal, closes the water inlet valve 1 and the water tank water replenishing valve 931, opens the flushing one-way valve 941, presses the purified water in the water tank 5 into the concentrated water end of the reverse osmosis filter element 3 through the booster pump 2, discharges the high-concentration wastewater remained in the reverse osmosis filter element 3 through the wastewater pipe 92, reduces the TDS (total dissolved solids) of the concentrated water end of the reverse osmosis filter element 3, and stops running after a proper time; at this moment, no longer have high TDS water among the reverse osmosis filter core 3, through long-time standby also can not lead to the pure water end TDS to rise because of just permeating, so next time when the user opens tap water, first cup water TDS will reduce reasonable level, avoids causing first cup water hardness, and salinity exceeds standard.
Preferably, before the water tank 5 is replenished, in order to prevent residual water in the water tank 5, the water inlet valve 1 and the water tank replenishing valve 931 are closed, and the booster pump 2 is started to press the residual water in the water tank 5 into the reverse osmosis filter element 3.
The present invention has been described above in connection with preferred embodiments, which are merely exemplary and illustrative. On this basis, can be right the utility model discloses carry out multiple replacement and improvement, these all fall into the utility model discloses a protection scope.
Claims (7)
1. A reverse osmosis water purification system for reducing TDS of head cup water comprises a water inlet valve (1), a booster pump (2) and a reverse osmosis filter element (3) which are sequentially connected through a pipeline, wherein the water purification end of the reverse osmosis filter element (3) is connected with a purified water outlet faucet (4) through a purified water pipe (91), the waste water end of the reverse osmosis filter element (3) is connected with a waste water pipe (92) to discharge waste water, and the reverse osmosis water purification system is characterized in that,
the system also comprises a water tank (5), wherein the water tank (5) is connected with the water purifying end of the reverse osmosis filter element (3) through a second pure water pipe (93) to store pure water purified by the reverse osmosis filter element (3), and the water tank (5) is also connected with the booster pump (2) through a flushing pipe (94) to ensure that water in the water tank (5) can enter the concentrated water end of the reverse osmosis filter element (3) through the booster pump;
the water tank (5) is not a pressure tank;
the water tank (5) is provided with an air vent;
the air vent comprises an air inlet and an air outlet, wherein an air inlet one-way valve (51) is arranged on the air inlet, so that water in the water tank (5) cannot flow out of the air inlet, an air outlet one-way valve (52) is arranged on the air outlet and used for discharging the water in the water tank (5), and one end of the air outlet one-way valve (52) is connected with a sewer;
the vent is arranged at the top of the water tank (5).
2. The reverse osmosis water purification system to reduce TDS in head cup water of claim 1,
and a water tank water supplementing valve (931) is arranged on the second pure water pipe (93) to control the conduction state of the second pure water pipe (93).
3. The reverse osmosis water purification system to reduce TDS in head cup water of claim 1,
a flushing check valve (941) is arranged on the flushing pipe (94) so that water flow can only flow from the water tank (5) to the booster pump (2).
4. The reverse osmosis water purification system to reduce TDS in head cup water of claim 1,
and a waste water valve (921) is arranged on the waste water pipe (92) and is used for controlling the flow of water in the waste water pipe (92).
5. The reverse osmosis water purification system to reduce TDS in head cup water of claim 1,
the front end of the water inlet valve (1) is provided with a preposed filter element (101) for filtering impurities in water.
6. The reverse osmosis water purification system to reduce TDS in head cup water of claim 1,
a water level sensor is arranged on the water tank (5) and used for detecting the water level in the water tank (5).
7. The reverse osmosis water purification system to reduce TDS in head cup water of claim 1,
the reverse osmosis filter element (3) can be provided with a plurality of reverse osmosis filter elements (3) which are connected in parallel with each other to increase the water purifying capacity in unit time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220089599.0U CN217614028U (en) | 2022-01-13 | 2022-01-13 | Reduce reverse osmosis water purification system of first cup water TDS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220089599.0U CN217614028U (en) | 2022-01-13 | 2022-01-13 | Reduce reverse osmosis water purification system of first cup water TDS |
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| Publication Number | Publication Date |
|---|---|
| CN217614028U true CN217614028U (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220089599.0U Active CN217614028U (en) | 2022-01-13 | 2022-01-13 | Reduce reverse osmosis water purification system of first cup water TDS |
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