CN220098660U - Waterway system capable of reducing TDS value of first cup of water - Google Patents

Abstract

The utility model relates to the technical field of water purification systems, in particular to a waterway system capable of reducing the TDS value of first-cup water, a reverse osmosis filter element, a water inlet end, a water outlet end and a water outlet end, wherein the reverse osmosis filter element is provided with a raw water end, a pure water end and a water outlet end; the water inlet pipeline is connected with the raw water end and is provided with a first supercharging device; the drainage pipeline is connected with the drainage end; the pure water pipeline is connected with the pure water end and is provided with a first water taking switch; the first water storage container is provided with a first pure water area, and the first pure water area is connected to the pure water pipeline through a second return pipeline; the second water storage container is positioned between the pure water pipeline and the first water taking switch, and controllable water circulation is realized between the second water storage container and the pure water pipeline. When the first water taking switch is turned on, pure water stored in the second water storage container is discharged from the first water taking switch, and pure water stored in the first water storage container is mixed with pure water produced by the reverse osmosis filter element from the second return pipeline, so that the problem of high TDS of first water is effectively solved.

Description

Waterway system capable of reducing TDS value of first cup of water

Technical Field

The utility model relates to the technical field of water purification systems, in particular to a waterway system capable of reducing the TDS value of first-cup water.

Background

The reverse osmosis filter element can effectively filter impurities in water, and is the most commonly used scheme of the existing water purification system. The reverse osmosis filter core utilizes filtration to obtain pure water and concentrated water, when the reverse osmosis filter core is stopped and is stationary, a filter membrane of the reverse osmosis filter core is soaked in the concentrated water for a long time, the residual concentrated water in the reverse osmosis filter core gradually and positively permeates to the pure water side through the reverse osmosis membrane, the TDS value of the water on the pure water side is close to the TDS value of the water on the original water side of the reverse osmosis membrane, and when the reverse osmosis water purifier is restarted to prepare water, the TDS value of the initially prepared pure water (within 2 minutes) can greatly exceed a standard value; the pure water TDS of the first section is high, and the use requirement of the pure water cannot be met. Some water route systems of current design is for flowing back the raw water end with first section's water, mixes to the raw water in and filters the use again, and first section raw water concentration after mixing is high, still can have certain influence to the pure water that filters out. It needs to be optimized for this purpose.

Disclosure of Invention

Aiming at the technical problem of higher TDS value of the first cup of water in the prior art, the utility model adopts the technical scheme that:

a waterway system capable of reducing the TDS value of first-cup water, a reverse osmosis filter element, wherein the reverse osmosis filter element is provided with a raw water end, a pure water end and a drainage end;

the water inlet pipeline is connected with the raw water end, and a first supercharging device is arranged on the water inlet pipeline;

the drainage pipeline is connected with the drainage end;

the pure water pipeline is connected with the pure water end, and a first water taking switch is arranged on the pure water pipeline;

the first water storage container is provided with a first pure water area, and the first pure water area is connected to the pure water pipeline through a second return pipeline;

the second water storage container is positioned between the pure water pipeline and the first water taking switch, and the second water storage container is in controllable water circulation with the pure water pipeline.

According to some embodiments of the utility model, the pure water line is provided with a second control valve located between the pure water end and the second water storage container, the second return line being located on an upstream side of the second control valve.

According to some embodiments of the utility model, the water inlet pipe is provided with a pre-filter element and a first control valve, the pre-filter element is located on the upstream side of the first control valve, and the joint of the first return pipe and the water inlet pipe is located between the pre-filter element and the first supercharging device.

According to some embodiments of the utility model, the first water storage container is further provided with a first concentrated water area, the first concentrated water area is provided with a first concentrated water drain port, the concentrated water area is connected to the drainage pipeline through a first concentrated water pipeline, the first concentrated water pipeline is provided with a second one-way valve, and the second one-way valve controls one-way delivery of liquid flowing through the drainage pipeline to the first concentrated water area.

According to some embodiments of the utility model, the first concentrate outlet is connected to the water inlet end of the water inlet line by a second concentrate line.

According to some embodiments of the utility model, the drain line is provided with a waste water valve, a third control valve and a waste water port in sequence, and the first concentrate line is connected between the waste water valve and the third control valve.

According to some embodiments of the utility model, the first concentrate pipeline is connected with a water pipeline, the joint is located at the downstream side of the second one-way valve, and the water outlet end of the water pipeline is provided with a second water taking switch.

According to some embodiments of the utility model, the first pure water area is connected to the water inlet pipe through a first return pipe, a first check valve is arranged on the first return pipe, the first check valve controls the liquid flowing through the first return pipe to be conveyed to the water inlet pipe in a single direction, the water draining pipe is connected with a water purifying pipe, a joint is located on the upstream side of the wastewater valve, and the water purifying pipe is provided with a water purifying port.

According to some embodiments of the utility model, the first pure water region is a first water bladder having elasticity, and the first water bladder is disposed in the first concentrated water region.

According to some embodiments of the utility model, the second water storage container is provided with a second pure water area, which is a second water bladder with elasticity.

The beneficial effects of the utility model are as follows:

when the first water taking switch is closed, pure water produced by the reverse osmosis filter core flows into and fills the first water storage container and the second water storage container respectively, and when the first water taking switch is opened again, the pure water stored by the second water storage container is discharged from the first water taking switch, and the pure water stored by the first water storage container is mixed with the pure water produced by the reverse osmosis filter core from the second return pipeline, so that the problem of high TDS of first water is effectively solved.

Drawings

Fig. 1 is a schematic diagram of a waterway system capable of reducing TDS value of first-cup water according to the present utility model.

Fig. 2 is a schematic diagram of another embodiment of a waterway system capable of reducing TDS value of a first cup of water according to the present utility model.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

A waterway system capable of reducing TDS value of first cup water,

a reverse osmosis filter element 100, wherein the reverse osmosis filter element 100 is provided with a raw water end 101, a pure water end 102 and a drainage end 103;

a water inlet pipeline 200 connected with the raw water end 101, wherein a first supercharging device 220 is arranged on the water inlet pipeline 200;

a drain line 300 connected to the drain end 103;

a pure water pipe 400 connected to the pure water end 102, wherein a first water intake switch 410 is provided on the pure water pipe 400;

a first water storage container 500, the first water storage container 500 being provided with a first pure water region 510, the first pure water region 510 being connected to the pure water line 400 through a second return line 710;

the second water storage container 700, the second water storage container 700 is located between the pure water pipeline 400 and the first water taking switch 410, and the second water storage container 700 and the pure water pipeline 400 are in controllable water flow.

As shown in fig. 1, when the first water taking switch is closed, pure water produced by the reverse osmosis filter core flows into and fills the first water storage container and the second water storage container respectively, and when the first water taking switch is opened again, pure water stored by the second water storage container is discharged from the first water taking switch first, and pure water stored by the first water storage container is mixed with pure water produced by the reverse osmosis filter core from the second return pipeline, so that the problem of high TDS of first cup water is effectively solved.

In the waterway system capable of reducing TDS value of the first cup water as shown in fig. 1, the pure water pipe 400 is provided with a second control valve 420 between the pure water end 102 and the second water storage container 700, and the second return pipe 620 is located at an upstream side of the second control valve 420. The second control valve 420 may be an electromagnetic valve, in some embodiments, when the first water intake switch is closed, pure water flows into the first water storage container and the second water storage container respectively, the water is stopped completely, the pure water stored in the second water storage container is discharged from the first water intake switch, after the pressure is reduced, the first supercharging device is started, the second control valve is started, the pure water stored in the first water storage container is mixed with the pure water produced by the reverse osmosis filter core from the second return pipeline, and the TDS concentration of the pure water end is effectively reduced.

The waterway system capable of reducing the TDS value of the first water cup as shown in fig. 2, the first water storage container 500 is further provided with a first concentrated water area 520, the first concentrated water area is provided with a first concentrated water drain port 521, the concentrated water area 520 is connected to the water draining pipeline 300 through a first concentrated water pipeline 810, the first concentrated water pipeline 810 is provided with a second one-way valve 820, and the second one-way valve 820 controls the liquid flowing through the water draining pipeline 300 to be unidirectionally transported to the first concentrated water area 520. Optionally, in some embodiments, the second check valve may be configured to prevent the concentrate in the first concentrate area from flowing back to the drain, where the concentrate in the first concentrate area may be drained through the first concentrate drain or connected to another pipe.

The water way system capable of reducing the TDS value of the first water in the first water tank is shown in fig. 2, and the first water outlet 521 is connected to the water inlet end of the water inlet pipeline 200 through the second water outlet 830. Alternatively, in some embodiments, the concentrated water may flow to the water inlet pipeline through the second concentrated water pipeline via the first water storage container and be mixed with raw water, further reducing waste of direct discharge of the concentrated water.

As shown in fig. 2, in the waterway system capable of reducing TDS value of the first cup of water, the drain pipeline 300 is sequentially provided with a waste water valve 310, a third control valve 320 and a waste water port 330, and the first concentrate pipeline 810 is connected between the waste water valve 310 and the third control valve 320. Optionally, the first water storage container is provided with a TDS detector 530, and when the TDS detector detects that the TDS of the concentrate of the first water storage container is too high, the third control valve 320 is opened so that the concentrate discharged from the drain end is moved to the waste water outlet via the drain line to be discharged. Optionally, the waste water valve is waste water ratio, can control the discharge flow on the drain pipe.

As shown in fig. 2, in the waterway system capable of reducing the TDS value of the first water cup, the first water concentrate pipeline 810 is connected with a water pipeline 840, the junction is located at the downstream side of the second check valve 820, and the water outlet end of the water pipeline 840 is provided with a second water intake switch 850.

Alternatively, in some embodiments, the concentrate at the drain end may be moved from the water line to the second water intake switch.

Optionally, in some embodiments, the concentrated water in the first water reservoir is moved from the water line to the second water intake switch.

Optionally, in some embodiments, the first control valve is closed, raw water of the water inlet 201 enters the first water storage container through the second concentrate pipeline to be mixed with concentrate, and then moves to the second water intake switch through the water pipeline.

The water path system capable of reducing the TDS value of the first water cup as shown in fig. 2, the second water storage container 700 is provided with a second pure water area 720, the second pure water area 720 is a second water bag with elasticity, the first pure water area 510 is a first water bag with elasticity, and the first water bag is disposed in the first concentrated water area 520. The first water bag and the second water bag with elasticity can store pure water, and when first water intaking switch was opened, the second control valve was closed, and the pure water that the second water bag stored was released earlier, and after pressure drop, first supercharging device was started, and the second control valve starts, and the pure water that the second water storage container stored mixes with the pure water that reverse osmosis filter core made from the second return line, effectively reduces the TDS concentration of pure water end.

Referring to fig. 2, in a waterway system capable of reducing TDS value of first-cup water, the first pure water area 510 is connected to the water inlet pipeline 200 through a first return pipeline 610, a first check valve 611 is disposed on the first return pipeline 610, and the first check valve 611 controls unidirectional delivery of the liquid flowing through the first return pipeline 610 to the water inlet pipeline 200. In some embodiments, by providing the first check valve, raw water of the water inlet line can be prevented from entering the first water storage container from the first return line 610.

The drain pipe 300 is connected with a clean water pipe 340, and the joint is located at the upstream side of the waste water valve 310, and the clean water pipe 340 is provided with a clean water port 341. Domestic water is discharged from the water purifying port through the pressure reducing valve 240, the preposed filter element, the first supercharging device and the reverse osmosis filter element, so that the reverse osmosis membrane is cleaned while purified water is used, and the service life of the reverse osmosis membrane is prolonged.

In the waterway system capable of reducing the TDS value of the first cup of water as shown in fig. 2, the water inlet pipeline 200 is provided with a pre-filter 230 and a first control valve 210, the pre-filter 230 is located at the upstream side of the first control valve 210, and the joint between the first return pipeline 610 and the water inlet pipeline 200 is located between the pre-filter 230 and the first supercharging device 220. The pre-filter element can perform preliminary filtration on raw water, the joint of the first return pipeline 610 and the water inlet pipeline 200 is located at the downstream side of the pre-filter element 230, so that the filtering pressure of the pre-filter element can be reduced, and meanwhile, pure water of the first return pipeline passes through the reverse osmosis filter element more rapidly to flush the reverse osmosis filter membrane.

In the waterway system capable of reducing the TDS value of the first cup of water as shown in fig. 2, the pure water pipeline 400 is sequentially provided with a third check valve 430 and a pressure monitoring device 440, and the third check valve 430 controls the liquid flowing through the pure water pipeline 400 to be unidirectionally conveyed to the first water intake switch 410. The pressure monitoring device can detect the pressure of the pure water pipeline, and when the pressure is reduced, the first supercharging device is started. The third one-way valve is arranged adjacent to the pure water end and ensures that water on the pure water pipeline cannot flow back towards the pure water end; the pressure monitoring device is arranged adjacent to the first water taking switch, namely, the pressure monitoring device is positioned at the downstream side of the connection point of the second water storage container and the pure water pipeline. The pressure monitoring device is used for detecting the water pressure on the pure water pipeline, and the opening and closing states of the first water taking switch and the water storage pressure of the second water storage container can be monitored, so that the waterway system is controlled to enter a corresponding mode. That is, when the first water intake switch is turned on to off, water is discharged from the first water intake switch to enter the second water storage container, the pressure monitoring device monitors that the pressure on the pure water pipeline is gradually increased until the second water storage container is full of water, the pure water pipeline water pressure reaches the maximum value, or the pressure monitoring device is set to a certain value, at the moment, a signal is fed back to the system, and the waterway system enters a standby state.

Optionally, in some embodiments, the first return line 610 and the second return line 710 are connected to the pure water region 510, respectively, as in the waterway system of fig. 2 that reduces the TDS value of the first bowl. Optionally, in some embodiments, the first return line 610 and the second return line 710 are joined to the purified water region 510 after being collected in a manifold.

The raw water is suitable for city tap water, and the waterway system capable of reducing the TDS value of the first-cup water can be used for a pretreatment system of a laboratory water purifier and other commercial occasions besides home use.

The waterway system comprises the following working modes (illustrated by the embodiment of fig. 2):

first normal water making mode: when the user needs to take pure water, the first water taking switch 410 is turned on, at this time, the first control valve 210, the first pressurizing device 220, and the second control valve 420 are turned on, and the third control valve 320 and the second water taking switch 850 are turned off. Raw water passes through the water inlet pipeline 200 from the water inlet 201 and enters the reverse osmosis filter element 100 from the raw water end 101 under the supercharging extraction action of the first supercharging device 220. The water is filtered to obtain concentrated water and pure water. The concentrate is discharged from the discharge end 103 and enters the first concentrate area 520 of the first water reservoir 500 through the first concentrate line 810. The reverse osmosis filter cartridge 100 produces pure water to flow into and fill the first water storage container 500 through the second return line 710, the first water bladder disposed in the first concentrated water zone 520 expands with the increase of the water storage amount, the reverse osmosis filter cartridge 100 produces pure water to flow into and fill the second water storage container 700 through the pure water line 400, the second water bladder in the second water storage container 700 expands with the increase of the water storage amount, and when the first water storage container 500 and the second water storage container 700 are filled, pure water is discharged to the pure water line 400 through the pure water end 102 and discharged from the first water intake switch 410 for the user, and the first water bladder and the second water bladder remain in the expanded state after the first water intake switch 410 is closed.

Water storage mode: when the first water intake switch 410 is changed from the open state to the closed state, the first control valve 210, the first supercharging device 220, and the second control valve 420 are kept open, and the third control valve 320 and the second water intake switch 850 are kept closed. The system continues to produce water, pure water produced by the reverse osmosis filter element 100 flows into and fills the first water storage container 500 through the second return pipeline 710, the first water sac arranged in the first concentrated water area 520 swells with the increase of the water storage amount, pure water produced by the reverse osmosis filter element 100 flows into and fills the second water storage container 700 through the pure water pipeline 400, the second water sac in the second water storage container 700 swells with the increase of the water storage amount, and when the first water storage container 500 and the second water storage container 700 are full, the first control valve 210, the first pressurizing device 220 and the second control valve 420 are closed, and the system enters a standby state. The first water bladder and the second water bladder remain in an inflated state.

Nth (N > 1) normal water making mode: when the first water intake switch 410 is turned from the off state to the on state, the pressure monitoring device 440 is turned on for an initial certain period of time, and the first control valve 210, the first supercharging device 220, the second control valve 420, the third control valve 320, and the second water intake switch 850 are in the off state; in the opened state of the first water intake switch 410, the pressure of the second water bladder in the second water storage container 700 is released, and the pure water stored in the second water bladder flows into the pure water pipeline 400 and is discharged from the first water intake switch 410 for the user. Meanwhile, when the pressure monitoring device 440 detects that the pressure of the pure water pipeline 400 is reduced, the first control valve 210, the first pressurizing device 220 and the second control valve 420 are opened, pure water in the first water bladder of the first pure water area 510 is connected to the pure water pipeline 400 through the second return pipeline 710 and is mixed with water with a higher TDS value in the pure water end 102 in the reverse osmosis filter element 100, and pure water produced by the reverse osmosis filter element 100 is discharged from the first water intake switch 410 through the pure water pipeline 400 for a user to use.

When the first water intake switch 410 is turned off, the system enters a water storage mode, thereby circulating between the water storage mode and the nth normal water making mode.

Concentrated water intake mode: the second water taking switch 850 is turned on, and the concentrated water in the first water storage container 500 is discharged through the second water taking switch 850 for the user to use the tap water/concentrated water/mixed water. In this mode, on the one hand, the user can directly use the concentrated water, and on the other hand, when the concentrated water is taken, raw water can be supplemented into the first water storage container 500 through the second concentrated water pipeline 830, so that the TDS value of the concentrated water is reduced.

Water purification mode: the first control valve 210, the first pressurizing means 220 are opened, and the second control valve 420, the third control valve 320, and the second water intake switch 850 are kept in a closed state. Raw water passes through the pressure reducing valve 240, the preposed filter element 220, the first supercharging device 220 and the reverse osmosis filter element 100, enters the water purifying pipeline 340 through the drainage pipeline 300 and is discharged from the water purifying port 341, so that the filter membrane of the reverse osmosis filter element 100 is prevented from being soaked in concentrated water for a long time, and the service life of the reverse osmosis filter element 100 is prolonged.

The pure water in the first water bladder of the first pure water region 510 is connected to the water inlet pipeline 200 through the first return pipeline 610 and cleans the reverse osmosis filter element 100, when the water purifying port 341 is closed, the system continues to produce water, the pure water produced by the reverse osmosis filter element 100 flows into and fills the first water storage container 500 through the second return pipeline 710, the first water bladder disposed in the first concentrated water region 520 expands with the increase of the water storage capacity, and when the first water storage container 500 is filled, the first control valve 210 and the first pressurizing device 220 are closed, and the system enters a standby state. The first water bladder remains in the inflated state.

According to the utility model, when the first water taking switch 410 is closed, pure water produced by the reverse osmosis filter element 100 flows into and fills the first water storage container 500 and the second water storage container 700 respectively, and when the first water taking switch 410 is opened again, pure water stored by the second water storage container 700 is discharged from the first water taking switch 410 first, and pure water stored by the first water storage container 500 is mixed with pure water produced by the reverse osmosis filter element 100 from the second return pipeline 710, so that the problem of high TDS of first cup of water is effectively solved. The system does not need to return the water at the first section to the raw water end 101, mix the water into the raw water for re-filtration and use, and the system does not need to automatically process the 'first cup of water' at regular intervals, and only needs to process when the user takes pure water.

The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.

Claims (10)

1. Waterway system capable of reducing TDS value of first cup of water, and is characterized in that:

a reverse osmosis filter element (100), wherein the reverse osmosis filter element (100) is provided with a raw water end (101), a pure water end (102) and a drainage end (103);

a water inlet pipeline (200) connected with the raw water end (101), wherein the water inlet pipeline (200) is provided with a first supercharging device (220);

a drain line (300) connected to the drain end (103);

the pure water pipeline (400) is connected with the pure water end (102), and a first water taking switch (410) is arranged on the pure water pipeline (400);

a first water storage container (500), the first water storage container (500) being provided with a first pure water zone (510), the first pure water zone (510) being connected to the pure water line (400) by a second return line (710);

the second water storage container (700), second water storage container (700) are located pure water pipeline (400) with first water intaking switch (410), second water storage container (700) with controllable water circulation between pure water pipeline (400).

2. A waterway system capable of reducing TDS value of a first cup of water according to claim 1, wherein: the pure water pipe (400) is provided with a second control valve (420) located between the pure water end (102) and the second water storage container (700), and the second return pipe (710) is located on the upstream side of the second control valve (420).

3. A waterway system capable of reducing TDS value of a first cup of water according to claim 1, wherein: the first water storage container (500) is further provided with a first concentrated water area (520), the first concentrated water area is provided with a first concentrated water drain port (521), the concentrated water area (520) is connected to the drainage pipeline (300) through a first concentrated water pipeline (810), a second one-way valve (820) is arranged on the first concentrated water pipeline (810), and the second one-way valve (820) controls liquid flowing through the drainage pipeline (300) to be conveyed to the first concentrated water area (520) in a one-way mode.

4. A waterway system for reducing TDS of a head cup of water according to claim 3, wherein: the first concentrated water drain port (521) is connected to the water inlet end of the water inlet pipeline (200) through a second concentrated water pipeline (830).

5. A waterway system for reducing TDS of a head cup of water according to claim 3, wherein: the drainage pipeline (300) is sequentially provided with a waste water valve (310), a third control valve (320) and a waste water port (330), and the first concentrated water pipeline (810) is connected between the waste water valve (310) and the third control valve (320).

6. A waterway system for reducing TDS of a head cup of water according to claim 3, wherein: the first concentrated water pipeline (810) is connected with a water pipeline (840) and the joint is positioned on the downstream side of the second one-way valve (820), and a second water taking switch (850) is installed at the water outlet end of the water pipeline (840).

7. The waterway system capable of reducing TDS value of a first cup of water according to claim 5, wherein: the first pure water area (510) is connected to the water inlet pipeline (200) through a first return pipeline (610), a first one-way valve (611) is arranged on the first return pipeline (610), the first one-way valve (611) controls liquid flowing through the first return pipeline (610) to be conveyed to the water inlet pipeline (200) in a one-way mode, the water draining pipeline (300) is connected with a pure water pipeline (340) and the joint is located on the upstream side of the waste water valve (310), and the pure water pipeline (340) is provided with a pure water port (341).

8. The waterway system capable of reducing TDS value of a first cup of water according to claim 7, wherein: the water inlet pipeline (200) is provided with a pre-filter element (230) and a first control valve (210), the pre-filter element (230) is positioned on the upstream side of the first control valve (210), and a joint of the first return pipeline (610) and the water inlet pipeline (200) is positioned between the pre-filter element (230) and the first supercharging device (220).

9. A waterway system for reducing TDS of a head cup of water according to claim 3, wherein: the first pure water region (510) is a first water bag with elasticity, and the first water bag is arranged in the first concentrated water region (520).

10. A waterway system capable of reducing TDS value of a first cup of water according to claim 1, wherein: the second water storage container (700) is provided with a second pure water area (720), and the second pure water area (720) is a second water bag with elasticity.