CN208747784U - Water treatment system and water purifier - Google Patents

Abstract

The utility model discloses a water treatment system and a water purifier. The water treatment system includes a water treatment unit, the water treatment unit includes a concentrated water outlet, and the water treatment system further includes a concentrated water discharge branch connected to the concentrated water outlet, and a control element for controlling the concentrated water discharge ratio is arranged on the concentrated water discharge branch. The processing system further includes a cleaning branch on which a cleaning unit is arranged, and cleaning substances in the cleaning unit can enter the control element through the cleaning branch to dissolve impurities in the control element. In the water treatment system and water purifier of the present invention, the cleaning substances in the cleaning unit can enter the control element through the cleaning branch to dissolve the impurities on the control element, so that the impurities on the control element can be easily Washed away by water, the control element is not easily blocked by impurities, the service life is increased, the replacement cycle is increased, and the cost is reduced.

Description

Water treatment system and water purifier

technical field

The utility model relates to the technical field of water treatment, in particular to a water treatment system and a water purifier.

Background technique

At present, with people's awareness of drinking water health, water purifiers are more and more recognized by everyone. The direct drinking water purifier in the prior art includes PP cotton, an activated carbon pre-filter and a reverse osmosis filter. After the raw water passes through the reverse osmosis membrane filter, pure water and waste water will be produced, and the waste water will pass through the waste water outlet of the waste water ratio valve. discharge. In the later stage of use of the waste water ratio valve in the above-mentioned direct drinking water purifier, the waste water outlet of the waste water ratio valve will be broken by activated carbon particles, PP surface plastic powder, mineral molecules, heavy metal ions, calcium carbonate crystals and other impurities and dirt and waste water. The microbial colloid is blocked, so that the waste water cannot be discharged from the waste water outlet, causing the waste water ratio valve to be scrapped. At the same time, when the waste water cannot be discharged from the waste water outlet of the waste water ratio valve, it will cause the membrane of the reverse osmosis filter element to be easily formed. The waste water ratio valve and the reverse osmosis filter element have a reduced service life, a shorter replacement cycle, and an increased cost.

Utility model content

In view of this, the purpose of the present invention is to provide a water treatment system and a water purifier with reduced cost.

To achieve the above object, on the one hand, the utility model adopts the following technical solutions:

A water treatment system includes a water treatment unit, the water treatment unit includes a concentrated water outlet, the water treatment system further includes a concentrated water discharge branch connected to the concentrated water outlet, and a control system is arranged on the concentrated water discharge branch. A control element for the proportion of concentrated water discharge, the water treatment system further includes a cleaning branch, a cleaning unit is arranged on the cleaning branch, and the cleaning substances in the cleaning unit can enter the control element through the cleaning branch to achieve Dissolves impurities in the control element.

Preferably, the cleaning branch is provided with a first control valve and/or a first one-way conducting element, wherein the first one-way conducting element is configured to only allow the fluid in the cleaning branch to flow to the control element; and/or,

The concentrated water discharge branch is provided with a second control valve and/or a second one-way conducting element, and the second one-way conducting element is arranged to allow only the concentrated water discharged from the concentrated water port to flow to the control element.

Preferably, the control element includes an inlet and an outlet, and both the fluid in the cleaning branch and the concentrated water in the concentrated water discharge branch enter the control element from the inlet and are discharged from the outlet. ;or,

The control element includes two inlets and an outlet, the fluid in the cleaning branch enters the control element from one of the inlets and is discharged from the outlet, and the concentrated water in the concentrated water discharge branch is discharged from the outlet. The other said inlet enters said control element and exits said outlet.

Preferably, the washing branch includes a water inlet end, and the water entering the water inlet is mixed with the cleaning substance in the cleaning unit and flows to the control element under the water pressure applied at the water inlet end; or,

A fluid driving device is arranged on the cleaning branch, and the cleaning substance in the cleaning unit flows to the control element under the action of the fluid driving device.

Preferably, the water treatment unit includes a reverse osmosis unit, the concentrated water port is provided on the reverse osmosis unit, and the water inlet end is connected to the waterway of the water treatment system and is located upstream of the reverse osmosis unit side.

Preferably, the water treatment unit includes a first pretreatment unit and a second pretreatment unit, the water treatment system includes a first purified water branch, and the water flowing through the first pretreatment unit passes through the first pretreatment unit. The second pre-processing unit is discharged through the first purified water branch, and the water inlet end of the cleaning branch is arranged between the first pre-processing unit and the second pre-processing unit.

Preferably, the water treatment system includes a reverse osmosis water inlet branch, the reverse osmosis unit is arranged on the reverse osmosis water inlet branch, and the water inlet end of the reverse osmosis water inlet branch is arranged on the first reverse osmosis water inlet branch. between the preprocessing unit and the second preprocessing unit.

Preferably, the control element includes a waste water proportional valve, a waste water hole is provided in the waste water proportional valve, and the cleaning branch is used for cleaning the waste water hole.

For achieving the above object, on the other hand, the utility model adopts the following technical solutions:

A water purifier includes the above water treatment system.

The water treatment system and the water purifier of the present invention are provided with a cleaning branch, and a cleaning unit is arranged on the cleaning branch, and the cleaning substances in the cleaning unit can enter the control element through the cleaning branch and then clean the control element. The impurities on the control element are dissolved, so that the impurities on the control element are easily washed away by water, the control element is not easily blocked by impurities, the service life is increased, the replacement cycle is increased, and the cost is reduced.

Description of drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.

Fig. 1 is the structural representation of the water treatment system of Example 1 in the specific embodiment of the present utility model;

Fig. 2 is the structural representation of the water treatment system of the second embodiment of the present utility model;

Fig. 3 is the structural representation of the water treatment system of the third embodiment of the present utility model;

FIG. 4 is a schematic structural diagram of the water treatment system of the fourth embodiment of the present invention.

In the picture:

100, water treatment unit; 110, post-treatment unit; 120, first pre-treatment unit; 130, second pre-treatment unit; 140, reverse osmosis unit;

200, the concentrated water discharge branch; 210, the second one-way conducting element;

300. Control elements;

400, cleaning branch; 410, cleaning unit; 420, first one-way conducting element; 430, fluid driving device;

500, the first purified water branch; 510, the flow meter;

600, reverse osmosis water inlet branch; 610, fourth control valve; 620, third one-way conducting element; 630, booster pump;

700, pure water branch;

800, water purification and water storage branch; 810, water storage part; 811, pressure vessel; 820, pressure switch.

Detailed ways

The present invention is described below based on examples, but the present invention is not limited to these examples. In the following detailed description of the invention, some specific details are described in detail.

Furthermore, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

Unless clearly required by the context, words such as "including", "comprising" and the like throughout the specification and claims should be construed in an inclusive rather than an exclusive or exhaustive sense; that is, "including but not limited to" meaning.

In the description of the present invention, it should be understood that the terms "first", "second" and the like are only used for descriptive purposes, and cannot be construed as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more.

Example 1

1, the water treatment system of the present invention includes a water treatment unit 100, the water treatment unit 100 includes a concentrated water outlet, and the water treatment system further includes a concentrated water discharge branch 200 connected to the concentrated water outlet, The concentrated water discharge branch 200 is provided with a control element 300 for controlling the concentrated water discharge ratio, the water treatment system further includes a cleaning branch 400, and a cleaning unit 410 is arranged on the cleaning branch 400, and the cleaning unit The cleaning substance in 410 can enter the control element 300 through the cleaning branch 400 to dissolve the impurities in the control element 300, so that the impurities on the control element 300 are easily washed away by water, and the control element 300 is not easily washed away. Impurities are blocked, the service life is increased, the replacement cycle is increased, and the cost is reduced.

The cleaning branch 400 is provided with a first one-way conducting element 420, wherein the first one-way conducting element 420 is arranged to allow the fluid in the cleaning branch 400 to flow to the control element 300, and the first one-way conducting element 420 is arranged. A one-way conducting element 420 can be, for example, a check valve. It can be understood that the first one-way conducting element 420 can be replaced by a first control valve.

The concentrated water discharge branch 200 is provided with a second one-way conducting element 210, the second one-way conducting element 210 is arranged to allow the concentrated water discharged from the concentrated water outlet to flow to the control element 300, and the second one-way conducting element 210 The passage element 210 can be, for example, a non-return valve. It can be understood that the second one-way conducting element 210 can be replaced by a second control valve.

The control element 300 includes an inlet and an outlet. The fluid in the cleaning branch 400 and the concentrated water in the concentrated water discharge branch 200 both enter the control element 300 from the inlet and then exit from the outlet. When the concentrated water flows through the control element 300, impurities doped in the concentrated water will block the control element 300, and the cleaning substances doped in the fluid in the cleaning branch 400 can remove the The impurities blocked on the control element 300 are dissolved, so that the impurities blocked on the control element 300 are easily washed away by water.

The control element 300 can be, for example, a waste water proportional valve, a waste water ratio solenoid valve, etc., which can adjust the discharge ratio of concentrated water. The waste water proportional valve, waste water ratio solenoid valve and other valves are provided with waste water holes. The concentrated water generated by the treatment unit 100 is discharged through the waste water hole. When the concentrated water flows through the waste water hole, impurities doped in the concentrated water will block the waste water hole. The cleaning branch 400 uses For cleaning the waste water hole, that is, the cleaning substances in the cleaning unit 410 flow through the waste water hole through the cleaning branch 400 to dissolve the impurities blocked in the waste water hole.

The water treatment unit 100 includes a first pretreatment unit 120 and a second pretreatment unit 130, the first pretreatment unit 120 includes an ultrafiltration filter element and a composite filter element, and the second pretreatment unit 130 includes PP cotton filter element, the water treatment system includes a first purified water branch 500, and the water flowing through the first pre-processing unit 120 passes through the second pre-processing unit 130 and then passes through the first purified water branch The first purified water branch 500 is provided with a flow meter 510, and the flow meter 510 is used to mark the service life of the second pre-processing unit 130.

The water treatment system includes a reverse osmosis water inlet branch 600, the water treatment unit 100 includes a reverse osmosis unit 140, and the reverse osmosis unit 140 is arranged on the reverse osmosis water inlet branch 600, and the reverse osmosis inlet The water inlet end of the water branch 600 is arranged between the first pre-processing unit 120 and the second pre-processing unit 130, the reverse osmosis unit 140 includes a reverse osmosis membrane, and the first pre-processing unit 140 includes a reverse osmosis membrane. The raw water processed by the treatment unit 120 is filtered into pure water and concentrated water after being filtered by the reverse osmosis membrane. The reverse osmosis unit 140 includes a concentrated water inlet and a pure water outlet, and the water treatment system also includes a pure water branch 700. The pure water branch 700 is communicated with the pure water outlet, the generated pure water flows through the pure water branch 700 and is discharged, and the concentrated water discharge branch 200 is connected to the concentrated water outlet, and the generated The concentrated water is discharged through the concentrated water discharge branch 200 through the concentrated water outlet.

The water treatment unit 100 further includes a post-processing unit 110 , the post-processing unit 110 is disposed on the pure water branch 700 , and the post-processing unit 110 includes a post-installation composite filter element.

The reverse osmosis water inlet branch 600 is provided with a fourth control valve 610 and a booster pump 630 , and the booster pump 630 is arranged before the water inlet of the reverse osmosis unit 140 .

The water treatment system further includes a water purification and water storage branch 800 connected to the reverse osmosis water inlet branch 600. A water storage part 810 is provided on the purified water storage branch 800, and the purified water is stored. The connection position of the branch circuit 800 and the reverse osmosis water inlet branch circuit 600 is located between the reverse osmosis unit 140 and the post-processing unit 110, and the water storage part 810 is arranged so that the reverse osmosis unit passes through the reverse osmosis unit 110. 140 purified water is stored in the water storage part 810. When drinking water is required, the purified water stored in the water storage part 810 is discharged through the pure water branch 700, without waiting for the reverse osmosis. The unit 140 purifies water, thereby shortening the time for taking water for drinking water, increasing the efficiency of taking water, and improving the user experience.

The water storage part 810 includes a pressure vessel 811, and a pressure switch 820 is also provided on the water purification and water storage branch circuit 800. The pressure in the pressure vessel 811 is controlled by the pressure switch 820 to realize the water treatment unit. 100 of water is stored in the pressure vessel 811, or the water in the pressure vessel 811 is discharged from the pure water branch 700. When the reverse osmosis unit 140 produces water, the pure water branch 700 is closed, and the reverse osmosis unit 140 closes the pure water branch 700. The water produced by the permeation unit 140 is stored in the pressure vessel 811 through the purified water storage branch 800 until the pressure in the pressure vessel 811 reaches the pressure value defined by the pressure switch 820 and water production is stopped.

A third one-way conducting element 620 is provided between the connection position of the water purification water storage branch 800 and the reverse osmosis water inlet branch 600 and the reverse osmosis unit 140 , and the third one-way conducting element 620 is set to only allow the pure water produced by the reverse osmosis unit 140 to flow to the pure water branch 700 or the purified water storage branch 800, and the third one-way conducting element 620 can be, for example, a check valve, when the When water is drawn from the pressure vessel 811 , the third one-way conducting element 620 can prevent the water in the pressure vessel 811 from flowing to the reverse osmosis unit 140 .

It can be understood that the third one-way conducting element 620 can be replaced by a third control valve, and the third control valve and the setting position of the third one-way conducting element 620 are the same.

Alternatively, the third control valve or the third one-way conducting element 620 is replaced with a three-way valve provided in the reverse osmosis unit 140, the purified water storage branch 800 and the post-processing unit 110, and by controlling the reverse osmosis unit 140, The permeation unit 140 is in communication with the water purification water storage branch 800, or the water purification water storage branch 800 is in communication with the post-processing unit 110, and can be connected to the third control valve or the third one-way guide The same effect as the pass element 620.

The washing branch 400 includes a water inlet end, and the water entering the water inlet end is mixed with the cleaning substance in the cleaning unit 410 and flows to the control element 300 under the water pressure applied at the water inlet end, and the water inlet The water end is connected to the waterway of the water treatment system and is located on the upstream side of the reverse osmosis unit 140. Specifically, the water inlet end of the cleaning branch 400 is set at the first pre-treatment unit 120 and the other end. On the reverse osmosis water inlet branch 600 between the second pre-processing units 130, the cleaning substances are transported to the control element 300 using the water treated by the first pre-processing unit 120, which can avoid the original Impurities in the water cause clogging of the control element 300 .

The cleaning substance can be a liquid, an object, a gas, and the cleaning substance is preferably a weak acid substance, such as a descaling agent.

Embodiment 2

The difference between the second embodiment and the first embodiment is that the cleaning branch 400 is different.

2 , the cleaning branch 400 is provided with a fluid driving device 430, and the fluid driving device 430 may be a pump, for example, the cleaning branch 400 and the reverse osmosis water inlet branch 600 are not connected, One end of the cleaning branch 400 is not communicated with any water circuit, and the other end of the cleaning branch 400 is communicated with the control element 300 . The cleaning branch 400 flows to the control element 300 .

Embodiment 3

The difference between the third embodiment and the first embodiment is that the control elements 300 are different.

Referring to FIG. 3 , in this embodiment, the control element 300 includes two inlets and one outlet, and the fluid in the cleaning branch 400 enters the control element 300 from one of the inlets and then flows from the outlet. To discharge, the concentrated water in the concentrated water discharge branch 200 enters the control element 300 from the other inlet and then is discharged from the outlet. The structure of the control element 300 of this embodiment is different from that of the first embodiment. However, both the control element 300 of this embodiment and the control element 300 of the first embodiment can control the discharge ratio of concentrated water.

Embodiment 4

The difference between the fourth embodiment and the second embodiment is that the control element 300 in the fourth embodiment is the control element 300 in the third embodiment. Referring to FIG. 4 , in this embodiment, the control element 300 includes two inlets and a One outlet, the fluid in the cleaning branch 400 enters the control element 300 from one of the inlets and is discharged from the outlet, and the concentrated water in the concentrated water discharge branch 200 enters from the other inlet The control element 300 is then discharged from the outlet. The structure of the control element 300 of this embodiment is different from that of the first embodiment. However, both the control element 300 of this embodiment and the control element 300 of the first embodiment can control the discharge ratio of concentrated water.

Embodiment 5

The water purifier of the present invention includes the above-mentioned water treatment system.

Embodiment 6

The control method of the present invention for the above-mentioned water treatment system, wherein the water treatment system has a cleaning mode, the control method includes: in the cleaning mode, controlling the cleaning substances in the cleaning unit 410 to pass through the cleaning The branch 400 enters the control element 300 to dissolve the impurities in the control element 300, so that the impurities on the control element 300 are easily washed away by water, the control element 300 is not easily blocked by impurities, the service life is increased, and the replacement cycle is increased , the cost is reduced, and the control method is simple.

The water treatment system also has a water making mode and a flushing mode, and the control method includes:

In the water production mode, the reverse osmosis unit 140 is controlled to produce water. When the reverse osmosis unit 140 produces water, concentrated water will be generated, and the concentrated water will be discharged through the waste water hole on the control element 300. During the long-term water production process of the reverse osmosis unit 140, the waste water holes on the control element 300 will be blocked by impurities. When the control element 300 is blocked, the reverse osmosis membrane in the reverse osmosis unit 140 is easily scrapped in a short time. The service life of the control element 300 and the reverse osmosis membrane is shortened, the replacement cycle is shortened, and the cost is increased.

In the flushing mode, the control flushes the reverse osmosis membrane of the reverse osmosis unit 140 . At this time, the reverse osmosis membrane of the reverse osmosis unit 140 is flushed, and the waste water after flushing the reverse osmosis membrane passes through the control element 300 . the flushing hole drains.

The cleaning mode is controlled to be set after the water production mode and before the flushing mode, that is, the water treatment system is controlled to run in the water production mode for the first time, and then the water treatment system is controlled to operate in the water production mode for the first time. In the cleaning mode, it runs for a second time, and finally the water treatment system is controlled to run in the flushing mode for a third time. In this way, in the water production mode, the wastewater generated by the reverse osmosis unit 140 flows through the control element 300, and impurities are blocked. On the control element 300 , in the cleaning mode, the cleaning substance in the cleaning unit 410 flows through the control element 300 to dissolve the impurities on the control element 300 , and in the rinse mode, the cleaning material on the control element 300 The dissolved impurities are flushed and discharged, thereby ensuring that the control element 300 is not blocked by impurities, extending the service life of the control element 300, and at the same time, the control element 300 is used normally, and the reverse osmosis unit can be increased. The service life of the reverse osmosis membrane of 140.

Those skilled in the art can easily understand that, on the premise of no conflict, the above preferred solutions can be freely combined and superimposed.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims (9)

1. A water treatment system is characterized by comprising a water treatment unit, wherein the water treatment unit comprises a concentrated water port, the water treatment system further comprises a concentrated water discharging branch connected with the concentrated water port, a control element for controlling the discharge proportion of concentrated water is arranged on the concentrated water discharging branch, the water treatment system further comprises a cleaning branch, a cleaning unit is arranged on the cleaning branch, and cleaning substances in the cleaning unit can enter the control element through the cleaning branch to dissolve impurities in the control element.

2. The water treatment system of claim 1 wherein the wash branch is provided with a first control valve and/or a first one-way directional communication element, wherein the first one-way directional communication element is arranged to allow fluid in the wash branch to flow to the control element; and/or the presence of a gas in the gas,

and a second control valve and/or a second one-way conduction element are/is arranged on the concentrated water discharge branch, and the second one-way conduction element is arranged to allow concentrated water discharged from the concentrated water port to flow to the control element.

3. The water treatment system of claim 1, wherein said control element includes an inlet and an outlet, and wherein the fluid in said cleaning branch and the concentrate in said concentrate discharge branch both enter said control element through said inlet and are discharged through said outlet; or,

the control element comprises two inlets and an outlet, the fluid in the cleaning branch is discharged from the outlet after entering the control element from one of the inlets, and the concentrated water in the concentrated water discharge branch is discharged from the outlet after entering the control element from the other inlet.

4. The water treatment system of claim 1 wherein the wash branch includes a water inlet end, water entering the water inlet end and cleaning substance in the cleaning unit being mixed and flowing toward the control element under water pressure applied at the water inlet end; or,

and a fluid driving device is arranged on the cleaning branch, and the cleaning substance in the cleaning unit flows to the control element under the action of the fluid driving device.

5. The water treatment system of claim 4, wherein the water treatment unit comprises a reverse osmosis unit, the concentrate inlet is disposed on the reverse osmosis unit, and the water inlet end is connected to a waterway of the water treatment system and is located on an upstream side of the reverse osmosis unit.

6. The water treatment system of claim 5, wherein the water treatment unit comprises a first pre-treatment unit and a second pre-treatment unit, the water treatment system comprises a first purified water branch, water flowing through the first pre-treatment unit passes through the second pre-treatment unit and then is discharged through the first purified water branch, and the water inlet end of the cleaning branch is arranged between the first pre-treatment unit and the second pre-treatment unit.

7. The water treatment system of claim 6, comprising a reverse osmosis water inlet branch, wherein the reverse osmosis unit is disposed on the reverse osmosis water inlet branch, and wherein a water inlet end of the reverse osmosis water inlet branch is disposed between the first pre-treatment unit and the second pre-treatment unit.

8. The water treatment system of any one of claims 1 to 7, wherein the control element comprises a waste water proportional valve having a waste water aperture disposed therein, the cleaning branch being for cleaning the waste water aperture.

9. A water purification machine comprising a water treatment system as claimed in any one of claims 1 to 8.