CN215516743U

CN215516743U - Water purification system and water purifier with same

Info

Publication number: CN215516743U
Application number: CN202023312186.4U
Authority: CN
Inventors: 王生乐
Original assignee: Dreame Innovation Technology Suzhou Co Ltd
Current assignee: Dreame Innovation Technology Suzhou Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-01-14
Anticipated expiration: 2030-12-31

Abstract

The application discloses water purification system includes: the main pipeline is used for connecting a raw water source; the reverse osmosis filter element is connected to the main pipeline and used for receiving the raw water pressurized by the booster pump; and the shunt pipeline is connected on the main pipeline and used for adjusting the flow rate of raw water flowing to the reverse osmosis filter element from the booster pump so as to adjust the membrane front pressure of the reverse osmosis filter element. According to the utility model, the flow dividing pipeline is arranged on the main pipeline, so that the flow of raw water flowing from the booster pump to the reverse osmosis filter element can be adjusted, the membrane front pressure of the reverse osmosis filter element can be adjusted, the booster pump can be matched with the reverse osmosis filter elements of various specifications, the convenient and fast adaptation of a water purification system is realized, the preliminary research time and cost are reduced, and the research and development efficiency is improved; in addition, the device is convenient for a user to adjust according to actual requirements in the subsequent use process so as to achieve the optimal use effect.

Description

Water purification system and water purifier with same

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of water purifiers, in particular to a water purification system and a water purifier with the same.

[ background of the utility model ]

Along with the deepening of health concept of people, the requirement on drinking water safety is higher and higher, and the most common household healthy drinking water at present is to use the purifier. The water purification system of purifier need for reverse osmosis filter core collocation booster pump, and the booster pump provides the required pressure of system water for the reverse osmosis membrane filter core, and the membrane is preceding pressed promptly, and then guarantees that the desalination of reverse osmosis filter core, waste water ratio are in suitable scope. When the membrane desalination device is used for matching, the membrane front pressure cannot be too high or too low, too high pressure can cause too large pressure bearing of the machine, so that the water leakage risk and the noise of the booster pump are increased, and too low desalination rate of the machine can cause insufficient drinking water.

In order to meet the drinking water experience requirements of people in the existing water purification market, the water purifiers on the market have more and more gradients, and the water purifiers with different gallon sizes are produced, so that the specifications of reverse osmosis filter elements are correspondingly different. The different of reverse osmosis filter core specification, required membrane prepressing diverse leads to the booster pump that needs the different specifications of cooperation to guarantee that membrane prepressing can not be too high, the desalination rate can not too low again, therefore the adaptation process is very loaded down with trivial details, has greatly increased the time and the cost of earlier stage research and development, also has inconvenience in subsequent use simultaneously too much.

[ Utility model ] content

To the weak point that exists in the above-mentioned technique, this application provides a water purification system and have its purifier, and it can make the reverse osmosis filter core of booster pump adaptation different specifications.

In order to solve the technical problem, the technical scheme adopted by the application is as follows: a water purification system comprising: the main pipeline is used for connecting a raw water source; the reverse osmosis filter element is connected to the main pipeline and used for receiving the raw water pressurized by the booster pump; and the shunt pipeline is connected on the main pipeline and used for adjusting the flow rate of raw water flowing to the reverse osmosis filter element from the booster pump so as to adjust the membrane front pressure of the reverse osmosis filter element.

In an embodiment of the present application, a shunt control valve for regulating the flow rate is connected to the shunt line.

In an embodiment of the present application, a pressure sensor for detecting a forward pressure of a membrane is connected to the main pipeline, the pressure sensor is electrically connected to the shunt control valve, and the shunt control valve is configured to adjust a flow rate of the shunt pipeline according to a signal of the pressure sensor.

In an embodiment of the present application, the booster pump includes a booster pump outlet, and one end of the shunt line is communicated with the booster pump outlet.

In an embodiment of the present application, the booster pump includes a booster pump inlet, and one end of the flow dividing line is communicated with the booster pump inlet.

In an embodiment of the present application, a first check valve is connected to the diversion pipeline, and the first check valve is configured to prevent raw water at the raw water source from flowing to the diversion control valve.

In an embodiment of the present application, the water purification system further comprises: the water inlet control valve is connected to the main pipeline to control the on-off of raw water flowing to the booster pump; and the pre-filter is connected on the main pipeline and positioned between the raw water source and the water inlet control valve.

In an embodiment of this application, the reverse osmosis filter core includes the pure water export, pure water exit linkage has and is used for detecting pure water export hydraulic high-voltage switch, high-voltage switch is configured to can transmit the signal to the booster pump, with control the operating condition of booster pump.

In an embodiment of the present application, a post-filter for filtering pure water is connected between the pure water outlet and the high-voltage switch, and a second check valve is connected between the post-filter and the high-voltage switch, and the second check valve is configured to prevent water from flowing back to the post-filter.

In addition, this application still provides a purifier, includes above-mentioned water purification system.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the flow dividing pipeline is arranged on the main pipeline, so that the flow of raw water flowing from the booster pump to the reverse osmosis filter element can be adjusted, the membrane front pressure of the reverse osmosis filter element can be adjusted, the booster pump can be matched with the reverse osmosis filter elements of various specifications, the convenient and fast adaptation of a water purification system is realized, the preliminary research time and cost are reduced, and the research and development efficiency is improved; in addition, the device is convenient for a user to adjust according to actual requirements in the subsequent use process so as to achieve the optimal use effect.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:

fig. 1 is a schematic view showing the structure of a water purification system according to the present invention.

Fig. 2 is a flow-splitting logic diagram of the water purification system of the present invention.

In the figure: 1. a main pipeline; 2. a booster pump; 21. the outlet of the booster pump; 22. a booster pump inlet; 3. a reverse osmosis filter element; 30. a water inlet; 31. a pure water outlet; 32. a waste water outlet; 4. a shunt line; 5. a source of raw water; 6. a shunt control valve; 7. a pressure sensor; 8. a water inlet control valve; 9. a first check valve; 10. a pre-filter; 11. a high voltage switch; 12. a post-filter; 13. a second one-way valve; 14. a pure water line; 15. a water taking switch; 16 a waste water line; 17 waste water control valve.

[ detailed description ] embodiments

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "comprising" and "having," as well as any variations thereof, in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1 and 2, a water purification system according to a preferred embodiment of the present invention includes a main pipeline 1 for connecting a raw water source 5; the reverse osmosis filter element 3 is connected to the main pipeline 1 and is used for receiving the raw water pressurized by the booster pump 2; and the shunt pipeline 4 is connected to the main pipeline 1 and used for adjusting the flow of raw water flowing from the booster pump 2 to the reverse osmosis filter element 3 so as to adjust the membrane front pressure of the reverse osmosis filter element 3.

The booster pump 2 comprises a booster pump outlet 21 and a booster pump inlet 22, the reverse osmosis filter element 3 comprises a water inlet 30, and the booster pump outlet 21 is respectively communicated with one end of the shunt pipeline 4 and the water inlet 30. The raw water pressurized by the booster pump 2 can partially flow into the shunt pipeline 4, so that the membrane front pressure of the reverse osmosis filter element 3 is adjusted.

The other end of the bypass line 4 is connected to the main line 1 on the side of the inlet 22 of the booster pump, so that the bypass line is communicated with the inlet 22 of the booster pump, and the raw water flowing out of the outlet 21 of the booster pump can flow back to the inlet 22 of the booster pump for reuse. Indeed, the other end of the diversion pipeline 4 may also be connected to a water storage tank (not shown) or a waste water pipeline (not shown).

In addition, a shunt control valve 6 is connected to the shunt pipeline 4 to adjust the raw water flow of the shunt pipeline 4 according to different requirements.

Preferably, the main pipeline 1 is connected with a pressure sensor 7, and the pressure sensor 7 is positioned at the front end of the water inlet 30 of the reverse osmosis filter element 3 so as to detect the membrane front pressure of the reverse osmosis filter element 3 in real time. The pressure sensor 7 is electrically connected to the shunt control valve 6, and the shunt control valve 6 is configured to adjust the flow rate of the shunt line 4 in accordance with a signal from the pressure sensor 7. Preferably, the flow dividing control valve 6 is an electric ball valve so as to accurately and automatically regulate and control the flow divided into the flow dividing pipeline 4.

In the present embodiment, the reverse osmosis filter element 3 can select a filter element with small flux, such as 75G or 150G, or can select other filter elements with large flux, such as 400G, 600G, 800G or 1000G or more. Preferably, in order to ensure that the booster pump 2 can be adapted to more reverse osmosis filter elements 3, the flow rate of the booster pump 2 needs to be larger than the flow rate required for filtering by the reverse osmosis filter elements 3, and in order to better embody the versatility of the booster pump, the booster pump with a large flow rate is preferably adopted.

Because when the water purification system is shut down, the booster pump 2 stops working, the pressure of the diversion control valve 6 is less than the tap water pressure for a short time, in order to protect the diversion control valve 6 and prevent the drain from flowing backwards, the diversion pipeline 4 is connected with a first one-way valve 9, and the first one-way valve 9 is configured to prevent the raw water at the raw water source 5 from flowing to the diversion control valve 6.

Preferably, the main pipe 1 is further connected to a water inlet control valve 8 for controlling on/off of raw water flowing to the booster pump 2, and the water inlet control valve 8 is connected to a front end of an inlet 22 of the booster pump to open the raw water source 5 when the water purification system starts to produce water and to shut off the raw water source 5 when the water purification system stops producing water. In the present embodiment, the water inlet control valve 8 is specifically an electromagnetic valve or an electrically operated valve, which can be electrically connected to an electric control board (not shown) of the water purification system, so as to achieve automatic regulation.

In addition, in order to prolong the service life of the reverse osmosis filter element 3, a pre-filter 10 is connected to the main pipeline 1 and is located at the upstream of the reverse osmosis filter element 3, so as to primarily filter the raw water flowing to the reverse osmosis filter element 3. Specifically, the pre-filter 10 is located between the raw water source 5 and the water inlet control valve 8, and the pre-filter 10 may include a single filter element or a plurality of filter elements, which specifically include at least one of a PP cotton filter element, a carbon rod, or a carbon fiber filter element. Preferably, the junction of the bypass line 4 and the main line 1 on the side of the booster pump inlet 22 is located downstream of the pre-filter 10, so as to prevent the raw water flowing back to the booster pump inlet 22 from being repeatedly filtered by the pre-filter 10, thereby prolonging the service life of the pre-filter 10.

In addition, the water purification system further comprises a pure water pipeline 14, the reverse osmosis filter element 3 comprises a pure water outlet 31 connected with one end of the pure water pipeline 14, the other end of the pure water pipeline 14 is connected with a water taking switch 15, and pure water generated after raw water entering the reverse osmosis filter element 3 through the water inlet 30 is filtered flows into the pure water pipeline 14 through the pure water outlet 31.

Preferably, a high-pressure switch 11 for detecting the water pressure of the pure water outlet 31 is connected to the pure water line 14, and the high-pressure switch 11 is configured to transmit a signal to the booster pump 2 to control the operating state of the booster pump 2. A post-filter 12 for filtering pure water is connected between the pure water outlet 31 and the high-voltage switch 11, and the post-filter 12 can perform secondary filtration on the pure water filtered by the reverse osmosis filter element 3 so as to improve the quality of the pure water. The post-filter 12 may comprise a single filter element or a plurality of filter elements, including in particular at least one of PP cotton filter elements, carbon rods or carbon fibre filter elements. Preferably, a second check valve 13 is connected between the post-filter 12 and the high-pressure switch 11, and the second check valve 13 is configured to prevent reverse flow of pure water back to the post-filter 12. Through setting up second check valve 13, can avoid pure water to flow back out pure water pipeline 14 through rearmounted filter 12, prevent pure water pipeline 14 decompression to ensure high pressure switch 11 normal operating.

The water purification system further comprises a waste water pipeline 16, the reverse osmosis filter element 3 further comprises a waste water outlet 32 connected with one end of the waste water pipeline 16, and waste water generated by water production of the reverse osmosis filter element 3 flows into the waste water pipeline 16 through the waste water outlet 32. Preferably, a wastewater control valve 17 for controlling the ratio of pure water to wastewater is connected to the wastewater line 16 to control the wastewater to be discharged in a certain ratio, so that the water-making rate of the reverse osmosis filter element 3 is ensured and the water is saved. In this embodiment, the waste water control valve 17 may specifically adopt an electromagnetic valve or an electrically operated valve to electrically connect with an electric control board of the water purification system, so as to realize automatic regulation and control.

The working process of the water purification system is as follows: firstly, setting a range value of the membrane front pressure to the pressure sensor 7 according to requirements;

when water is needed to be produced, the water inlet control valve 8 is opened, raw water flows into the main pipeline 1 from the raw water source 5, enters the booster pump 2 after being primarily filtered by the pre-filter 10, and is conveyed to the reverse osmosis filter element 3 after being boosted;

when the membrane front pressure provided by the booster pump 2 is too high, the pressure sensor 7 detects a signal and transmits the signal to the shunt control valve 6, the shunt control valve 6 adjusts the opening degree according to the signal so as to enable the water pressure to reach the set range of the pressure sensor 7, and at the moment, the shunt control valve 6 is continuously opened so as to ensure the membrane front pressure to be stable; raw water flows into the reverse osmosis filter element 3 within a set membrane front pressure range, so that the reverse osmosis filter element 3 is ensured to be well used;

pure water filtered by the reverse osmosis filter element 3 flows into the pure water pipeline 14 from the pure water outlet 31 and is further filtered by the post-filter 12, the filtered pure water flows to the water taking switch 15 after passing through the high-voltage switch 11, the water taking switch 15 is turned on, and then the pure water can be used, when the water taking switch 15 is turned off, the high-voltage switch 11 detects that the water pressure in the pure water pipeline 14 is too high, the high-voltage switch 11 is turned off, so that the booster pump 2 is controlled to stop working, and water production is correspondingly stopped;

the wastewater filtered by the reverse osmosis filter element 3 flows into the wastewater pipeline 16 through the wastewater outlet 32 and passes through the wastewater control valve 17 to discharge the wastewater in a certain proportion.

In addition, the utility model also provides a water purifier, which comprises a shell (not shown) and the water purifying system arranged in the shell.

In conclusion, the flow dividing pipeline is arranged on the main pipeline, so that the flow of raw water flowing from the booster pump to the reverse osmosis filter element can be adjusted, the membrane front pressure of the reverse osmosis filter element can be adjusted, the booster pump can be matched with the reverse osmosis filter elements of various specifications, the convenient adaptation of a water purification system is realized, the preliminary research time and cost are reduced, and the research and development efficiency is improved; in addition, the device is convenient for a user to adjust according to actual requirements in the subsequent use process so as to achieve the optimal use effect;

according to the utility model, the shunt valve is arranged on the shunt pipe, the pressure sensor electrically connected with the shunt valve is arranged at the front end of the reverse osmosis filter element, the pressure sensor can monitor the water pressure flowing into the reverse osmosis filter element in real time and transmit a signal to the shunt valve to adjust the opening degree of the reverse osmosis filter element, so that the reverse osmosis filter element is always in the required membrane front pressure range, the reverse osmosis filter element is further ensured to be in a good pressure environment, and the service life is prolonged.

The above description is only for the purpose of illustrating embodiments of the present invention and is not intended to limit the scope of the present invention, and all modifications, equivalents, and equivalent structures or equivalent processes that can be used directly or indirectly in other related fields of technology shall be encompassed by the present invention.

Claims

1. A water purification system, comprising:

a main pipeline (1) for connecting a raw water source (5);

a booster pump (2) connected to the main pipeline (1) for boosting the raw water in the main pipeline (1),

the reverse osmosis filter element (3) is connected to the main pipeline (1) and is used for receiving raw water pressurized by the booster pump (2); and

the flow dividing pipeline (4) is connected to the main pipeline (1) and used for adjusting the flow of raw water flowing to the reverse osmosis filter element (3) from the booster pump (2) so as to adjust the membrane front pressure of the reverse osmosis filter element (3).

2. Water purification system according to claim 1, wherein a shunt control valve (6) for regulating the flow is connected to the shunt line (4).

3. A water purification system according to claim 2, wherein a pressure sensor (7) is connected to the main pipe (1) for detecting a membrane front pressure, the pressure sensor (7) being electrically connected to the shunt control valve (6), the shunt control valve (6) being configured to regulate the flow of the shunt pipe (4) in dependence on a signal of the pressure sensor (7).

4. The water purification system as claimed in claim 1, wherein the booster pump (2) comprises a booster pump outlet (21), and one end of the shunt line (4) is communicated with the booster pump outlet (21).

5. The water purification system of claim 1, wherein the booster pump (2) comprises a booster pump inlet (22), and one end of the bypass line (4) communicates with the booster pump inlet (22).

6. A water purification system according to claim 2, wherein a first one-way valve (9) is connected to the diversion pipeline (4), the first one-way valve (9) being configured to prevent raw water at the raw water source (5) from flowing to the diversion control valve (6).

7. The water purification system of claim 1, further comprising:

the water inlet control valve (8) is connected to the main pipeline (1) to control the on-off of raw water flowing to the booster pump (2); and

the pre-filter (10) is connected to the main pipeline (1) and is positioned between the raw water source (5) and the water inlet control valve (8).

8. The water purification system of claim 1, wherein the reverse osmosis filter element (3) comprises a pure water outlet (31), a high-pressure switch (11) for detecting the water pressure of the pure water outlet (31) is connected to the pure water outlet (31), and the high-pressure switch (11) is configured to transmit a signal to the booster pump (2) to control the working state of the booster pump (2).

9. A water purification system according to claim 8, wherein a post-filter (12) for filtering pure water is connected between the pure water outlet (31) and the high-pressure switch (11), and a second one-way valve (13) is connected between the post-filter (12) and the high-pressure switch (11), the second one-way valve (13) being configured to prevent backflow of water into the post-filter (12).

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