CN204918201U - Water purification system and water purifier - Google Patents

Abstract

The utility model discloses a water purification system and a water purifier, wherein the water purification system is provided with a water inlet end connected with a water source, a water outlet end used for supplying purified water, a first sewage discharging end and a second sewage discharging end used for discharging sewage; the water purification system comprises a first filter, a second filter connected with the first filter and an energy accumulator arranged between the first filter and the second filter; the water inlet of the first filter is connected with the water inlet end and the first sewage discharging end, the water outlet of the first filter is connected with the water inlet of the second filter, the water outlet of the second filter is connected with the water outlet end, the second filter is provided with a sewage draining outlet, the sewage draining outlet is connected with the second sewage discharging end, the first sewage discharging end is provided with a first electromagnetic valve, and a second electromagnetic valve is arranged between the sewage draining outlet and the second sewage discharging end. The utility model discloses a set up the energy storage ware between first filter and second filter, and then make the filtration membrane in first filter and the second filter wash cleaner.

Description

Water purification system and water purifier

technical field

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

Background technique

With the continuous development of science and technology, water purifiers have slowly entered the homes of the majority of users, and water purifiers have also played a very important role in the daily lives of users. At present, most of the water purifiers on the market use raw water to flush the RO membrane or nanofiltration membrane inside the water purifier. However, due to the excessive ion concentration of the raw water (especially in some poor water quality area), resulting in an unsatisfactory effect of cleaning the RO membrane or nanofiltration membrane in the water purifier.

Utility model content

The main purpose of the utility model is to provide a water purification system, aiming at better cleaning the filter membrane in the water purifier.

In order to achieve the above purpose, the utility model proposes a water purification system, the water purification system has a water inlet connected to a water source, a water outlet for supplying clean water, and a first sewage outlet and a second sewage outlet for discharging sewage. Two sewage ports; the water purification system includes a first filter, a second filter connected to the first filter, and an accumulator arranged between the first filter and the second filter; Wherein, the water inlet of the first filter is connected with the water inlet and the first sewage discharge port at the same time, the water outlet of the first filter is connected with the water inlet of the second filter, and the second The water outlet of the filter is connected to the water outlet, the second filter is provided with a sewage outlet, the sewage outlet is connected to the second sewage outlet, the first sewage outlet is provided with a first solenoid valve, the A second solenoid valve is provided between the sewage outlet and the second sewage discharge port.

Preferably, the accumulator has a water storage space for storing water, and the water inlet/outlet of the accumulator is arranged at the bottom of the accumulator.

Preferably, the accumulator is connected to the water outlet of the first filter and the water inlet of the second filter through a three-way valve, and the first sewage discharge port is connected to the water inlet and the water inlet through a three-way valve. Connect the water inlet of the first filter as described above.

Preferably, the first filter is an ultrafiltration membrane filter.

Preferably, the second filter is an RO membrane filter.

Preferably, a third filter is provided between the first filter and the water inlet, the water inlet of the third filter is connected to the water inlet, and the water outlet of the third filter Connect to the water inlet of the first filter.

Preferably, multiple third filters are provided between the first filter and the water inlet.

Preferably, a booster pump is provided between the water inlet end and the first filter.

Preferably, the water purification system further includes a water storage device located at the water outlet, the water storage device includes a post-treatment filter element, and a water tank connected to the post-treatment filter element, and the water tank is provided with a drain port for use in for users to fetch water.

The utility model also proposes a water purifier, which includes a casing and the above-mentioned water purification system, and the water purification system is fixedly arranged in the casing.

The technical solution of the utility model adopts a water purification system, and the water purification system has a water inlet connected to a water source, a water outlet for supplying purified water, and a first sewage discharge terminal and a second sewage discharge terminal for discharging sewage; The water purification system includes a first filter, a second filter connected to the first filter, and an accumulator arranged between the first filter and the second filter; wherein, the The water inlet of the first filter is connected with the water inlet and the first sewage discharge port at the same time, the water outlet of the first filter is connected with the water inlet of the second filter, and the outlet of the second filter The water outlet is connected to the water outlet, the second filter is provided with a sewage outlet, the sewage outlet is connected to the second sewage outlet, the first sewage outlet is provided with a first solenoid valve, and the sewage outlet is connected to the second sewage outlet. A second electromagnetic valve is arranged between the two sewage discharge ends. In this way, the water filtered through the first filter is driven by the accumulator to flow to the first filter and the second filter to clean the first filter and the second filter , making the cleaning of the first filter and the second filter cleaner.

Description of drawings

Fig. 1 is a structural schematic diagram of an embodiment of the water purification system of the present invention.

Explanation of reference numbers:

Water purification system 100 Water inlet 101 Water outlet 102 The first sewage discharge port 103 Second sewage discharge port 104 first filter 105 Second filter 106 Accumulator 107 Sewage outlet 1061 First solenoid valve 108 Second solenoid valve 109 Three-way valve 110 RO membrane 1061 third filter 111 booster pump 112

The realization of the purpose of the utility model, functional features and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

The technical solution of the present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The utility model provides a water purification system.

Referring to Fig. 1, Fig. 1 is a structural schematic diagram of an embodiment of the water purification system of the present invention.

In the embodiment of the utility model, the water purification system is as shown in FIG. 1 .

The technical solution of the utility model adopts a water purification system 100, the water purification system 100 has a water inlet 101 connected to a water source, a water outlet 102 for supplying clean water, and a first sewage discharge end 103 for discharging sewage and The second sewage terminal 104; the water purification system 100 includes a first filter 105, a second filter 106 connected with the first filter 105, and a filter set between the first filter 105 and the second filter The accumulator 107 between 106; wherein, the water inlet of the first filter 105 is connected with the water inlet 101 and the first sewage discharge port 103 at the same time, and the water outlet of the first filter 105 is connected with the The water inlet of the second filter 106 is connected, and the water outlet of the second filter 106 is connected with the water outlet 102. The second filter 106 is provided with a sewage outlet 1061, and the sewage outlet 1061 is connected to the second sewage outlet. The first sewage discharge port 103 is provided with a first solenoid valve 108 , and a second solenoid valve 109 is provided between the sewage discharge port 1061 and the second sewage discharge port 104 . In this way, the water filtered by the first filter 105 is stored in the accumulator 107, and when the first solenoid valve 108 and/or the second solenoid valve 109 are opened, the accumulator The water in 107 is driven by the accumulator 107 to flow to the first filter 105 and/or the second filter 106, so that the first filter 105 and/or the second filter 106 Cleaning, furthermore, makes the first filter 105 and the second filter 106 rinse cleaner.

Preferably, the accumulator 107 has a water storage space (not shown) for storing water, and the water inlet/outlet of the accumulator 107 is provided at the bottom of the accumulator 107 . In the process of water production, the water source flows to the first filter 105 through the water inlet 101, and then flows to the accumulator 107 and the second filter 106 after being filtered. The device 106 is provided with a filter membrane (not shown) for filtering water, and the water needs to reach a certain pressure to permeate through the filter membrane; thus, the water first flows into the accumulator 107 and is stored in the accumulator 107. In the accumulator 107, the air in the water storage space of the accumulator 107 is compressed with the inflow of water, and when the pressure of the water flow reaches the osmotic pressure of the filter membrane in the second filter 106, the water will permeate the filter membrane and flow to the water outlet 102; when the first filter 105 and/or the second filter 106 need to be cleaned, the first electromagnetic valve 108 and/or the third electromagnetic valve are opened, thereby allowing the storage The water in the accumulator 107 flows to the first filter 105 and/or the second filter 106 through the extrusion of the compressed gas, and then to the first filter 105 and/or the second filter The filter membrane in 106 is washed, and the ion concentration of the water filtered by the first filter 105 is lower than the ion concentration of the raw water, so that not only the filtration in the first filter 105 and the second filter 106 Membrane flushing is cleaner, which improves the service life of the first filter 105 and the second filter 106, and also improves the utilization rate of water and saves energy.

Further, the accumulator 107 is connected to the water outlet of the first filter 105 and the water inlet of the second filter 106 through a three-way valve 110 , and the first sewage discharge port 103 is connected to the water inlet of the second filter 106 through a three-way valve 110 . The water inlet 101 is connected to the water inlet of the first filter 105 . In this way, the disassembly of the accumulator 107 and the first sewage discharge port 103 is facilitated; at the same time, the replacement of the accumulator 107 or the first sewage discharge port 103 is also facilitated.

Preferably, the first filter 105 is an ultrafiltration membrane filter. The ultrafiltration membrane filter 105 is provided with an ultrafiltration membrane (not shown) for filtering water, and the surface of the ultrafiltration membrane is densely covered with many small pores that only allow water and small molecular substances to pass through and become permeable. liquid, and the substance in the raw liquid whose volume is larger than the pore diameter of the ultrafiltration membrane surface is trapped on the liquid inlet side of the ultrafiltration membrane and becomes a concentrated liquid, thus realizing the purification of the raw liquid; thus, the filtered water can be better Flush the filter membrane in the ultrafiltration membrane and the second filter 106, so that the ultrafiltration membrane and the filter membrane in the second filter 106 are cleaned more cleanly; meanwhile, it is also convenient for the The second filter 106 further purifies the filtered water.

Preferably, the second filter 106 is an RO membrane filter. The RO membrane filter 106 is provided with an RO membrane 1061 for filtering water. The water filtered by the first filter 105 flows into the second filter 106 through the water inlet of the second filter 106, and is further purified by the RO membrane 1061 to obtain pure water for supply to users.

Preferably, a third filter 111 is provided between the first filter 105 and the water inlet 101, the water inlet of the third filter 111 is connected to the water inlet 101, and the third The water outlet of the filter 111 is connected with the water inlet of the first filter 105 . The third filter 111 is provided with a composite filter element (not shown), the raw water flows into the third filter 111 through the water inlet of the third filter 111, and the third filter 111 is used for raw water After the initial filtration, the larger particles of impurities in the water are filtered out, so as to facilitate the subsequent purification of the water by the first filter 105 and the second filter 106 .

Further, a one-way valve (not shown) is provided between the water outlet of the third filter 111 and the first sewage discharge port 103 and the first filter 105 . In this way, when the ultrafiltration membrane in the first filter 105 needs to be flushed, the water is discharged from the first sewage discharge port 103 and does not flow into the third filter 111 .

Preferably, multiple third filters 111 are provided between the first filter 105 and the water inlet 101 . In this way, there are fewer large particle impurities in the water filtered by the plurality of third filters 111, thereby protecting the first filter 105 and the second filter 106, and improving the service life of the water purification system 100 .

Preferably, a booster pump 112 is provided between the water inlet 101 and the first filter 105 . In this way, the booster pump 112 provides enough power for the water to drive the water into the first filter 105 and the second filter 106, which facilitates the flow of the first filter 105 and the second filter 106. Filter the water.

Further, a third solenoid valve (not shown) is provided between the booster pump 112 and the water inlet 101 , and the third solenoid valve is used to control water entering the water purification system 100 .

Preferably, the water purification system 100 also includes a water storage device located at the water outlet 102, the water storage device includes a post-treatment filter element (not shown), and a water tank (not shown) communicated with the post-treatment filter element As shown in the figure), the water tank is provided with a drain port (not shown in the figure) for the user to take water. The post-treatment filter element is activated carbon, and the activated carbon is used to improve the taste of the purified water; the pure water filtered by the activated carbon is stored in the water tank, and the user can take the purified water through the outlet of the water tank, It makes taking water more convenient and fast.

The utility model also proposes a water purifier (not shown), the water purifier includes a housing (not shown) and a water purification system 100, the specific structure of the water purification system 100 refers to the above-mentioned embodiment, because this net The water dispenser adopts all the technical solutions of the above-mentioned embodiments, so it also has all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, and will not repeat them here. Wherein, the water purification system 100 is fixedly installed in the housing.

It should be noted that the technical solutions of the various embodiments of the present invention can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, people should consider this The combination of technical solutions does not exist, nor is it within the scope of protection required by the utility model.

The above are only preferred embodiments of the present utility model, and are not therefore limiting the patent scope of the present utility model. All equivalent structural transformations made by using the utility model specification and accompanying drawings are directly or indirectly used in other related technologies. Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (10)

1. a water cleaning systems, is characterized in that, described water cleaning systems have be connected with water source feed-water end, for supplying the water side of water purification, and for the first blowdown end of effluent sewerage and the second blowdown end; The second strainer that described water cleaning systems comprises the first strainer, is connected with described first strainer, and be arranged on the energy storage between described first strainer and the second strainer; Wherein, the water-in of described first strainer is connected with described feed-water end and the first blowdown end simultaneously, the water outlet of described first strainer is connected with the water-in of described second strainer, the water outlet of described second strainer is connected with described water side, described second strainer is provided with sewage draining exit, described sewage draining exit is connected with the second blowdown end, and described first blowdown end is provided with the first magnetic valve, is provided with the second magnetic valve between described sewage draining exit and the second blowdown end.

2. water cleaning systems as claimed in claim 1, it is characterized in that, described energy storage has the water space in order to water storage, and the inlet/outlet of described energy storage is located at the bottom of described energy storage.

3. water cleaning systems as claimed in claim 1, it is characterized in that, described energy storage is connected with the water outlet of described first strainer and the water-in of the second strainer by T-valve, and described first blowdown end is connected by the water-in of T-valve with described feed-water end and described first strainer.

4. water cleaning systems as claimed in claim 1, it is characterized in that, described first strainer is ultrafiltration membrane filter.

5. water cleaning systems as claimed in claim 1, it is characterized in that, described second strainer is RO film filter.

6. water cleaning systems as claimed in claim 1, it is characterized in that, be provided with the 3rd strainer between described first strainer and described feed-water end, the water-in of described 3rd strainer is connected with described feed-water end, and the water outlet of described 3rd strainer is connected with the water-in of the first strainer.

7. water cleaning systems as claimed in claim 6, is characterized in that, be provided with multiple described 3rd strainer between described first strainer and feed-water end.

8. water cleaning systems as claimed in claim 1, is characterized in that, be provided with topping-up pump between described feed-water end and the first strainer.

9. water cleaning systems as claimed in claim 1, it is characterized in that, described water cleaning systems also comprises the water storage device being located at described water side, the water tank that described water storage device comprises post-treatment filter and is communicated with described post-treatment filter, described water tank is provided with water port, fetches water with for user.

10. a water purifier, is characterized in that, comprise housing and the water cleaning systems as described in any one of claim 1 to 9, described water cleaning systems is fixed in described housing.