CN216191270U - Hybrid water purification system - Google Patents

Abstract

The utility model discloses a mixed water purification system.A membrane filter element comprises a raw water end, a pure water end and a waste water end; the raw water pipeline is connected with a raw water end, and a first control valve and a supercharging device are arranged on the raw water pipeline; the pure water pipeline is connected with the pure water end, and the water outlet end of the pure water pipeline is provided with a water taking switch; the waste water pipeline is connected with the waste water end; the water mixing component is provided with a water mixing cavity which is communicated with the pure water pipeline; pure water prepared by the membrane filter element flows out from the pure water end, the pure water enters the water mixing cavity through the pure water pipeline and is mixed with water stored in the water mixing cavity, and the mixed water is returned to the pure water pipeline and then is discharged from the water outlet end of the pure water pipeline; the water mixing cavity is used as a transfer cavity, the water mixing cavity effectively dilutes the TDS value of the initial cup of water, and in the continuous water production process, the water with the TDS concentration increased due to the initial cup of water mixed in the water mixing cavity is neutralized by using the pure water subsequently entering the water mixing cavity, and meanwhile, the water storage capacity of the water mixing cavity is supplemented; the whole system is simple in structure and convenient to use and install.

Description

Hybrid water purification system

Technical Field

The utility model relates to a water purification system, in particular to a mixed water purification system.

Background

With the increasing concern of people on the health of drinking water, water purifying equipment enters thousands of households. Membrane cartridges, i.e., cartridges with reverse osmosis membranes, are often used in water purification plants. The membrane filter element filters raw water (tap water) to obtain wastewater and pure water. When the membrane filter element is in a standing state, the water concentration before the membrane is higher than that after the membrane, so that the water before the membrane permeates into the membrane, and the TDS value of the water after the membrane is increased. When the user is taking water, the TDS value of the first cup of water can be increased, and the drinking water health of the user is influenced. For this reason, the first cup of water needs to be treated for TDS concentration.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the related art. Therefore, the utility model provides a mixed water purification system.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a hybrid water purification system according to an embodiment of the first aspect of the utility model, comprises:

the membrane filter element comprises a raw water end, a pure water end and a waste water end;

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

the pure water pipeline is connected with the pure water end, and a water taking switch is arranged at the water outlet end of the pure water pipeline;

a waste water pipeline connected with the waste water end;

the water mixing component is provided with a water mixing cavity which is communicated with the pure water pipeline; wherein,

pure water prepared by the membrane filter element flows out from the pure water end, the pure water enters the water mixing cavity through the pure water pipeline and is mixed with water stored in the water mixing cavity, and the mixed water is discharged out of the water mixing cavity and flows to the water outlet end of the pure water pipeline.

The hybrid water purification system provided by the embodiment of the utility model at least has the following beneficial effects: the water mixing cavity is used as a transfer cavity, the water mixing cavity effectively dilutes the TDS value of the initial cup of water, and in the continuous water production process, the water with the TDS concentration increased due to the initial cup of water mixed in the water mixing cavity is neutralized by using the pure water subsequently entering the water mixing cavity, and meanwhile, the water storage capacity of the water mixing cavity is supplemented; the whole system is simple in structure and convenient to use and install.

According to some embodiments of the present invention, a mixing structure is disposed in the water mixing chamber, and the mixing structure is configured to mix water entering the water mixing chamber with water stored in the water mixing chamber.

According to some embodiments of the present invention, the mixed flow structure is that a water distribution pipe is disposed in the water mixing cavity, the water distribution pipe is provided with a plurality of water spraying ports, the pure water pipeline includes a first pipe section and a second pipe section, the first pipe section is connected between the pure water end and the water distribution pipe, and the second pipe section is connected to the water outlet of the water mixing cavity.

According to some embodiments of the present invention, the water mixing member is a composite filter element, the water mixing cavity is disposed in the composite filter element, the water mixing cavity is communicated with the first filtering module inside the composite filter element, and the composite filter element is connected to the raw water pipeline and the purified water pipeline.

According to some embodiments of the present invention, the first filtering module comprises a front filtering module and a rear filtering module, a water inlet passage of the front filtering module is communicated with external raw water, a water purifying passage of the front filtering module is communicated with the raw water passage, and a first filter material layer is arranged between the water inlet passage and the water purifying passage; wherein,

the first pipe section is communicated with the water mixing cavity, and the second pipe section is communicated with the water outlet passage; or,

the first pipe section is communicated with the water outlet passage, and the second pipe section is communicated with the water mixing cavity.

According to some embodiments of the present invention, the front filter module and the rear filter module are distributed up and down, a hollow central tube is disposed in the composite filter element, and the central tube vertically penetrates through the front filter module and the rear filter module;

the front-mounted filter module is hollow and cylindrical, the first filter material layer and the inner wall of the shell of the composite filter element form the water inlet passage at intervals, and the first filter material layer and the inner side cylindrical wall of the front-mounted filter module form the purified water passage at intervals;

the water mixing device is characterized in that a water passing passage is formed between the outer wall of the upper section of the central pipe and the inner side cylinder wall of the front filtering module at intervals, the water passing passage is communicated with the water outlet passage, and the lower section of the central pipe extends into the water mixing cavity.

According to some embodiments of the utility model, the lower section of the central tube is provided with a plurality of water through holes.

According to some embodiments of the utility model, a post-filter element is arranged on the pure water pipeline, the water mixing member is arranged in the post-filter element, and the water mixing cavity is communicated with the second filter module in the post-filter element.

According to some embodiments of the utility model, the waste conduit is provided with a waste valve for controlling waste water flux.

According to some embodiments of the utility model, a one-way valve and a pressure detection device are arranged on the plain water pipeline at the downstream side of the water mixing component.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the mixing member of FIG. 1;

FIG. 3 is a schematic diagram of a second embodiment of the present invention;

FIG. 4 is a schematic view of the composite filter element of FIG. 3;

FIG. 5 is an internal schematic view of FIG. 4;

FIG. 6 is a schematic view of one of the water flow embodiments of FIG. 5;

FIG. 7 is a schematic view of another water flow embodiment of FIG. 5;

fig. 8 is a third schematic diagram of an embodiment of the present invention.

Reference numerals:

a membrane cartridge 100; a raw water end 110; a pure water end 120; a waste water end 130;

a raw water line 200; a first control valve 210; a pressure boosting device 220; a front filter element 230; a rear carbon filter element 231;

a plain water line 300; a water outlet end 301; a water intake switch 310; a first tube segment 320; a second tube section 330; a check valve 340; a pressure detection device 350; a rear filter element 360; a second filter module 361;

a waste water line 400; a waste valve 410;

a water mixing member 500; a water mixing chamber 510; a water outlet 511; a water distribution pipe 520; a water jet 521; a composite filter element 600; a housing 610; a water inlet port 611; a clean water outlet 612; a pure water inlet 613; a pure water outlet 614; a water inlet line 601; a second control valve 602;

a pre-filter module 700; a water inlet passage 701; a purified water passage 702; a first filter material layer 710; an inner barrel wall 720;

a post-filter module 800; a housing 810; a second frit layer 820; a water outlet passage 801; a center tube 830; a water passage 803; a water through hole 804; an upper section 831; a lower segment 832.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

The present invention relates to a hybrid water purification system, which includes a membrane cartridge 100, a raw water pipeline 200, a pure water pipeline 300, a waste water pipeline 400, and a water mixing member 500. The membrane cartridge 100 is a cartridge having a reverse osmosis membrane structure. As shown in fig. 1, the membrane cartridge 100 is provided with a raw water port 110 connected to a raw water line 200, a pure water port 120 connected to a pure water line 300, and a waste water port 130 connected to a waste water line 400. The raw water pipeline 200 is provided with a first control valve 210 and a pressure increasing device 220, the first control valve 210 can select an electromagnetic valve to control the circulation or the shutoff of the raw water pipeline 200, and the pressure increasing device 220 can select a water pump. The water outlet end 301 of the pure water line 300 is provided with a water intake switch 310, and the water intake switch 310 may be a switch of a faucet or other water consuming device. The mixing member 500 has a mixing chamber 510, and the mixing chamber 510 is connected to the plain water line 300.

In operation, the user turns on the water intake switch 310, and at this time, the first control valve 210 and the pressure increasing device 220 operate, and an external water source such as tap water (raw water) enters the raw water pipeline 200, and enters the membrane filter element 100 through the raw water end 110 to be filtered, so as to obtain pure water and wastewater. The wastewater flows into the wastewater line through the wastewater port 130 and is discharged. Pure water enters the pure water pipeline 300 through the pure water end 120, and during the flowing process of the pure water pipeline 300, the pure water firstly enters the water mixing cavity 510, then flows back to the pure water pipeline 300 from the water mixing cavity 510, and finally is discharged from the water outlet end 301 for users to use. After the water intake switch 310 is turned off, the membrane filter element 100 continues to produce water, and the produced pure water flows into the water mixing chamber 510 and is stored to a certain amount. Subsequently, the system enters a standby state, i.e., the first control valve 210 and the pressure boosting device 220 are closed. In the standby state, the pre-membrane concentrated water in the membrane cartridge 100 permeates into the post-membrane pure water, and the TDS value of the post-membrane water increases. When the user gets water again, the water intake switch 310 is opened, the first control valve 210 and the supercharging device 220 are opened, water (initial water) with a high TDS value after the membrane of the membrane filter element 100 flows into the water mixing cavity 510 along the pure water pipeline 300 at first, and is mixed with pure water stored in the water mixing cavity 510, the TDS value of the mixed water is effectively reduced and is in accordance with the healthy range of water, and then the mixed water returns to the pure water pipeline 300 from the water mixing cavity 510, and flows and is discharged in the direction of the water outlet end 301 of the pure water pipeline 300 for the user to use. Mix water chamber 510 and as the transfer chamber, mix water chamber 510 and effectively dilute first cup of water TDS value, at continuous system water in-process, utilize the follow-up pure water that gets into in mixing water chamber 510, to mixing water chamber 510 because of mixing first cup of water and leading to the water that TDS concentration increases to carry out neutralization, the water storage capacity of filling mixing water chamber 510 simultaneously. The whole system is simple in structure and convenient to use and install.

In some embodiments of the present invention, the water mixing member 500 mainly includes, but is not limited to, the following two embodiments.

The first implementation mode comprises the following steps: as shown in fig. 1 and 2, the water mixing member 500 is a separate container-like structure, and the interior thereof is a water mixing chamber 510. Be provided with mixed flow structure in muddy water chamber 510, when water got into muddy water chamber 510, mix pure water and the water of storing in muddy water chamber 510 through mixed flow structure to effectively dilute the high first cup of water of TDS value. In this embodiment, the mixing structure may be that a water distributor 520 is disposed in the water mixing chamber 510, and the water distributor 520 may be disposed along the height direction of the water mixing chamber 510, or may be disposed in a surrounding manner. A plurality of water spraying nozzles 521 are arranged on the water distribution pipe 520. The water outlet 511 is arranged at the bottom of the water mixing cavity 510, and the position of the water outlet 511 is not limited to the bottom of the water mixing cavity 510. The plain water line 300 is divided into at least two sections, a first section 320 and a second section 330. The first pipe section 320 is connected between the pure water end 120 and the water distribution pipe 520, pure water prepared by the membrane filter element 100 enters the water mixing cavity 510 through the pure water end 120, the first pipe section 320, the water distribution pipe 520 and the water spray openings 521, and turbulent flow is formed in the water mixing cavity 510 by utilizing the water spray openings 521, so that the purpose of fully mixing water is achieved. One end of the second pipe section 330 is connected to the water outlet 511 of the water mixing chamber 510, and the mixed water is discharged through the water outlet 511 and the second pipe section 330 for use by a user. The mixing structure may also be a structure such as a spoiler disposed in the water mixing chamber 510.

Further, in order to improve the water quality, on the basis of the structure of the first embodiment, the pre-filter 230 is disposed on the raw water pipeline 200, the pre-filter 230 is preferably disposed upstream of the first control valve 210 and the pressure boosting device 220, and the pre-filter 230 may be a PP cotton filter or other filter. The raw water is first purified by the composite filter element 600 and then filtered in the membrane filter element 100. The pure water pipeline 300 is provided with the post-carbon filter element 231, preferably, the post-carbon filter element 231 is arranged at the downstream of the water mixing component 500, and the mouth feel is improved by secondarily purifying the pure water by the post-carbon filter element 231.

The second embodiment: as shown in fig. 3, 4, 5 and 6, the water mixing member 500 is a composite filter element 600, the water mixing chamber 510 is disposed in the composite filter element 600, the water mixing chamber 510 is communicated with the first filtering module in the composite filter element 600, and the composite filter element 600 is connected to the raw water pipeline 200 and the purified water pipeline 300.

Specifically, composite filter element 600 includes housing 610, and the first filter module includes a front filter module 700 and a rear filter module 800 installed in housing 610. In this embodiment, as shown in fig. 4, the top of the housing 610 is provided with a water inlet 611, a purified water outlet 612, a purified water inlet 613, and a purified water outlet 614. The front filter module 700 and the rear filter module 800 are vertically distributed in the housing 610. The pre-filter module 700 is hollow cylindrical and includes a first filter material layer 710 and an inner cylindrical wall 720, the inner cylindrical wall 720 is hollow cylindrical, the first filter material layer 710 surrounds the inner cylindrical wall 720, and the upper and lower end faces of the pre-filter module 700 can be sealed by end caps. The inner wall of the first filter material layer 710 and the inner wall 720 form a clean water passage 702 at intervals. The outer wall of the first filter material layer 710 forms a water inlet passage 701 at intervals between the shells 610. The water inlet passage 701 is connected to the water inlet port 611, and is connected to an external water source through the water inlet pipe 601. An external water source enters the housing 610, and is filtered and purified through the first filter material layer 710 to form purified water, the purified water flows into the purified water passage 702, and the purified water passage 702 is connected with the raw water pipeline 200 through the purified water outlet 612. In this embodiment, the second filter material layer 820 is disposed inside the casing 810 of the rear filter module 800, the second filter material layer 820 may be in a hollow cylinder shape, and the hollow portion of the second filter material layer 820 forms the water mixing cavity 510. A water outlet channel 801 is formed between the outer side of the second filter material layer 820 and the shell 810. The rear filter module 800 is inserted into the bottom of the front filter module 700, and a hollow center tube 830 is inserted into the front filter module 700 and the rear filter module 800. The upper section 831 of the central tube 830 is positioned in the hollow part of the inner side tube wall 720 of the front filter module 700, a water passing channel 803 is formed between the outer wall of the upper section 831 of the central tube 830 and the inner side tube wall 720, the upper end of the water passing channel 803 is communicated with the pure water outlet 614, and the lower end of the water passing channel is communicated with the water outlet channel 801. The lower section 832 of the central tube 830 extends into the water mixing chamber 510, and the upper end of the central tube 830 communicates with the pure water inlet 613. As shown in FIG. 6, the pure water line 300 is divided into a first pipe section 320 and a second pipe section 330, the first pipe section 320 is connected between the pure water port 120 and the pure water inlet 613, the second pipe section 330 is connected to the pure water outlet 614, and the water intake switch 310 is provided at the rear end of the second pipe section 330. During operation, water from a water source enters the raw water channel, and is filtered by the first filter material layer 710 to obtain purified water, and the purified water flows into the raw water channel 200 through the purified water channel 702. And then enters the membrane cartridge 100 for filtration. The obtained pure water flows into the water mixing cavity 510 along the central pipe 830 through the first pipe section 320, and the water in the water mixing cavity 510 is subjected to secondary purification through the second filter material layer 820, and then enters the water outlet passage 801, the water passing passage 803 and the second pipe section 330 to be discharged for use by a user. The water mixing chamber 510 is used to store a certain amount of pure water. When water is taken after the standby state, the first cup of water enters the water mixing cavity 510 for dilution.

As shown in fig. 7, the upper end of the water passage 803 may communicate with the pure water inlet 613, and the lower end may communicate with the water outlet passage 801. The lower section 832 of the center tube 830 extends into the water mixing chamber 510, and the upper end of the center tube 830 communicates with the pure water outlet 614. The first pipe section 320 is connected between the pure water port 120 and the pure water inlet 613, the second pipe section 330 is connected to the pure water outlet 614, and the water intake switch is provided at the rear end of the second pipe section 330. In operation, the flow direction of the pure water is that the pure water flows along the pure water end 120, the first pipe section 320, the pure water inlet 613, the water passing channel 803, the water outlet channel 801, the second filter material layer 820, the water mixing cavity 510, the central pipe 830, the pure water outlet 614 and the second pipe section 330. The water is mixed in the mixing chamber 510 in a direction opposite to the direction of the water flow of the rear filter module 800 in fig. 6.

The upper section 831 and the lower end 832 of the center tube 830 may be integrally formed, or may be connected in segments to form the center tube 830

In the second embodiment, the water mixing chamber 510 is applied to the composite filter element 600, so that the installation of the system is further simplified, and the use and maintenance are more convenient. The first filter material layer 710 can be a single-layer or multi-layer filter material such as PP cotton, and the second filter material layer 820 can be a single-layer or multi-layer filter material such as activated carbon.

On the basis of the structure of the second embodiment, the pipe wall of the lower section 832 of the central pipe 830 is provided with a plurality of water passing holes 804, and the central pipe 830 is communicated with the water mixing cavity 510 through the water passing holes 804, so that newly-entered water is fully mixed with stored water.

In the third embodiment, as shown in fig. 8, the pure water pipeline 300 is provided with a rear filter element 360, the water mixing member 500 is disposed in the rear filter element 360, and the water mixing chamber 510 is communicated with the second filter module 361 in the rear filter element 360. Specifically, the pure water enters the rear filter element 360 through the first pipe section 320 of the pure water pipe 300, the pure water is filtered by the second filter module 361 and then enters the water mixing cavity 510 for storage, when the pure water is used, the water in the first pipe section 320 enters the water mixing cavity 510 for mixing, and the mixed water flows to the water outlet end 301 through the second pipe section 330 and is discharged.

The second filtering module 361 can be a rear carbon or PP cotton.

In the water mixing type water purification system, the waste water valve 410 is arranged on the waste water pipeline 400, and the waste water valve 410 is used for controlling the waste water circulation of the waste water pipeline 400. The non-return valve 340 and the pressure detection device 350 are provided in the plain water line 300 (the second pipe segment 330) on the downstream side of the water mixing member 500. The check valve 340 ensures one-way flow of water to the water intake switch 310. When the water intake switch 310 is turned off and the water mixing chamber 510 is filled with pure water, the water pressure of the pure water pipeline 300 rises, and the water mixing type water purification system enters a shutdown standby state after the pressure detection device 350 detects high pressure.

In the description herein, references to the description of "some specific embodiments" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A hybrid water purification system, comprising:

a membrane cartridge (100) comprising a raw water end (110), a purified water end (120), and a waste water end (130);

the raw water pipeline (200) is connected with the raw water end (110), and a first control valve (210) and a pressurizing device (220) are arranged on the raw water pipeline (200);

the pure water pipeline (300) is connected with the pure water end (120), and a water taking switch (310) is arranged at the water outlet end (301) of the pure water pipeline (300);

a waste water line (400) connected to the waste water end (130);

a water mixing component (500), wherein the water mixing component (500) is provided with a water mixing cavity (510), and the water mixing cavity (510) is communicated with the pure water pipeline (300); wherein,

pure water prepared by the membrane filter element (100) flows out from the pure water end (120), the pure water enters the water mixing cavity (510) through the pure water pipeline (300) and is mixed with water stored in the water mixing cavity (510), and the mixed water is discharged from the water mixing cavity (510) and flows to the water outlet end (301) of the pure water pipeline (300).

2. A hybrid water purification system according to claim 1, wherein: a mixed flow structure is arranged in the water mixing cavity (510), and the mixed flow structure is used for mixing water entering the water mixing cavity (510) with water stored in the water mixing cavity (510).

3. A hybrid water purification system according to claim 2, wherein: the mixed flow structure is characterized in that a water distribution pipe (520) is arranged in the water mixing cavity (510), a plurality of water spray nozzles (521) are formed in the water distribution pipe (520), the pure water pipeline (300) comprises a first pipe section (320) and a second pipe section (330), the first pipe section (320) is connected between the pure water end (120) and the water distribution pipe (520), and the second pipe section (330) is connected to a water outlet (511) of the water mixing cavity (510).

4. A hybrid water purification system according to claim 1, wherein: mix water component (500) and be composite filter element (600), mix water chamber (510) and set up in composite filter element (600), just mix water chamber (510) with the inside first module intercommunication that filters of composite filter element (600), composite filter element (600) with former water pipeline (200), pure water pipeline (300) are connected.

5. A hybrid water purification system according to claim 4, wherein: the first filtering module comprises a front filtering module (700) and a rear filtering module (800), a water inlet passage (701) of the front filtering module (700) is communicated with external raw water, a water purifying passage (702) of the front filtering module (700) is communicated with the raw water pipeline (200), and a first filter material layer (710) is arranged between the water inlet passage (701) and the water purifying passage (702);

a second filter material layer (820) is arranged in the rear-mounted filter module (800), the inner side and the outer side of the second filter material layer (820) form the water mixing cavity (510) and the water outlet passage (801), and the pure water pipeline (300) comprises a first pipe section (320) and a second pipe section (330); wherein,

the first pipe section (320) is communicated with the water mixing cavity (510), and the second pipe section (330) is communicated with the water outlet passage (801); or,

the first pipe section (320) is communicated with the water outlet passage (801), and the second pipe section (330) is communicated with the water mixing cavity (510).

6. A hybrid water purification system according to claim 5, wherein: the front filtering module (700) and the rear filtering module (800) are distributed up and down, a hollow central pipe (830) is arranged in the composite filter element (600), and the central pipe (830) vertically penetrates through the front filtering module (700) and the rear filtering module (800);

the front-mounted filter module (700) is in a hollow cylinder shape, the water inlet passage (701) is formed between the first filter material layer (710) and the inner wall of the shell (610) of the composite filter element (600) at intervals, and the purified water passage (702) is formed between the first filter material layer (710) and the inner cylinder wall (720) of the front-mounted filter module (700) at intervals;

a water passage (803) is formed between the outer wall of the upper section (831) of the central tube (830) and the inner side tube wall (720) of the front-mounted filter module (700) at intervals, the water passage (803) is communicated with the water outlet passage (801), and the lower section (832) of the central tube (830) extends into the water mixing cavity (510).

7. A hybrid water purification system according to claim 6, wherein: and a plurality of water through holes (804) are formed in the pipe wall of the lower section (832) of the central pipe (830).

8. A hybrid water purification system according to claim 1 or 2, characterized in that: the pure water pipeline (300) is provided with a rear filter element (360), the water mixing component (500) is arranged in the rear filter element (360), and the water mixing cavity (510) is communicated with a second filtering module (361) in the rear filter element (360).

9. A hybrid water purification system according to claim 1, wherein: and a waste water valve (410) for controlling the waste water flux is arranged on the waste water pipeline (400).

10. A hybrid water purification system according to claim 1, wherein: and the pure water pipeline (300) is provided with a one-way valve (340) and a pressure detection device (350) on the downstream side of the water mixing component (500).

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