CN203728658U - Reverse osmosis water purification device with no pressure tank - Google Patents

Abstract

The utility model discloses a reverse osmosis water purification device without a pressure tank, which comprises: an ultrafiltration filter element, which is provided with a raw water inlet and a purified water outlet; The clean water inlet, pure water outlet and concentrated water outlet connected to the water outlet; the booster pump, the booster pump is installed before the clean water inlet; the rear activated carbon filter is installed at the pure water outlet and a water storage tank, the water storage tank is provided with an inlet and outlet pipe extending from the top of the water storage tank to the bottom, the upper part of the water storage tank is provided with an exhaust port, and the water storage tank is located between the pure water outlet and the rear activated carbon filter element. The upper ends of the water pipes are respectively connected with the pure water outlet and the rear activated carbon filter element or the water inlet and outlet pipes of the water storage tank are connected with the water outlet of the rear activated carbon filter element. According to the reverse osmosis water purification equipment without pressure tank of the embodiment of the utility model, the water production efficiency is high, the cleaning is convenient, and the use is safe and reliable.

Description

Reverse osmosis water purification equipment without pressure tank

technical field

The utility model relates to the technical field of water purification equipment, in particular to a reverse osmosis water purification equipment without a pressure tank.

Background technique

Because reverse osmosis water purification equipment produces water slowly, it cannot meet the needs of users for immediate use after filtration. Therefore, it is necessary to store the prepared pure water for use by users. Reverse osmosis water purification equipment usually uses a pressure water storage tank to store pure water. As the water volume in the pressure water storage tank increases, its internal pressure increases, resulting in an increase in the pressure of the pure water outlet of the reverse osmosis filter element, and back pressure occurs, reducing The water production efficiency of the reverse osmosis filter element is improved. At the same time, the pressure water storage tank adopts a pressure-tight structure, which cannot be disassembled and washed, resulting in inconvenient cleaning, and the pressure water storage tank has a large volume, takes up space, and has poor performance. In addition, reverse osmosis water purification equipment usually only provides reverse osmosis pure water, which cannot meet the needs of users for various water qualities.

Utility model content

The utility model aims to solve one of the above-mentioned technical problems at least to a certain extent.

For this reason, an object of the utility model is to propose a reverse osmosis water purification device without a pressure tank with high water production efficiency and convenient cleaning.

The reverse osmosis water purification equipment without pressure tank according to the utility model comprises: an ultrafiltration filter element, which is provided with a raw water inlet and a purified water outlet; a reverse osmosis filter element, which is provided with A clean water inlet, a pure water outlet and a concentrated water outlet connected to the clean water outlet; a booster pump, the booster pump is arranged before the clean water inlet; a rear activated carbon filter element, the The rear activated carbon filter element is located at the pure water outlet; and a water storage tank, the water storage tank is provided with an inlet and outlet pipe extending from the top of the water storage tank to the bottom, and the upper part of the water storage tank is provided with an exhaust port , the water storage tank is located between the pure water outlet and the post-installed activated carbon filter element, and the upper ends of the water inlet and outlet pipes are respectively connected to the pure water outlet and the post-installed activated carbon filter element or the water storage tank The water inlet and outlet pipes are connected to the water outlet of the post activated carbon filter element.

According to the reverse osmosis water purification equipment without pressure tank of the utility model, by setting the water storage tank, and setting the water inlet and outlet pipes and the exhaust port on the upper part of the water storage tank, the equipment can use the exhaust port on the water storage tank during the water production process Compared with the water purification equipment with pressure tank, there will be no back pressure phenomenon and the water production efficiency will be improved; and the water storage tank has a non-pressure sealed structure and can be disassembled, which is more convenient for cleaning and safer and more reliable for use.

In addition, the reverse osmosis water purification equipment without pressure tank according to the utility model can also have the following additional technical features:

According to an embodiment of the present utility model, the upper end of the water inlet and outlet pipe is connected with the pure water outlet and the rear activated carbon filter element through a tee.

According to an embodiment of the present utility model, a filter screen for filtering gas is provided at the exhaust port.

According to an embodiment of the utility model, the filter net is non-woven fabric.

According to an embodiment of the present utility model, a water level detection device for detecting the water level in the water storage tank is further provided in the water storage tank.

According to an embodiment of the present invention, the water level detection device is a signal floating ball, and the signal floating ball communicates with the outside world through a signal line.

According to an embodiment of the present invention, the water level detection device includes a water full signal float located at the upper part of the water storage tank and a water control signal float located at the middle of the water storage tank.

According to an embodiment of the present invention, the reverse osmosis water purification equipment without a pressure tank further includes: a water outlet solenoid valve, and the water outlet solenoid valve is arranged between the pure water outlet and the post-installed activated carbon filter element.

According to an embodiment of the present invention, the reverse osmosis water purification equipment without a pressure tank further includes: a self-priming booster pump, and the self-priming booster pump is arranged between the pure water outlet and the water outlet solenoid valve .

According to an embodiment of the present invention, the reverse osmosis water purification equipment without a pressure tank further includes: a water purification outlet terminal, and the water purification outlet terminal is arranged between the water purification outlet and the water purification inlet.

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

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is the schematic structural view of the reverse osmosis water purification equipment without pressure tank according to an embodiment of the present invention;

Fig. 2 is the structural representation of the water storage tank of the reverse osmosis water purification equipment without pressure tank according to an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a reverse osmosis water purification device without a pressure tank according to another embodiment of the present invention.

Reference signs:

Reverse osmosis water purification equipment 100 without pressure tank;

Ultrafiltration filter element 10; raw water inlet 11; purified water outlet 12; flushing water outlet 13;

Reverse osmosis filter element 20; clean water inlet 21; pure water outlet 22; concentrated water outlet 23;

booster pump 30a; self-priming booster pump 30b;

Purified water outlet terminal 40a; pure water outlet terminal 40b;

Tap water inlet 50; Faucet 51;

Tee 60 (60a); the first exit 61 (61a); the second exit 62 (62a); the third exit 63 (63a);

Water inlet solenoid valve 71; water outlet solenoid valve 72 (72a); waste water solenoid valve 73;

Front activated carbon filter element 81; rear activated carbon filter element 82; water outlet 821;

Water storage tank 90; water inlet and outlet pipe 91; signal line 92; water full signal float 93; water control signal float 94; exhaust port 95.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying No device or element must have a specific orientation, be constructed and operate in a specific orientation, and thus should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

The reverse osmosis water purification equipment 100 without a pressure tank according to the embodiment of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in Figures 1 to 3, the reverse osmosis water purification equipment 100 without a pressure tank according to the embodiment of the present invention includes an ultrafiltration filter element 10, a reverse osmosis filter element 20, a booster pump 30a, a post activated carbon filter element 82 and a water storage tank 90. Specifically, the ultrafiltration element 10 is provided with a raw water inlet 11 and a purified water outlet 12 . The reverse osmosis filter element 20 is provided with a clean water inlet 21 , a pure water outlet 22 and a concentrated water outlet 23 communicating with the purified water outlet 12 . The booster pump 30 a is arranged before the clean water inlet 21 , and the rear activated carbon filter element 82 is arranged at the pure water outlet 22 . The water storage tank 90 is provided with a water inlet and outlet pipe 91 extending from the top to the bottom of the water storage tank 90 , and an air outlet 95 is provided at the top of the water storage tank 90 . The water storage tank 90 is located between the pure water outlet 22 and the rear activated carbon filter element 82 and the upper end of the water inlet and outlet pipe 91 is connected to the pure water outlet 22 and the rear activated carbon filter element 82 respectively or the inlet and outlet water pipe 91 of the water storage tank 90 is connected to the rear activated carbon filter element 82. The water outlet 821 of the carbon filter element 82 is connected.

According to the reverse osmosis water purification equipment 100 without pressure tank of the embodiment of the present utility model, by setting the water storage tank 90, and setting the water inlet and outlet pipe 91 and the exhaust port 95 on the upper part of the water storage tank 90, the equipment can be used in the water production process The exhaust port 95 on the water storage tank 90 is exhausted. Compared with the water purification equipment with a pressure tank, there will be no back pressure phenomenon, which improves the water production efficiency; and the water storage tank 90 is non-pressure sealed structure and can be disassembled , Cleaning is more convenient, and use is safer and more reliable.

Specifically, the raw water inlet 11 of the ultrafiltration filter element 10 is connected to the tap water inlet 50 so that tap water can enter the ultrafiltration filter element 10 from the tap water inlet 50 . After the tap water is filtered by the ultrafiltration filter element 10 , it flows out from the clean water outlet 12 , and enters the reverse osmosis filter element 20 from the clean water inlet 21 after being pressurized by the booster pump 30 a. The concentrated water (waste water) obtained after filtering by the reverse osmosis filter element 20 flows out from the concentrated water outlet 23 , and the obtained pure water flows out from the pure water outlet 22 .

When the water storage tank 90 is arranged between the pure water outlet 22 and the rear activated carbon filter element 82, the water flowing out from the pure water outlet 22 flows into the water storage tank 90 from the water inlet and outlet pipe 91, and in the process of pure water flowing into the water storage tank 90 , the exhaust port 95 on the water storage tank 90 can discharge the gas in the water storage tank 90, thereby making the inflow of pure water smoother, and avoiding the generation of back pressure caused by the pressure rise in the water storage tank 90, so that the reverse osmosis The filter element 20 works well and improves the efficiency of water production. Further, the pure water in the water storage tank 90 can flow out of the water storage tank 90 through the water inlet and outlet pipe 91, and flow into the rear activated carbon filter element 82, and then flow out after the rear activated carbon filter element 82 adjusts the taste.

When the water inlet and outlet pipe 91 of the water storage tank 90 is connected to the water outlet of the post activated carbon filter element 82, the pure water flowing out from the pure water outlet 22 is then filtered through the post activated carbon filter element 82, and then flows out from the outlet of the post activated carbon filter element 82. The water port 821 flows into the water storage tank 90, and the air outlet 95 provided on the water storage tank 90 can also discharge the gas in the water storage tank 90, so that the inflow of pure water is smoother.

Further, the reverse osmosis water purification device 100 without a pressure tank may further include a pure water outlet terminal 40b, and the pure water outlet terminal 40b may communicate with the pure water outlet 22 . Thus, the pure water flowing out from the pure water outlet 22 can flow into the connected pure water outlet terminal 40b, so that it is convenient for users to take water and it is more convenient to use.

It should be noted that for the reverse osmosis water purification equipment that uses a pressure water storage tank to store pure water, as the water volume in the pressure water storage tank increases, the internal pressure will increase, which in turn will lead to the pressure of the pure water outlet. Increase, resulting in back pressure phenomenon, reducing the water production efficiency of the reverse osmosis filter element. At the same time, the pressure water storage tank adopts a pressure-tight structure, which cannot be disassembled and is inconvenient to clean. And the volume of the pressure water storage tank is relatively large, and the occupied space is relatively large.

And according to the reverse osmosis water purification equipment 100 without pressure tank of the embodiment of the present invention, the water storage tank 90 with the air outlet 95 is used instead of the pressure water storage tank, and the water storage tank 90 can be exhausted during the water production process, thereby There will be no back pressure phenomenon, which improves the efficiency of water production. At the same time, the water storage tank 90 can be easily disassembled and cleaned, and its volume can be designed according to needs to reduce the occupied space.

According to an embodiment of the present invention, the air outlet 95 is provided with a filter screen for filtering the gas, so as to prevent secondary pollution of the pure water stored in the water storage tank 90 by outside air. Optionally, in a specific embodiment of the present invention, the filter is non-woven fabric. Using non-woven fabric as the filter screen is easy to install and low in cost.

In order to clearly know the amount of pure water stored in the water storage tank 90 , optionally, according to an embodiment of the present invention, a water level detection device for detecting the water level in the water storage tank 90 is also provided in the water storage tank 90 . Specifically, according to an embodiment of the present invention, the water level detection device is a signal floating ball, and the signal floating ball communicates with the outside world through a signal line 92 . The signal floating ball can change with the change of the water level of the pure water in the water storage tank 90 , and can be transmitted to the outside through the signal line 92 , so that it is convenient to know the amount of pure water stored in the water storage tank 90 . When the water level of pure water rises, the signal float floats up; when the water level of pure water drops, the signal float moves down.

Specifically, according to an embodiment of the present invention, the water level detection device includes a water full signal float 93 located at the upper part of the water storage tank 90 and a water control signal float 94 located at the middle of the water storage tank 90 . That is, when the water level of the pure water stored in the water storage tank 90 drops to the position where the water production signal float 94 is located, the water production signal float 94 will send a water production signal through the signal line 92, so that the reverse osmosis tank without pressure can The water purification equipment 100 starts water production; when the water level of the pure water stored in the water storage tank 90 rises to the position where the water full signal float 93 is located, the water full signal float 93 will send a water full signal through the signal line 92, and then Prompt the reverse osmosis water purification equipment 100 without pressure tank to stop water production.

Further, according to an embodiment of the present invention, the upper end of the water inlet and outlet pipe 91 is connected with the pure water outlet 22 and the rear activated carbon filter element 82 through the tee 60a. That is, the first outlet 61a of the tee 60a is connected to the pure water outlet 22 , the second outlet 62a is connected to the water inlet and outlet pipe 91 , and the third outlet 63a is connected to the rear activated carbon filter element 82 . Thus, the purified water from the pure water outlet 22 can enter the tee 60a from the first outlet 61a, and be divided into two parts in the tee 60a. A part of pure water flows out from the second outlet 62 a and flows into the water storage tank 90 ; another part of pure water flows out from the third outlet 63 a and then flows into the rear activated carbon filter element 82 . Wherein, the pure water flowing into the water storage tank 90 may also enter the second outlet 62a of the tee 60a through the water inlet and outlet pipe 91, and flow into the rear activated carbon filter element 82 from the third outlet 63a. The setting of the tee 60a simplifies the installation structure of the waterway.

Correspondingly, the purified water outlet terminal 40 a can also be connected with the purified water outlet 12 and the purified water inlet 21 through the tee 60 . As shown in FIG. 1 , the first outlet 61 of the tee 60 is connected to the purified water outlet terminal 40 a , the second outlet 62 is connected to the purified water outlet 12 , and the third outlet 63 is connected to the purified water inlet 21 . Thus, the purified water from the purified water outlet 12 can enter the tee 60 from the second outlet 62 and be divided into two parts in the tee 60 . A part of clean water flows out from the first outlet 61 , and then flows into the water purification outlet terminal 40 a; The setting of the tee 60 further simplifies the installation structure of the waterway.

According to an embodiment of the present utility model, the reverse osmosis water purification equipment 100 without pressure tank further includes a water outlet solenoid valve 72a, and the water outlet solenoid valve 72a is arranged between the pure water outlet 22 and the rear activated carbon filter element 82 . The water outlet solenoid valve 72a can control the outflow of pure water. When the water outlet solenoid valve 72a is opened, the pure water flowing out from the pure water outlet 22 can flow into the rear activated carbon filter element 82 through the water outlet solenoid valve 72a; and when the water outlet solenoid valve 72a When closed, pure water will not flow into the post activated carbon filter element 82 . The setting of the water outlet solenoid valve 72a can realize the automatic control of water intake by the user.

Correspondingly, a water outlet solenoid valve 72 may also be provided between the purified water outlet 12 and the purified water outlet terminal 40a. The water outlet solenoid valve 72 can control the outflow of clean water. Specifically, when the water outlet solenoid valve 72 is opened, the clean water flowing out from the ultrafiltration filter element 10 can flow to the clean water outlet terminal 40a through the water outlet solenoid valve 72; When closed, the clean water flowing out from the ultrafiltration filter element 10 will not be able to flow out through the water outlet solenoid valve 72 . The setting of the water outlet electromagnetic valve 72 facilitates the automatic control of the user's access to clean water. Similarly, a wastewater solenoid valve 73 may also be provided between the concentrated water outlet 23 and the reverse osmosis filter element 20 to facilitate the control of the concentrated water outflow.

Considering that there is no pressure in the water storage tank 90, therefore, in order to make the pure water in the water storage tank 90 flow out smoothly, a device that provides water outlet power is also required. Optionally, according to an embodiment of the present utility model, the reverse osmosis water purification equipment 100 without a pressure tank further includes a self-priming booster pump 30b, and the self-priming booster pump 30b is arranged at the pure water outlet 22 and the water outlet solenoid valve 72a Between, the rear activated carbon filter element 82 is arranged after the self-priming booster pump 30b. At this time, the pure water in the water storage tank 90 or the reverse osmosis filter element 20 can smoothly flow out and flow into the rear activated carbon filter element 82 under the action of the self-priming booster pump 30b, and then flow into the Pure water outlet terminal 40b.

In another specific embodiment of the present utility model, the rear activated carbon filter element 82 is arranged before the self-priming booster pump 30b, as shown in Figure 3, the rear activated carbon filter element 82 is arranged at the pure water outlet 22 and the self-priming booster pump. between pumps 30b. Thus, the pure water produced by the reverse osmosis filter element 20 can directly pass through the rear activated carbon filter element 82 to adjust the taste, and then flow into the water storage tank 90 from the tee 60d. When used, the pure water passing through the reverse osmosis filter element 20 can flow into the pure water outlet terminal 40b under the action of the self-priming booster pump 30b. Thus, placing the post activated carbon filter element 82 before the self-priming booster pump 30b can make full use of the pressure of the pure water outlet 22 of the reverse osmosis filter element 20, while reducing the pumping pressure of the self-priming booster pump 30b , reducing the requirement on the self-priming booster pump 30b and improving the stability of the system.

According to an embodiment of the present utility model, the reverse osmosis water purification equipment 100 without pressure tank further includes a water purification outlet terminal 40a, and the water purification outlet terminal 40a is arranged between the water purification outlet 12 and the water purification inlet 21 . The water purification outlet terminal 40a can provide users with purified water filtered by the ultrafiltration filter element 10, so that the reverse osmosis water purification equipment 100 without a pressure tank can not only provide reverse osmosis pure water, but also provide ultrafiltration purified water. There are more varieties to meet the needs of users for different water quality. Among them, the purified water outlet terminal and the pure water outlet terminal can be integrated into one to facilitate users to take water.

Further, the ultrafiltration element 10 may also be provided with a flushing water outlet 13 , the raw water inlet 11 is adapted to communicate with the tap water inlet 50 , and the flushing water outlet 13 is adapted to communicate with the faucet 51 . Wherein, the faucet 51 can be a manual ball valve faucet. When the water tap 51 is opened, tap water can flow into the ultrafiltration filter element 10 from the tap water inlet 50 , and flow out from the flushing water outlet 13 , and finally flow out from the water tap 51 to realize the flushing of the ultrafiltration filter element 10 . That is, the user can complete the flushing of the ultrafiltration filter element 10 while taking tap water, and the use function is better.

The working process of the reverse osmosis water purification equipment 100 without pressure tank according to the embodiment of the present utility model will be described in detail below.

When the user activates the reverse osmosis water purification equipment 100 without a pressure tank, the water inlet solenoid valve 71 is opened, and the booster pump 30 a located between the ultrafiltration filter element 10 and the reverse osmosis filter element 20 works. Tap water flows out from the tap water inlet 50 , and flows into the ultrafiltration filter element 10 from the raw water inlet 11 , becomes clean water after being filtered by the ultrafiltration filter element 10 , and flows out from the purified water outlet 12 . The clean water flows into the pre-activated carbon filter element 81 to make the taste of the clean water better, and then flows into the tee 60. The purified water is divided into two parts in the tee 60, a part of the purified water flows out from the first outlet 61 of the tee 60, passes through the opened water outlet solenoid valve 72, and reaches the purified water outlet terminal 40a; The third outlet 63 flows out, and reaches the booster pump 30 through the opened water inlet solenoid valve 71, and enters the reverse osmosis filter element 20 from the clean water inlet 21 after being pressurized in the booster pump 30, and can be filtered through the reverse osmosis filter element 20. Obtain pure water and concentrated water. The concentrated water can flow out from the concentrated water outlet 23 through the opened waste water solenoid valve 73 .

The pure water flows out from the pure water outlet 22, and then flows into the tee 60a. The pure water is divided into two parts in the tee 60a. A part of pure water flows out from the second outlet 62a of the tee 60a, and flows into the water storage tank 90 through the inlet and outlet pipes 91. During the inflow of pure water, the air in the water storage tank 90 is continuously discharged from the exhaust port 95. The water level of the pure water in the water storage tank 90 continues to rise, and when the water level rises to the position where the water-full signal float 93 is located, the water-full signal float 93 sends a water-full signal through the signal line. At this time, the booster pump 30a stops working, the water inlet solenoid valve 71 is closed, the clean water no longer flows into the reverse osmosis filter element 20, and the reverse osmosis filter element 20 stops producing water. The pure water in the water storage tank 90 can be stored for subsequent use. When the pure water in the water storage tank 90 is used and the water level drops to the position of the water control signal float 94, the water control signal float 94 sends a water control signal through the signal line. At this time, the booster pump 30a starts to work, the water inlet solenoid valve 71 is opened, and the clean water flows into the reverse osmosis filter element 20 through the booster pump 30a of the water inlet solenoid valve 71, and the reverse osmosis filter element 20 starts to produce water, and the purified water is obtained. Water can flow into the water storage tank 90 for storage.

At the same time, when the self-priming booster pump 30b is turned on, the pure water entering the tee 60a from the reverse osmosis filter element 20 can also flow into the self-priming booster pump 30a through the third outlet 63a of the tee 60a, and pass through the opened water outlet. The electromagnetic valve 72a flows into the rear activated carbon filter element 82, the taste of the pure water is improved through the filtration of the rear activated carbon filter element 82, and finally flows into the pure water outlet terminal 40b. And under the action of the self-priming booster pump 30b, the pure water stored in the water storage tank 90 can flow out of the water storage tank 90 through the inlet and outlet pipes 91, and pass through the tee 60a, the self-priming booster pump 30b, the water outlet solenoid valve 72a and The rear activated carbon filter element 82 flows into the pure water outlet terminal 40b.

In addition, when the faucet 51 is opened, tap water can flow out of the ultrafiltration filter element 10 from the tap water inlet 50. After the ultrafiltration filter element 10 is rinsed, it flows out of the ultrafiltration filter element 10 from the rinse water outlet 13, and finally flows out from the faucet 51.

When the user closes the reverse osmosis water purification equipment 100 without a pressure tank, the water inlet solenoid valve 71 is closed, and the purified water obtained through the ultrafiltration filter element 10 will not be able to enter the booster pump 30a and the reverse osmosis filter element 20 for further purification. And when the water outlet solenoid valve 72 is closed, the clean water cannot reach the clean water outlet terminal 40a, so the water production is stopped.

Other configurations and operations of the pressure tankless reverse osmosis water purification equipment 100 according to the embodiment of the present utility model are known to those skilled in the art and will not be described in detail here.

In the description of this specification, descriptions with reference to the terms "one embodiment", "some embodiments", "example", "specific examples", or "some examples" mean that specific features described in connection with the embodiment or example , structures, materials or features are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be construed as limitations of the present invention. The above-mentioned embodiments can be changed, modified, replaced and modified within the scope of the present utility model under the principle and purpose.

Claims (10)

1. A reverse osmosis water purification device without a pressure tank, characterized in that it comprises: An ultrafiltration filter element, the ultrafiltration filter element is provided with a raw water inlet and a purified water outlet; A reverse osmosis filter element, the reverse osmosis filter element is provided with a purified water inlet, a pure water outlet and a concentrated water outlet connected to the purified water outlet; A booster pump, the booster pump is arranged before the clean water inlet; A post activated carbon filter element, the post activated carbon filter element is arranged at the pure water outlet; and A water storage tank, the water storage tank is provided with an inlet and outlet pipe extending from the top of the water storage tank to the bottom, the upper part of the water storage tank is provided with an air outlet, and the water storage tank is located between the pure water outlet and the water storage tank. Between the post activated carbon filter elements and the upper end of the inlet and outlet pipes are respectively connected with the pure water outlet and the rear activated carbon filter element or the inlet and outlet pipes of the water storage tank are connected to the outlet of the rear activated carbon filter element The mouth of the water is connected. 2. The reverse osmosis water purification device without a pressure tank according to claim 1, wherein the upper end of the water inlet and outlet pipe is connected with the pure water outlet and the post-installed activated carbon filter element through a tee. 3. The reverse osmosis water purification equipment without a pressure tank according to claim 1, wherein a filter screen for filtering gas is provided at the exhaust port. 4. The reverse osmosis water purification device without a pressure tank according to claim 3, wherein the filter screen is a non-woven fabric. 5. The reverse osmosis water purification equipment without pressure tank according to claim 1, characterized in that, a water level detection device for detecting the water level in the water storage tank is also provided in the water storage tank. 6 . The reverse osmosis water purification equipment without a pressure tank according to claim 5 , wherein the water level detection device is a signal float, and the signal float communicates with the outside world through a signal line. 7 . 7. The reverse osmosis water purification equipment without a pressure tank according to claim 6, wherein the water level detection device comprises a water full signal float positioned at the top of the water storage tank and a control device located at the middle of the water storage tank. Water signal float. 8. The reverse osmosis water purification equipment without a pressure tank according to any one of claims 1-7, further comprising: a water outlet solenoid valve, the water outlet solenoid valve is located between the pure water outlet and the between the post activated carbon filter elements. 9. The reverse osmosis water purification equipment without pressure tank according to claim 8, further comprising: a self-priming booster pump, the self-priming booster pump being arranged between the pure water outlet and the between the water outlet solenoid valves. 10. The reverse osmosis water purification equipment without a pressure tank according to claim 1, further comprising: a water purification outlet terminal, the water purification outlet terminal being arranged between the water purification outlet and the water purification outlet. between the water inlets.