CN204550229U - A countertop RO water purifier - Google Patents

Abstract

The utility model relates to the technical field of water purifiers, in particular to a tabletop type RO water purifier, which comprises a water purifier body, wherein a self-suction type booster pump, a filter element mechanism, an RO membrane filter element, a water tank, a circulating pump, a flow limiting valve, a solenoid valve and a pure water tank body are arranged in the water purifier body; the outlet end of a concentrated water outlet pipe of the RO membrane filter element is respectively connected with a concentrated water return pipe and a waste water pipe, a circulating pump is arranged in the concentrated water return pipe, the water outlet end of the concentrated water return pipe is connected with the water outlet end of a self-suction booster pump, a flow limiting valve is arranged in the waste water pipe, and the water outlet end of the waste water pipe is connected with a waste water tank body; the utility model has the advantages of free installation, free maintenance and water leakage prevention.

Description

A countertop RO water purifier

technical field

The utility model relates to the technical field of water purifiers, in particular to a countertop RO water purifier.

Background technique

RO reverse osmosis membrane direct drinking machine is also called RO reverse osmosis membrane water purifier. The full name of RO in English is: Reverse Osmosis, which is reverse osmosis. The reverse osmosis membrane filter cartridge is equipped with a reverse osmosis membrane filter element. Under a certain pressure, water molecules can pass through the RO membrane, while impurities such as inorganic salts, heavy metal ions, organic matter, colloids, bacteria, and viruses in the water cannot pass through the RO membrane. membrane, so that part of the water is separated through the RO membrane, and the unpermeable water forms concentrated water due to the increase of solute. Reverse osmosis membrane water purifiers were used in industrial fields such as seawater and brackish water desalination, boiler feed water, and wastewater treatment in the early days, and have been introduced into civilian fields in recent years.

However, the traditional water purifier has the following defects in use: 1. The traditional water purifier needs to be connected to the raw water pipeline, which is bulky, occupies a large area, and is inconvenient to install; 2. The filter element in the water purifier is used for a period of time Afterwards, it is necessary to replace the filter element by professionals, which increases the maintenance cost; 3. The filter element of the traditional water purifier uses granular activated carbon, and the initial installation needs to be rinsed to ensure the water quality of the water; 4. The traditional water purifier has many pipelines and complex structure. 5. Due to the complex structure of the traditional water purifier, it needs to be equipped with a pressure barrel, a water purification faucet, pipelines, joints, and the above-mentioned installation service fees, and the cost of use is high, and the scope of application is limited.

Contents of the invention

The purpose of this utility model is to provide a countertop RO water purifier for the above-mentioned deficiencies in the prior art. The water purifier has the advantages of no installation, small size, no maintenance, no rinsing, no water leakage and low cost of use. .

The purpose of this utility model is achieved through the following technical solutions.

A countertop RO water purifier, comprising a water machine body, the water machine body is provided with a self-priming booster pump, a filter element mechanism and an RO membrane filter element sequentially connected by pipelines, and the water machine body is also provided with A water tank, a circulation pump, a flow limiting valve, a solenoid valve and a pure water tank, the water tank is provided with a raw water tank and a waste water tank, and the raw water tank is connected to the self-priming booster pump through a self-suction pipe;

The water purification outlet of the RO membrane filter element is connected with a water purification outlet pipe, and the outlet end of the water purification outlet pipe is connected with a pure water pipe, and the pure water pipe is sequentially connected with the solenoid valve and the pure water tank along the water flow direction , the pure water tank is provided with a water outlet;

The concentrated water outlet of the RO membrane filter element is connected with a concentrated water outlet pipe, and the outlet ends of the concentrated water outlet pipe are respectively connected with a concentrated water return pipe and a waste water pipe. The water outlet is connected to the water outlet of the self-priming booster pump, the flow limiting valve is arranged on the waste water pipe, and the water outlet of the waste water pipe is connected to the waste water tank;

The water purifier also includes an electric control device, and the solenoid valve, the self-priming booster pump and the circulation pump are respectively electrically connected to the electric control device.

Wherein, the outlet end of the clean water outlet pipe is also connected to a clean water return pipe, the clean water return pipe is provided with a solenoid valve, and the outlet end of the clean water return pipe is connected to the water inlet end of the self-priming booster pump.

Wherein, the water inlet of the self-suction pipe extends into the bottom of the raw water tank.

Wherein, the water inlet of the self-suction pipe is provided with a filter screen.

Wherein, the pore size of the filter is 20-50 μm.

Wherein, the filter element mechanism can be disassembled and installed in the body of the water purifier by itself.

Wherein, the filter element mechanism is a composite filter element, and the composite filter element includes a first end cover for water outlet, a second end cover, a filter element body and a hollow sintered activated carbon column arranged in the filter element body, and the outer surface of the sintered activated carbon column is sprayed with water. The PP cotton layer is formed by melting, and the first end cap and the second end cap are respectively arranged on the two ends of the filter tube body.

Wherein, the filter element mechanism includes two composite filter elements, and the two composite filter elements are connected in parallel.

Wherein, the thickness of the sintered activated carbon column is 10-12mm.

Wherein, the pore diameter of the PP cotton layer is 1-5 μm, and the thickness of the PP cotton layer is 7-8 mm.

The beneficial effects of the utility model :

(1) The water purifier of the utility model does not need to be connected to the tap water pipeline. The water purifier is small in size and occupies a small area. Users only need to connect the power supply and fill it with raw water to use it directly.

(2) The filter element mechanism and the water machine body can be disassembled and connected by themselves, without the need for professionals to come to the door, users can replace the filter element by themselves, saving maintenance costs and reducing use costs.

(3) The filter element mechanism is a composite filter element, which can maximize the efficiency and service life of pretreatment before the RO membrane filter element, and the pure water produced is of good quality.

(4) When the water purifier is not working, the pressure in the pipeline is zero, effectively avoiding the phenomenon of pipeline leakage. The volume of the water purifier is small, even if all the water in the water tank leaks, it will not cause flooding, and the use safety is good.

(5) This water purifier does not need to be equipped with a separate pressure tank, water purification faucet, pipeline, raw water tee joint, and the above-mentioned service installation costs, which minimizes costs and usage costs.

The water purifier of the utility model has the advantages of no installation, small size, no maintenance, no flushing, water leakage prevention and low use cost.

Description of drawings

Utilize accompanying drawing to further illustrate the utility model, but the embodiment in the accompanying drawing does not constitute any restriction to the present utility model, for those of ordinary skill in the art, under the premise of not paying creative work, also can obtain according to following accompanying drawing Additional drawings.

Fig. 1 is a functional block diagram of Embodiment 1 of the present utility model.

Fig. 2 is a schematic diagram of the separation structure of the composite filter element of the present invention.

Fig. 3 is a functional block diagram of Embodiment 2 of the present utility model.

Reference signs include:

1—Self-priming booster pump 21—Composite filter element 23—Sintered activated carbon column 24—PP cotton layer

25—First end cover 26—Second end cover 3—RO membrane filter element 4—Water tank

41—raw water tank 42—waste water tank 5—circulation pump 6—limiting valve

7—Solenoid valve 8—Pure water tank 9—Filter screen 11—Self-suction pipe

12—pure water pipe 13—clean water return pipe 14—concentrated water return pipe 15—waste water pipe.

Detailed ways

The utility model is further described in conjunction with the following examples, see Fig. 1 .

Example 1

As shown in Figure 1 and Figure 2, a countertop RO water purifier of this embodiment includes a water machine body, and a self-priming booster pump 1 and a filter element mechanism connected by pipelines are arranged in the water machine body and RO membrane filter element 3, the water machine body is also provided with a water tank 4, a circulation pump 5, a flow limiting valve 6, a solenoid valve 7 and a pure water tank 8, and the water tank 4 is provided with a raw water tank 41 and waste water A tank 42, the raw water tank 41 is connected to the self-priming booster pump 1 through a self-suction pipe 11;

The water purification outlet of the RO membrane filter element 3 is connected with a water purification outlet pipe, and the outlet end of the water purification outlet pipe is connected with a pure water pipe 12, and the pure water pipe 12 is sequentially connected with the electromagnetic valve 7 and the water flow direction along the water flow direction. Pure water tank 8, the pure water tank 8 is provided with a water outlet;

The concentrated water outlet of the RO membrane filter element 3 is connected with a concentrated water outlet pipe, and the outlet ends of the concentrated water outlet pipe are respectively connected with a concentrated water return pipe 14 and a waste water pipe 15, and the circulating pump 5 is arranged on the concentrated water return pipe 14, The water outlet end of the concentrated water return pipe 14 is connected to the water outlet end of the self-priming booster pump 1, the flow limiting valve 6 is arranged on the waste water pipe 15, and the water outlet end of the waste water pipe 15 is connected to the waste water tank 42 connect;

The water purifier also includes an electric control device, and the solenoid valve 7, the self-priming booster pump 1 and the circulation pump 5 are respectively electrically connected to the electric control device.

Preferably, the outlet end of the clean water outlet pipe is also connected with a clean water return pipe 13, the clean water return pipe 13 is provided with the solenoid valve 7, and the outlet end of the clean water return pipe 13 is connected to the self-priming booster pump 1 water inlet.

The table-top RO water purifier of the utility model does not need to be connected with a tap water pipeline when in use. The water purifier is small in size and occupies a small area. Users only need to connect the power supply, fill it with raw water, and use it directly. The filter element mechanism is detachably connected to the water machine body, and users can replace the filter element by themselves without the need for professionals to come to the door, saving maintenance costs and reducing use costs. The filter element mechanism is two composite filter elements connected in parallel, which can maximize the efficiency and service life of the pre-treatment of the RO membrane filter element 3, and the obtained pure water is of good quality. When the water purifier is not working, the pressure in the pipeline is zero, effectively avoiding the phenomenon of pipeline leakage. The volume of the water purifier is small, even if all the water in the water tank 4 leaks, it will not cause flooding, and the use safety is good. This water purifier does not need to be separately equipped with a pressure tank, a water purification faucet, a pipeline, a raw water tee joint, and the above-mentioned service and installation costs, which minimizes costs and usage costs. The water purifier of the utility model has the advantages of no installation, small size, no maintenance, no flushing, water leakage prevention and low use cost.

In this embodiment, the water inlet of the self-suction pipe 11 extends into the bottom of the raw water tank 41 . Specifically, the water inlet of the self-suction pipe 11 in this embodiment is provided with a filter 9 . Further, the filter screen 9 of this embodiment has a pore size of 20-50 μm. Remove large particle impurities in raw water to ensure high quality pure water.

The filter element mechanism in this embodiment can be disassembled and installed in the body of the water purifier by itself, and the user can replace the filter element by himself, which saves maintenance costs, reduces use costs, and is easy to install.

As shown in Figure 2, the filter element mechanism of this embodiment is a composite filter element 21, and the composite filter element 21 includes a first end cover 25 for water outlet, a second end cover 26, a filter element body and a hollow sintered filter element arranged in the filter element body. The activated carbon column 23, the outer surface of the sintered activated carbon column is sprayed and melted to form a PP cotton layer 24, and the first end cap 25 and the second end cap 26 are respectively arranged on the two ends of the filter tube body.

The thickness of the traditional PP cotton is 17-18mm, only the outer 6-7mm PP cotton material plays a filtering role in actual filtration, and the internal PP cotton material is not fully utilized. The composite filter element 21 of the present invention reduces the loss of the PP cotton layer Thickness, setting sintered activated carbon columns in the PP surface layer is conducive to saving the amount of PP cotton material and reducing the cost of PP cotton. In addition, the traditional filter element structure uses activated carbon filter elements and PP cotton filter elements connected in series, and the activated carbon layer is bulk carbon particles with a large ash content. After the first water filtration, a large amount of carbon foam will be generated. The sense is that black water gushes out, and its adsorption capacity Poor, the composite filter element 21 of the present utility model adopts sintered activated carbon, which is sintered by hot melt adhesive and small activated carbon particles at high temperature, which improves the surface area and adsorption capacity of the activated carbon layer, and the ash content is extremely small, and it will not be produced for the first time. black water. The sintered activated carbon column can absorb and remove residual chlorine, organic matter and other substances in the water. It has excellent erosion resistance, is not easy to fall off and produce pollutants, has a small possibility of water leakage, and can be thoroughly purified to increase the service life of the RO membrane.

The thickness of the sintered activated carbon column 23 in this embodiment is 10-12 mm.

The pore diameter of the PP cotton layer 24 in this embodiment is 1-5 μm, and the thickness of the PP cotton layer 24 is 7-8 mm. The structure of the composite filter element 21 uses PP cotton filter material with a pore size of 1-5 microns as the outer layer, and its function is to filter small particulate matter in the raw water, and the sintered activated carbon column 23 is the inner layer, and its main function is to absorb residual particles in the raw water. Chlorine, the adsorption capacity of sintered activated carbon is more than 2 times stronger than that of granular carbon.

Example 2

As shown in FIG. 3 , the filter element mechanism of this embodiment includes two composite filter elements 21 , and the two composite filter elements 21 are connected in parallel. Connecting the two composite filter elements 21 in parallel can exert their effects more effectively. By changing the connection mode and the structure of the filter elements, the efficacy and service life of the pre-treatment of the RO membrane filter element 3 can be improved to the greatest extent.

The rest of the content of this embodiment is the same as that of Embodiment 1, and will not be repeated here.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the present utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art Personnel should understand that the technical solution of the utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the utility model.

Claims (10)

1. A countertop type RO water purifier, comprising a water machine body, is characterized in that: a self-priming booster pump, a filter element mechanism and an RO membrane filter element connected successively by pipelines are arranged in the water machine body, and the water machine body The body of the machine is also equipped with a water tank, a circulation pump, a flow limiting valve, a solenoid valve and a pure water tank. The water tank is provided with a raw water tank and a waste water tank, the raw water tank is connected with the self-priming booster pump through a self-suction pipe, and the water purification outlet of the RO membrane filter element is connected with a water purification outlet pipe, and the water purification The outlet end of the water outlet pipe is connected with a pure water pipe, and the pure water pipe is sequentially connected with the electromagnetic valve and the pure water tank along the water flow direction, and the pure water tank is provided with a water outlet; The concentrated water outlet of the RO membrane filter element is connected with a concentrated water outlet pipe, and the outlet ends of the concentrated water outlet pipe are respectively connected with a concentrated water return pipe and a waste water pipe. The water outlet is connected to the water outlet of the self-priming booster pump, the flow limiting valve is arranged on the waste water pipe, and the water outlet of the waste water pipe is connected to the waste water tank; The water purifier also includes an electric control device, and the solenoid valve, the self-priming booster pump and the circulation pump are respectively electrically connected to the electric control device. 2. A countertop RO water purifier according to claim 1, characterized in that: the outlet end of the water purification outlet pipe is also connected with a water purification return pipe, and the water purification return pipe is provided with a solenoid valve, and the water purification The outlet end of the return pipe is connected to the water inlet end of the self-priming booster pump. 3 . The countertop RO water purifier according to claim 1 , wherein the water inlet of the self-suction pipe extends into the bottom of the raw water tank. 4 . 4. A countertop RO water purifier according to claim 1, characterized in that: the water inlet of the self-suction pipe is provided with a filter. 5. A countertop RO water purifier according to claim 4, characterized in that: the pore size of the filter is 20-50 μm. 6 . The countertop RO water purifier according to claim 1 , wherein the filter element mechanism can be disassembled and installed in the body of the water purifier by itself. 7 . 7. A countertop RO water purifier according to any one of claims 1-6, characterized in that: the filter element mechanism is a composite filter element, and the composite filter element includes a first end cover for water outlet, a second The end cover, the filter tube body and the hollow sintered activated carbon column arranged in the filter tube body, the outer surface of the sintered activated carbon column is sprayed and melted to form a PP cotton layer, and the first end cover and the second end cover are respectively arranged on the two sides of the filter tube body. end. 8 . The countertop RO water purifier according to claim 7 , wherein the filter element mechanism includes two composite filter elements, and the two composite filter elements are connected in parallel. 9. A countertop RO water purifier according to claim 7, characterized in that: the PP cotton layer has a pore diameter of 1-5 μm, and the PP cotton layer has a thickness of 7-8 mm. 10. A countertop RO water purifier according to claim 7, characterized in that: the thickness of the sintered activated carbon column is 10-12mm.