CN212222687U

CN212222687U - Reverse osmosis device for direct drinking water

Info

Publication number: CN212222687U
Application number: CN202020681646.1U
Authority: CN
Inventors: 熊明芬; 郑祎彬
Original assignee: Tianjin Borui Zhiyuan Environmental Protection Technology Co ltd
Current assignee: Tianjin Borui Zhiyuan Environmental Protection Technology Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-25
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a direct drinking water reverse osmosis device, which comprises a primary filtering device, a reverse osmosis device connected with the primary filtering device, and a direct drinking water storage tank, wherein the primary filtering device comprises a first water tank and an inner container positioned in the first water tank, the lower end surface of the first water tank is provided with a first water outlet, and the lower end surface of the inner container is provided with a plurality of filtering holes; the inner surface of the inner container is provided with a primary filtering activated carbon layer; the primary filtering activated carbon layer is matched with the bottom end face of the inner container in shape and is placed above the bottom end face in the inner container; the reverse osmosis equipment comprises a second water tank and a reverse osmosis filter element, the second water tank is provided with a second water inlet and a second water outlet, and the reverse osmosis filter element is connected with the second water outlet. The utility model discloses a prefiltering activated carbon layer carries out the prefiltering to the raw water, filters impurity, the pigment in the raw water out, reduces the impurity that the reverse osmosis filter core need filter out, prolongs the life of reverse osmosis filter core.

Description

Reverse osmosis device for direct drinking water

Technical Field

The utility model discloses directly drink the relevant technical field of water, especially a directly drink water reverse osmosis unit.

Background

The direct drinking water is filtered by adopting a nanofiltration separation membrane device and the like, so that the virus and bacteria in the direct drinking water are killed, and the abnormal color, peculiar smell, residual chlorine, ozone hydrogen sulfide, bacteria, virus and heavy metal in the tap water are filtered. Direct drinking water generally adopts the mode of supplying water by different qualities to lead to the resident family, also can directly purify at user terminal through water purification unit, directly exports the drinking water that accords with national standard.

Reverse osmosis is a membrane separation operation that uses a pressure differential as a driving force to separate a solvent from a solution. Reverse osmosis is known because it is in the opposite direction to natural osmosis. According to different osmotic pressures of various materials, a reverse osmosis pressure which is larger than the osmotic pressure, namely a reverse osmosis method, can be used for achieving the purposes of separation, extraction, purification and concentration. The equipment used for reverse osmosis is mainly hollow fiber type or roll type membrane separation equipment.

However, in the existing reverse osmosis device, the PP cotton layer on the surface of the reverse osmosis filter element is easy to turn yellow, the reverse osmosis effect is influenced, the service life of the reverse osmosis filter element is shortened, and the reverse osmosis filter element needs to be frequently replaced.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a direct drinking water reverse osmosis apparatus that addresses the above-mentioned problems.

According to the technical scheme provided by the embodiment of the application, the direct drinking water reverse osmosis device comprises primary filtering equipment, reverse osmosis equipment connected with the primary filtering equipment and a direct drinking water storage tank, wherein the primary filtering equipment comprises a first water tank and an inner container positioned in the first water tank, a first water outlet is formed in the lower end surface of the first water tank, and a plurality of filtering holes are formed in the lower end surface of the inner container; the inner surface of the inner container is provided with a primary filtering activated carbon layer; the primary filtering activated carbon layer is matched with the bottom end face of the inner container in shape and is placed above the bottom end face in the inner container;

the reverse osmosis equipment comprises a second water tank and a reverse osmosis filter element, wherein a second water inlet is formed in the upper end surface of the second water tank, a second water outlet is formed in the lower end surface of the second water tank, and the first water outlet is connected with the second water inlet; the reverse osmosis filter element is connected with the second water outlet; the pure water outlet of the reverse osmosis filter element is connected with one end of a direct drinking water pipeline, and the direct drinking water pipeline is connected with the direct drinking water storage tank.

In the utility model, the primary filtering activated carbon layer comprises PP cotton and coconut shell activated carbon, and the coconut shell activated carbon is wrapped by the PP cotton; the PP cotton is made of polypropylene fibers and artificial chemical fibers.

The utility model discloses in, the second delivery port with the quantity of reverse osmosis filter core is a plurality ofly.

The utility model discloses in, straight drinking water pipeline department is equipped with the valve.

The utility model discloses in, straight drinking water storage water tank lateral wall is equipped with the third delivery port, the third delivery port is connected with tap.

The utility model discloses in, straight drinking water storage water tank inside is equipped with force pump and drinking water ultraviolet ray disinfection lamp.

To sum up, the beneficial effect of this application: the utility model discloses a prefiltering activated carbon layer carries out the prefiltering to the raw water, filters impurity, the pigment in the raw water out, reduces the impurity that the reverse osmosis filter core need filter out, prolongs the life of reverse osmosis filter core.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the sectional structure of the primary filtering activated carbon layer of the present invention.

Reference numbers in the figures: primary filtration equipment-1; reverse osmosis equipment-2; a direct drinking water storage tank-3; a third water outlet-3.1; a first water tank-4; a first water outlet-4.1; an inner container-5; primary filtering activated carbon layer-6; 6.1 parts of PP cotton; coconut shell activated carbon-6.2; a second water tank-7; a second water inlet-7.1; a second water outlet-7.2; a reverse osmosis filter element-8; a pure water outlet of-8.1; a wastewater outlet is-8.2; a direct drinking water pipeline-9.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 and 2, a direct drinking water reverse osmosis device includes a primary filtering device 1, a reverse osmosis device 2 connected to the primary filtering device 1, and a direct drinking water storage tank 3. The primary filtering device 1 comprises a first water tank 4 and a liner 5 positioned inside the first water tank 4. The lower end surface of the first water tank 4 is provided with a first water outlet 4.1, and the lower end surface of the inner container 5 is provided with a plurality of filter holes. The inner container 5 is made of stainless steel metal, and the upper end of the inner container is open. The edge of the upper end of the inner container 5 extends to the periphery to form a lapping sheet, and the inner container 5 is arranged inside the first water tank 4 through the lapping sheet. Preferably, a space exists between the inner container 5 and the first water tank 4.

The inner surface of the inner container 5 is provided with a primary filtering activated carbon layer 6 which can carry out primary filtering on raw water, filter out pigment and large particles in the raw water and reduce the burden of the subsequent reverse osmosis process. The primary filtering activated carbon layer 6 is matched with the bottom end face of the inner container 5 in shape, and the primary filtering activated carbon layer 6 is placed above the bottom end face inside the inner container 5. The primary filtering activated carbon layer 6 comprises PP cotton 6.1 and coconut shell activated carbon 6.2. The coconut shell activated carbon is formed by wrapping 6.2 of the coconut shell activated carbon by 6.1 of the PP cotton. The PP cotton 6.1 is made of chemical fibers made of polypropylene fibers.

The reverse osmosis device 2 comprises a second water tank 7 and a reverse osmosis filter element 8. The reverse osmosis filter element 8 can carry out reverse osmosis treatment to the raw water through primary filtration. The upper end face of the second water tank 7 is provided with a second water inlet 7.1, the lower end face of the second water tank 7 is provided with a second water outlet 7.2, and the number of the second water outlets 7.2 is three. The first water outlet 4.1 is connected with the second water inlet 7.1, the reverse osmosis filter element 8 is connected with the second water outlet 7.2, and the number of the reverse osmosis filter elements 8 is three. The reverse osmosis filter element 8 can obtain direct drinking water and waste water after the raw water after primary filtration is subjected to reverse osmosis treatment. The pure water outlet 8.1 of the reverse osmosis filter element 8 is connected with one end of a direct drinking water pipeline 9, and direct drinking water flows out of the pure water outlet 8.1. And a wastewater outlet 8.2 of the reverse osmosis filter element 8 is connected with one end of a wastewater pipeline 10, and wastewater flows out from the wastewater outlet 8.2. The direct drinking water pipeline 9 is connected with the direct drinking water storage tank 3. Preferably, a valve is arranged at the direct drinking water pipeline 9. 3 lateral walls of direct drinking water storage tank are equipped with third delivery port 3.1, third delivery port 3.1 is connected with tap, and the people can be followed tap and received direct drinking water. Preferably, a pressure pump and a drinking water ultraviolet disinfection lamp are arranged inside the direct drinking water storage tank 3. The pressure pump can apply pressure to the direct drinking water storage tank 3 so that people can receive direct drinking water. The drinking water ultraviolet disinfection lamp can eliminate bacteria in the direct drinking water storage tank 3 to achieve sterilization treatment. Preferably, the direct drinking water storage tank 3 is an opaque box body and can be made of stainless steel.

The foregoing description is only exemplary of the preferred embodiments of the application and is provided for the purpose of illustrating the general principles of the technology and the like. Meanwhile, the scope of the invention according to the present application is not limited to the technical solutions in which the above-described technical features are combined in a specific manner, and also covers other technical solutions in which the above-described technical features or their equivalent are combined arbitrarily without departing from the inventive concept described above. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A reverse osmosis device for direct drinking water is characterized in that: the filter comprises primary filter equipment (1), reverse osmosis equipment (2) connected with the primary filter equipment (1) and a direct drinking water storage tank (3), wherein the primary filter equipment (1) comprises a first water tank (4) and an inner container (5) positioned inside the first water tank (4), a first water outlet (4.1) is formed in the lower end face of the first water tank (4), and a plurality of filter holes are formed in the lower end face of the inner container (5); the inner surface of the inner container (5) is provided with a primary filtering activated carbon layer (6); the shape of the primary filtering activated carbon layer (6) is matched with that of the bottom end face of the inner container (5), and the primary filtering activated carbon layer is placed above the bottom end face inside the inner container (5);

the reverse osmosis equipment (2) comprises a second water tank (7) and a reverse osmosis filter element (8), a second water inlet (7.1) is formed in the upper end face of the second water tank (7), a second water outlet (7.2) is formed in the lower end face of the second water tank (7), and the first water outlet (4.1) is connected with the second water inlet (7.1); the reverse osmosis filter element (8) is connected with the second water outlet (7.2); pure water outlet (8.1) of reverse osmosis filter core (8) is connected with straight drinking water pipeline (9) one end, straight drinking water pipeline (9) with straight drinking water storage water tank (3) are connected.

2. A direct drinking water reverse osmosis apparatus according to claim 1, wherein: the primary filtering activated carbon layer (6) comprises PP cotton (6.1) and coconut shell activated carbon (6.2), and the coconut shell activated carbon (6.2) is wrapped by the PP cotton (6.1); the PP cotton (6.1) is made of artificial chemical fibers made of polypropylene fibers.

3. A direct drinking water reverse osmosis apparatus according to claim 1, wherein: the number of the second water outlets (7.2) and the number of the reverse osmosis filter elements (8) are both multiple.

4. A direct drinking water reverse osmosis apparatus according to claim 1, wherein: and a valve is arranged at the direct drinking water pipeline (9).

5. A direct drinking water reverse osmosis apparatus according to claim 1, wherein: the lateral wall of the direct drinking water storage tank (3) is provided with a third water outlet (3.1), and the third water outlet (3.1) is connected with a tap.

6. A direct drinking water reverse osmosis apparatus according to claim 1, wherein: the direct drinking water storage tank (3) is internally provided with a pressure pump and a drinking water ultraviolet disinfection lamp.