CN213085641U

CN213085641U - Composite RO (reverse osmosis) membrane filter element structure with three-layer filtration

Info

Publication number: CN213085641U
Application number: CN202021691648.5U
Authority: CN
Inventors: 璧典寒; 赵亮
Original assignee: Xuzhou Yuexin Environmental Protection Technology Co ltd
Current assignee: Xuzhou Yuexin Environmental Protection Technology Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-04-30
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a composite RO membrane filter element structure with three-layer filtration, which comprises a filter flask, wherein both ends of the interior of the filter flask are provided with end covers, a PP cotton inner core is arranged between the two end covers, the interior of the PP cotton inner core is filled with an activated carbon layer, a pipe sleeve is sleeved on the inner ring between the two end covers and positioned on the PP cotton inner core, the central position of the interior of the pipe sleeve is provided with a pipeline, two RO membranes are fixedly wound on the outer side wall of the pipeline in a spiral manner, the utility model is arranged in the inner ring of the PP cotton inner core through the pipe sleeve, the RO membrane arranged in the pipe sleeve is used for filtering the water entering the pipe sleeve for the third time, therefore, harmful substances with small volume in water can be thoroughly filtered, the filtering precision is improved, the filtered water is clean and free of impurities, the effect of further filtering impurities is achieved, the volume of the device can be reduced, and the filtering composite degree of the device is improved.

Description

Composite RO (reverse osmosis) membrane filter element structure with three-layer filtration

Technical Field

The utility model relates to a water purification filter core technical field specifically is a compound RO membrane filter core structure of three-layer filtration.

Background

At present, water purifiers are gradually known and accepted by many consumers, and some important accessories of the water purifiers are also known to a certain extent, wherein the most important parts are taken into consideration by using water purifier filter elements, the types of the filter elements in the market of the water purifiers are numerous, common activated carbon, PP cotton and RO membrane composite filtration generally comprises a plurality of filter bottles which are respectively filled with the activated carbon, the PP cotton and the RO membrane and are connected in series on a water pipeline, the water pipeline is subjected to layer-by-layer filtration, and water can be well filtered, but because the number of the filter bottles is large, the installation area of the composite filtration is increased, and the composite degree is low, the occupied space of a filter device is reduced in order to improve the composite filtration degree of the activated carbon, the PP cotton and the RO membrane, so as to solve the problem defects, a composite RO membrane filter element structure with three-layer filtration is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound RO membrane filter core structure of three-layer filtration to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compound RO membrane filter core structure of three-layer filtration, includes the filter flask, the inside both ends of filter flask all are equipped with the end cover, are equipped with the cotton inner core of PP between two end covers, the inside packing of the cotton inner core of PP has the activated carbon layer, and the inner circle that just is located the cotton inner core of PP has cup jointed the pipe box between two end covers, the inside central point of pipe box puts and is equipped with the pipeline, it has two RO membranes to fix the winding with the form of spiral on the lateral wall of pipeline, and inside two RO membranes except that all the other sides of the side of pipe connection all sealed the processing realized rivers and filtered the intermediate layer to two RO membranes from two RO membrane lateral walls, the intermediate layer and the pipeline of two RO.

Preferably, a water inlet, a pure water port and a waste water port are formed in the filter bottle, the water inlet is communicated with the inner cavity of the filter bottle to inject raw water into the filter bottle, the pure water port is communicated with the pipeline to guide filtered pure water to the outside of the filter bottle, a sealing ring used for enabling a single end of water flow to enter the inside of the pipe sleeve is arranged on the outer side wall of any end cover and the outer side wall of the pipe sleeve, and one end, close to the sealing ring, of the pipe sleeve is communicated with the waste water port.

Preferably, the one end that the pure mouth of a river was kept away from to the pipeline is closed state, it has the annular to open on the pipeline is close to the one end lateral wall of pure mouth of a river, the inside of annular has cup jointed the O type circle that is used for sealed pipeline and pure mouth of a river junction.

Preferably, a net rack for preventing adjacent two layers of RO membranes from being tightly attached is arranged between the adjacent RO membranes.

Preferably, a bottle cap is arranged at the upper end of the filter bottle.

Preferably, gaps for water flow are reserved between the inner side wall of the filter bottle and the outer side wall of the PP cotton inner core and between the inner side wall of the PP cotton inner core and the pipe sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a cotton and the activated carbon layer of PP filters the great pollutant of aquatic volume, and the cotton and the activated carbon layer of PP adopts the three-layer complex to use, the layering filter fineness is higher, thereby it is first to realize quality of water, the filtration of second level, the pipe box sets up in the inner circle of the cotton inner core of PP, the RO membrane that is equipped with through the pipe box inside carries out the third time to the inside quality of water of entering pipe box and filters, thereby can thoroughly filter the less harmful substance of aquatic volume, the filter fineness is improved, the water after having guaranteed to filter is clean free from impurity, play further filtration impurity filtering's effect, also can reduce the device's volume, the installation space of the device has then been saved, the filtration compound degree of the device has been improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an overall exploded view of the present invention;

FIG. 3 is a schematic view of the water flow direction of the present invention;

FIG. 4 is a cross-sectional view of the pure water port, the waste water port and the pipeline of the present invention;

FIG. 5 is an exploded view of the pipeline, ring groove and O-ring of the present invention;

FIG. 6 is an exploded view of the pipeline, RO membrane and net rack of the present invention;

fig. 7 is a cross-sectional view of the end cap, the inner core of PP cotton, the activated carbon layer and the pipe sleeve;

fig. 8 is a cross-sectional view of the pipeline and RO membrane of the present invention;

fig. 9 is an overall sectional view of the present invention.

In the figure: 1. the device comprises a filter flask, 101, a water inlet, 102, a pure water port, 103, a wastewater port, 2, an end cover, 3, a PP cotton inner core, 4, an activated carbon layer, 5, a pipe sleeve, 6, a pipeline, 7, an RO membrane, 8, a net rack, 9, a sealing ring, 10, an annular groove, 11, an O-shaped ring, 12 and a bottle cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: a composite RO membrane filter element structure with three-layer filtering comprises a filter bottle 1, wherein two end covers 2 are arranged at two ends inside the filter bottle 1, a PP cotton inner core 3 is arranged between the two end covers 2, an activated carbon layer 4 is filled inside the PP cotton inner core 3, the activated carbon layer 4 is composed of carbon particles, the carbon particles are wrapped by the two PP cotton inner cores 3 to form the activated carbon layer 4, the PP cotton inner core 3 plays a role of fixing the activated carbon layer 4, the PP cotton inner core 3 can be made of PP cotton materials with the precision of 1 micron, the two PP cotton inner cores 3 and the activated carbon layer 4 realize the composite use of three-layer filtering materials, the layered filtering precision is higher, pollutants with larger volume in water can be adsorbed and filtered, a pipe sleeve 5 is sleeved on an inner ring between the two end covers 2 and positioned on the PP cotton inner core 3, the pipe sleeve 5 can be made of plastic materials, a pipeline 6 is arranged at the inner center of the pipe sleeve 5, two membranes 7 are fixedly wound on the outer side wall of the pipeline 6 in a, the RO membranes 7 play a role in filtering impurities with smaller diameter, the pipe sleeve 5 provided with the RO membranes 7 is arranged at the inner ring of the PP cotton inner core 3, so that the impurity filtering function can be further achieved, the volume of the device can be reduced, the installation space of the device is further saved, the filtering composite degree of the device is improved, the other sides of the two RO membranes 7 except the side connected with the pipeline 6 are subjected to sealing treatment (such as gluing, the condition can be understood that three sides of four sides of the two RO membranes 7 are connected and sealed, the other side extends into the pipeline 6 for water outlet, then the two RO membranes 7 are rolled up), so that water flow is filtered from the two RO membrane 7 side walls to the interior of the interlayer of the two RO membranes 7, the interlayer of the two RO membranes 7 is communicated with the pipeline 6, as shown in figure 8, the two RO membrane 7 side walls connected with the pipeline 6 extend to the interior of the pipeline 6, and the interlayer of the two RO membranes 7 is communicated with the pipeline 6, when the RO membranes 7 perform filtration of water, water flowing into the interlayer of the two RO membranes 7 from the pore size of the RO membranes 7 flows to the inside of the pipe 6, thereby performing filtration.

Specifically, a water inlet 101, a pure water port 102 and a waste water port 103 are formed in the filter flask 1, the water inlet 101 is communicated with an inner cavity of the filter flask 1 to inject raw water into the filter flask 1, the raw water is used water to be filtered, the pure water port 102 is communicated with the pipeline 6 to guide the filtered pure water to the outside of the filter flask 1, a sealing ring 9 for enabling a single end of the water flow to enter the inside of the pipe sleeve 5 is arranged on any one of the end cover 2 and the outer side wall of the pipe sleeve 5, as shown in fig. 3, after the pipe sleeve 5 is installed, the sealing ring 9 plays a role in sealing a gap between the end cover 2 and the outer side wall of the pipe sleeve 5, so that the water flow between the inner side wall of the PP cotton inner core 3 and the pipe sleeve 5 can only flow into the inside of the pipe sleeve 5 from one end of the pipe sleeve 5 close to the sealing ring 9, the waste water port 103 is communicated with each other end of the pipe sleeve 5 close to the sealing ring And is discharged to the outside from the waste water port 103, so that the device can filter water in multiple stages;

further, as shown in fig. 3 and 9, pure water port 102 and waste water port 103 may be located at the same end of filter flask 1 or at different ends of filter flask 1.

In order to realize the sealing of the joint of the pipeline 6 and the pure water port 102, specifically, one end of the pipeline 6, which is far away from the pure water port 102, is in a closed state, a ring groove 10 is formed in a side wall of one end of the pipeline 6, which is close to the pure water port 102, and an O-ring 11 used for sealing the joint of the pipeline 6 and the pure water port 102 is sleeved inside the ring groove 10, as shown in fig. 4, after the pipeline 6 is inserted inside the pure water port 102, the O-ring 11 is located between the pipeline 6 and the side wall of the pure water port 102, and the O-ring 11 can deform to a certain extent, so that the sealing of the joint of the pipeline 6 and the pure.

Particularly, be equipped with the rack 8 that is used for preventing the inseparable laminating of adjacent two-layer RO membrane 7 between the intermediate layer of adjacent RO membrane 7, as shown in fig. 6, RO membrane 7 is in winding process, the rack 8 of setting can separate adjacent two-layer RO membrane 7, avoid adjacent two-layer RO membrane 7 laminating to influence the filter effect after inseparable, and the quantity of rack 8 also can be 2, one is located the intermediate layer intracavity that RO membrane 7 connects the formation, another is located between the adjacent RO membrane 7 aspect of curling, its material can be the material that elasticity such as plastics has the form, the mesh of rack 8 is the schematic diagram in the picture in addition, actual rack 8's mesh is less.

Particularly, the upper end of the filter flask 1 is provided with a bottle cap 12, and the opening of the bottle cap 12 facilitates the replacement of devices inside the filter flask 1.

In order to provide sufficient flowing space for water in the filter bottle 1, specifically, gaps for water flow are reserved between the inner side wall of the filter bottle 1 and the outer side wall of the PP cotton core 3 and between the inner side wall of the PP cotton core 3 and the pipe sleeve 5.

The working principle is as follows: when the filter is installed, the water inlet 101, the pure water port 102 and the waste water port 103 are connected with an external pipeline, when the filter is used, the external pipeline injects raw water (to-be-filtered used water) into the filter flask 1 through the water inlet 101, the raw water enters the filter flask 1 and then is positioned in a gap between the inner side wall of the filter flask 1 and the outer side wall of the PP cotton inner core 3, then the raw water penetrates through the side walls of the PP cotton inner core 3 and the activated carbon layer 4 to reach a gap between the inner side wall of the PP cotton inner core 3 and the pipe sleeve 5, in the process, the PP cotton inner core 3 and the activated carbon layer 4 filter impurities with larger internal volume of the raw water, then the filtered water positioned in the gap between the inner side wall of the PP cotton inner core 3 and the pipe sleeve 5 flows into the pipe sleeve 5 from one end of the pipe sleeve 5, when the water flows in the pipe sleeve 5, the RO membrane 7 filters the water again, at the moment, water molecules, trace elements and mineral substances, finally, water in the interlayer of the two RO membranes 7 flows out through the pipeline 6 and the pure water port 102 for normal use, and in addition, the wastewater filtered by the RO membranes 7 flows to the wastewater port 103 from the other end of the pipe sleeve 5 and is discharged to the outside from the wastewater port 103, so that the multistage filtration of the device on the water is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compound RO membrane filter core structure of three-layer filtration, includes filter flask (1), its characterized in that: the utility model discloses a filter flask, including filter flask (1), two end covers, pipe box (5), pipe box (6), two end covers (2), the inside center position of pipe box (5) is equipped with pipeline (6), the fixed winding of form with the spiral has two RO membranes (7) on the lateral wall of pipeline (6), and all the other sides except the side of being connected with pipeline (6) of two RO membranes (7) are all sealed to be handled and are realized rivers and filter to the intermediate layer inside of two RO membranes (7) from two RO membrane (7) lateral walls, and the intermediate layer and the pipeline (6) of two RO membranes (7) communicate each other.

2. A three-layer filtration composite RO membrane filter element structure according to claim 1, wherein: the filter flask is characterized in that a water inlet (101), a pure water port (102) and a waste water port (103) are formed in the filter flask (1), the water inlet (101) is communicated with an inner cavity of the filter flask (1) to inject raw water into the filter flask (1), the pure water port (102) is communicated with a pipeline (6) to guide filtered pure water to the outside of the filter flask (1), a sealing ring (9) used for enabling a water flow single end to enter the interior of the pipe sleeve (5) is arranged on the outer side wall of any end cover (2) and the outer side wall of the pipe sleeve (5), and one end, close to the sealing ring (9), of the pipe sleeve (5) is communicated with the waste water port (103).

3. A three-layer filtration composite RO membrane filter element structure according to claim 2, wherein: the one end that pipeline (6) kept away from pure water mouth (102) is closed state, it has annular (10) to open on the one end lateral wall that pipeline (6) are close to pure water mouth (102), the inside of annular (10) is cup jointed O type circle (11) that are used for sealing up pipeline (6) and pure water mouth (102) junction.

4. A three-layer filtration composite RO membrane filter element structure according to claim 1, wherein: a net rack (8) for preventing the adjacent two layers of RO membranes (7) from being tightly attached is arranged between the adjacent RO membranes (7).

5. A three-layer filtration composite RO membrane filter element structure according to claim 1, wherein: the upper end of the filter flask (1) is provided with a flask cover (12).

6. A three-layer filtration composite RO membrane filter element structure according to claim 1, wherein: gaps for water flow are reserved between the inner side wall of the filter bottle (1) and the outer side wall of the PP cotton inner core (3) and between the inner side wall of the PP cotton inner core (3) and the pipe sleeve (5).