CN216426886U - Composite filter element of rear carbon integrated RO (reverse osmosis) membrane - Google Patents
Composite filter element of rear carbon integrated RO (reverse osmosis) membrane Download PDFInfo
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- CN216426886U CN216426886U CN202121129586.3U CN202121129586U CN216426886U CN 216426886 U CN216426886 U CN 216426886U CN 202121129586 U CN202121129586 U CN 202121129586U CN 216426886 U CN216426886 U CN 216426886U
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Abstract
The utility model relates to a composite filter element integrating a rear carbon with an RO membrane, which comprises an RO membrane main body and a rear carbon filter element, wherein the RO membrane main body is positioned outside the rear carbon filter element, a central tube is arranged between the RO membrane main body and the rear carbon filter element, the RO membrane main body, the central tube and the rear carbon filter element form an outward-inward water path, a water hole is formed in the position, close to the lower part, of the central tube, at least one groove ring is arranged outside the circumference of the rear carbon filter element from bottom to top, a deceleration settling area is formed between the groove ring and the inner wall of the central tube, and an acceleration area is formed between the outer wall of the rear carbon filter element and the inner wall of the central tube. The waste discharge is convenient, the impact force is large, a large bypass component is not required to be installed, and the cost is reduced.
Description
Technical Field
The utility model relates to the technical field of filter elements of water purifiers, in particular to a composite filter element with a rear carbon integrated RO (reverse osmosis) membrane.
Background
Even if the RO membrane is a reverse osmosis membrane, because the aperture of the RO membrane is one million (0.0001 micron) of hair, bacteria and viruses can not be seen by naked eyes and is 5000 times of the apertures of the hair, only water molecules and partial mineral ions can pass through (the passing ions have no beneficial loss orientation), and other impurities and heavy metals are all discharged by a waste water pipe;
because of the filtering action of the RO membrane, the RO membrane can be generally used for manufacturing a filter element of a water purifier, in order to ensure better filtering effect, the patent with the application number of 201720639643.X provides the composite filter element ultrafiltration water purifier, which can comprehensively and effectively filter water by arranging a PP cotton folding layer, a composite sintered carbon filter element and an ultrafiltration membrane filter element from outside to inside, and can realize the quick switching of three working states of filtering, backwashing and closing without being disassembled and assembled again through the control of a multi-way valve, thereby being convenient for daily cleaning and maintenance.
But the flushing impulsive force is not enough, and the flushing can be realized only by installing a plurality of valves, the cost is increased, and the cleaning effect is not good.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a composite filter element with a rear carbon integrated RO membrane, which aims to solve the problems that in the prior art, the flushing can be realized only by installing a plurality of valves, the cost is increased and the cleaning effect is not good.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a composite filter element of integrated RO membrane of rearmounted carbon, includes RO membrane main part and rearmounted carbon filter core, RO membrane main part is located the outside of rearmounted carbon filter core, and is equipped with the center tube between RO membrane main part and the rearmounted carbon filter core, RO membrane main part, center tube and rearmounted carbon filter core form outside-in water route, the center tube is close to the position of lower part and has seted up the water hole, the circumference outside of rearmounted carbon filter core is from upwards being equipped with at least one groove circle down, form the subsidence area of slowing down between the inner wall of groove circle and center tube, form the district of speeding up between the outer wall of rearmounted carbon filter core and the inner wall of center tube.
As a further scheme of the present invention, a water-proof structure is fixedly connected to an inner wall of the groove ring.
As a further aspect of the present invention, the water-proof structure is a water-proof polyethylene film or a hard metal section.
As a further scheme of the utility model, the RO filter cartridge comprises an RO filter cartridge barrel, the RO membrane main body, the central tube and the rear carbon filter cartridge are all positioned inside the RO filter cartridge barrel, and gaps are respectively arranged between the RO membrane main body and the RO filter cartridge barrel and between the RO membrane main body and the central tube.
As a further aspect of the present invention, an RO filter element base is disposed below the RO filter element cylinder, a raw water inlet is disposed inside the RO filter element base, and a fluid in the raw water inlet can enter a gap between the RO membrane main body and the RO filter element cylinder.
As a further scheme of the present invention, a rear carbon filter element lower cover is mounted at a lower end of the rear carbon filter element, the rear carbon filter element lower cover is a hollow structure, a hollow portion of the rear carbon filter element lower cover is coaxial with a center of the rear carbon filter element, an RO filter element lower inner cover is disposed inside the RO filter element base, a purified water outlet is disposed inside the RO filter element lower inner cover, and the purified water outlet is communicated with a lower end of the rear carbon filter element lower cover.
As a further aspect of the present invention, an upper inner cover of the RO filter element is installed at the upper end of the RO membrane main body, and a rear carbon filter element upper cover is installed inside the upper inner cover of the RO filter element and seals the upper end of the rear carbon filter element.
As a further scheme of the utility model, a wastewater outlet is formed in the upper inner cover of the RO filter element, an opening and closing assembly is arranged at the wastewater outlet, and the opening and closing assembly can drive the wastewater outlet to open and close.
As a further scheme of the utility model, the opening and closing assembly comprises a water-cut-off plug in threaded connection with the interior of the wastewater outlet, a spring for connecting an upper inner cover of the RO filter element with the water-cut-off plug, an O-shaped sealing ring fixedly connected to the outer part of the circumference of the upper end of the water-cut-off plug and a rotary melting gland fixedly connected to the upper end face of the water-cut-off plug.
Compared with the prior art, the utility model has the beneficial effects that:
1. the RO membrane is arranged for primary filtration, and the rear carbon filter element is arranged for secondary filtration, so that the integral filtration effect is good, and the requirement of water purification in the prior art is met;
2. according to the utility model, the accelerating region and the decelerating and settling region are arranged between the rear carbon filter element and the central tube, the water flow space of the accelerating region is small, the flow speed is high, the water pressure is relatively high, impurities on the outer surface of the rear carbon filter element can be flushed upwards, the water flow speed of the decelerating and settling region is low, the impurities losing high water pressure sink and are suspended in the groove ring, the situation that the position close to the lower part is difficult to continuously filter due to accumulation of the impurities at the bottom of the filter element is avoided, during drainage, the impurities suspended in the groove ring can be rapidly discharged along with the water flow, waste discharge is convenient, the impact force is large, a large bypass component is not required to be installed, and the cost is also reduced.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a diagram showing the positional relationship of the RO membrane main body, the center tube and the rear carbon filter element according to the present invention;
fig. 5 is a top view of the present invention.
In the figure: 1. an RO filter element base; 2. an RO filter element lower inner cover; 3. an RO membrane main body; 31. a water pore; 4. a lower cover of the rear carbon filter element; 5. a central tube; 6. a rear carbon filter element; 7. a rear carbon filter element upper cover; 8. an inner cover is arranged on the RO filter element; 9. an RO filter element cylinder; 10. a spring; 11. a water-break plug; 12. an O-shaped sealing ring; 13. the gland is melted in a rotating way; 14. an acceleration zone; 15. a deceleration settling zone; 16. a water-isolating structure; 17. a groove ring.
Detailed Description
Referring to fig. 1, 3 and 4, in an embodiment of the present invention, a composite filter element of a rear carbon integrated RO membrane includes an RO membrane main body 3 and a rear carbon filter element 6, the RO membrane main body 3 is located outside the rear carbon filter element 6, a central tube 5 is disposed between the RO membrane main body 3 and the rear carbon filter element 6, the RO membrane main body 3, the central tube 5 and the rear carbon filter element 6 form an outward-inward water channel, a water hole 31 is disposed at a position of the central tube 5 near a lower portion, raw water fed from below is first filtered by the outer RO membrane main body 3, filtered water enters between the RO membrane main body 3 and the central tube 5, water is located at a bottom end between the RO membrane main body 3 and the central tube 5 due to self-weight of the water, and then enters between the central tube 5 and the rear carbon filter element 6 through the water hole 31 at the lower portion, and then can be filtered by the rear carbon filter element 6, filtered wastewater remains between the central tube 5 and the rear carbon filter element 6, and the clean water passes through the rear carbon filter element 6 and then is discharged from the lower part of the rear carbon filter element 6;
as shown in fig. 1 and fig. 3, the RO filter cartridge comprises an RO filter cartridge body 9, the RO membrane main body 3, the central tube 5 and the rear carbon filter cartridge 6 are all located inside the RO filter cartridge body 9, gaps are respectively arranged between the RO membrane main body 3 and the RO filter cartridge body 9 and between the RO membrane main body 3 and the central tube 5, the two gaps are both used for water flowing, and the RO filter cartridge body 9 plays a role in protecting the RO membrane main body 3 and also serves as a flow channel for primary filtration of raw water;
as shown in fig. 1, 3 and 4, the rear carbon filter element 6 is provided with at least one groove ring 17 from bottom to top on the outer circumference, according to the venturi effect, the space between the groove ring 17 and the rear carbon filter element 6 is larger, the space between the region of the rear carbon filter element 6 where the groove ring 17 is not provided and the rear carbon filter element 6 is smaller, therefore, during the process of moving from bottom to top, the flow speed of the water flow is slower at the position of the space between the groove ring 17 and the rear carbon filter element 6, and the flow velocity is faster at the position of the space between the area of the rear carbon filter element 6 without the groove ring 17 and the rear carbon filter element 6, the impurities adhered on the outer surface of the rear carbon filter element 6 can be washed upwards by the water flow with the higher flow velocity, when the water flow carrying impurities reaches the space between the groove ring 17 and the rear carbon filter element 6, the flow speed is reduced, and the impurities are suspended in the groove ring 17 due to the lack of impact of the fluid;
therefore, a deceleration settling area 15 is formed between the groove ring 17 and the inner wall of the central tube 5, and an acceleration area 14 is formed between the outer wall of the rear carbon filter element 6 and the inner wall of the central tube 5;
in order to further avoid the blockage of the part of the post-carbon filter element 6 inside the groove ring 17 by impurities, as shown in fig. 4, a water-stop structure 16 is directly fixed on the inner wall of the groove ring 17, so that the part of the post-carbon filter element 6 inside the groove ring 17 does not have the filtering function, and only has the function of collecting the impurities, preferably, the water-stop structure 16 is a water-stop polyethylene film or a hard metal section;
certainly, the rear carbon filter element 6 in the device is of an integral structure, and can also be provided with a sectional structure, the rear carbon filter element 6 is vertically divided into sections, and a part with the same shape as the groove ring 17 is adopted between the sections to connect the two adjacent upper and lower sections of the rear carbon filter element 6, so that the integral use principle of the rear carbon filter element 6 is the same as the principle, but the material of the carbon filter element is saved;
referring to fig. 1 and 3, an RO filter cartridge base 1 is disposed below the RO filter cartridge housing 9, a raw water inlet is disposed inside the RO filter cartridge base 1, fluid of the raw water inlet can enter a gap between the RO membrane main body 3 and the RO filter cartridge housing 9, and the raw water enters the gap between the RO membrane main body 3 and the RO filter cartridge housing 9 through the raw water inlet of the RO filter cartridge base 1, and then can be filtered by the RO membrane main body 3 in a first step;
continuing to refer to fig. 1 and 3, a rear carbon filter element lower cover 4 is mounted at the lower end of the rear carbon filter element 6, the rear carbon filter element lower cover 4 is of a hollow structure, the hollow part of the rear carbon filter element lower cover 4 is coaxial with the center of the rear carbon filter element 6, an RO filter element lower inner cover 2 is arranged inside the RO filter element base 1, a purified water outlet is arranged inside the RO filter element lower inner cover 2, the purified water outlet is communicated with the lower end of the rear carbon filter element lower cover 4, and purified water filtered by the rear carbon filter element 6 can move downwards through the middle part of the rear carbon filter element 6 and is discharged from the purified water outlet on the RO filter element lower inner cover 2 after passing through the rear carbon filter element lower cover 4;
referring to fig. 1 and 3, an upper RO filter element inner cover 8 is installed at the upper end of the RO membrane main body 3, and the upper RO filter element inner cover 8 can prevent raw water from overflowing from the upper side of the upper RO membrane main body 3 after being primarily filtered by the RO membrane main body 3, and ensure that the primarily filtered water can enter the center tube 5 and be secondarily filtered by the rear carbon filter element 6;
with continued reference to fig. 1 and 3, a rear carbon filter element upper cover 7 is provided inside the RO filter element upper inner cover 8, and the rear carbon filter element upper cover 7 seals the upper end of the rear carbon filter element 6, thereby preventing wastewater from flowing out when wastewater discharge is not required;
referring to fig. 1 and 2, a wastewater outlet is formed in an inner cover 8 of the RO filter element, an opening and closing assembly is installed at the wastewater outlet and can drive the wastewater outlet to open and close, and when wastewater is required to be discharged, the wastewater outlet is opened through the opening and closing assembly, and then the wastewater can be discharged;
referring to fig. 1, 2 and 4, the opening and closing assembly includes a water-break plug 11 screwed inside the wastewater outlet, a spring 10 for connecting the RO filter element upper inner cap 8 and the water-break plug 11, an O-ring 12 fixedly connected to the outer circumference of the upper end of the water-break plug 11, and a rotary-melting gland 13 fixedly connected to the upper end surface of the water-break plug 11, wherein the water-break plug 11 can be rotated by the rotary-melting gland 13 to generate a screw force between the water-break plug 11 and the wastewater outlet, and the water-break plug 11 can be in a plugging or non-plugging state, and the spring 10 can connect the water-break plug 11 and the RO filter element upper inner cap 8 when the water-break plug 11 is separated from the wastewater outlet and is not plugged, so as to prevent the water-break plug 11 from being lost.
The working principle of the utility model is as follows: when the device is used, raw water enters a gap between the RO membrane main body 3 and the RO filter element cylinder 9 from a raw water inlet inside the RO filter element base 1, then is filtered by the RO membrane main body 3 for the first step, the filtered water enters between the RO membrane main body 3 and the central tube 5, due to the self-weight of the water, the water can reach the gap between the central tube 5 and the rear carbon filter element 6 from the position of the water hole 31, the water flow gradually moves upwards in the gap, impurities are filtered outside the rear carbon filter element 6, in the process of moving from bottom to top, the flow speed is faster at the position of the acceleration area 14, the flow speed is slower at the position of the deceleration sedimentation area 15, the water flow with the faster flow speed can upwards wash the impurities adhered on the outer surface of the rear carbon filter element 6, when the water flow carrying the impurities reaches the space between the groove ring 17 and the rear carbon filter element 6, the flow speed is slower, the impurities sink due to the impact of lack of fluid, the water-proof structure 16 can accumulate impurities on the water-proof structure 16 when the impurities are excessive, the impurities on the water-proof structure 16 can be washed away upwards by water flow with large lower impact force when waste is discharged, and then the outer surface of the carbon filter element 6 is clean and does not need to be detached and cleaned;
when the waste water carrying impurities needs to be discharged, the water-break plug 11 can be rotated by rotating the melting cover 13, so that the water-break plug 11 and a waste water outlet generate thread force, and then the water-break plug 11 can be in a plugging or non-plugging state, the spring 10 can be used for connecting the water-break plug 11 and the inner cover 8 on the RO filter core when the water-break plug 11 is separated from the waste water outlet and is not plugged, so that the water-break plug 11 is prevented from being lost, and the spring 10 can also be used for quickly popping the water-break plug 1 when the water-break plug 1 is separated from the inner cover 8 on the RO filter core, so that the progress of discharging the waste water is accelerated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a composite filter element of integrated RO membrane of rearmounted carbon, includes RO membrane main part (3) and rearmounted carbon filter core (6), its characterized in that, RO membrane main part (3) are located the outside of rearmounted carbon filter core (6), and are equipped with between RO membrane main part (3) and rearmounted carbon filter core (6) center tube (5), RO membrane main part (3), center tube (5) and rearmounted carbon filter core (6) form from outside-in water route, center tube (5) are close to the position of lower part and have seted up water hole (31), the circumference outside of rearmounted carbon filter core (6) is from upwards being equipped with at least one race (17) down, form speed reduction settlement zone (15) between the inner wall of race (17) and center tube (5), form acceleration zone (14) between the outer wall of rearmounted carbon filter core (6) and the inner wall of center tube (5).
2. A composite filter element of a post-carbon integrated RO membrane according to claim 1, wherein: and a water-resisting structure (16) is fixedly connected to the inner wall of the groove ring (17).
3. A composite filter element of a post-carbon integrated RO membrane according to claim 2, wherein: the waterproof structure (16) is an impermeable polyethylene film or a hard metal section.
4. A composite filter element of a post-carbon integrated RO membrane according to claim 1 or 2, wherein: still include RO filter core barrel (9), RO membrane main part (3), center tube (5) all are located the inside of RO filter core barrel (9) with rearmounted carbon filter core (6), all be equipped with the clearance between RO membrane main part (3) and RO filter core barrel (9) and between RO membrane main part (3) and center tube (5).
5. A composite filter element of a post-carbon integrated RO membrane according to claim 4, characterized in that: the below of RO filter core barrel (9) is equipped with RO filter core base (1), and the inside of RO filter core base (1) is equipped with raw water import, and the fluid of raw water import can get into inside the clearance between RO membrane main part (3) and RO filter core barrel (9).
6. A composite filter element of a post-carbon integrated RO membrane according to claim 5, characterized in that: rearmounted carbon filter core lower cover (4) are installed to the lower extreme of rearmounted carbon filter core (6), and rearmounted carbon filter core lower cover (4) be hollow structure, and the well kenozooecium of rearmounted carbon filter core lower cover (4) is coaxial with the center of rearmounted carbon filter core (6), the inside of RO filter core base (1) is equipped with inner cup (2) under the RO filter core, and the inside of inner cup (2) is equipped with the water purification export under the RO filter core, and the water purification export communicates with the lower extreme of rearmounted carbon filter core lower cover (4).
7. A composite filter element of a post-carbon integrated RO membrane according to claim 6, characterized in that: the upper end of RO membrane main part (3) is installed inner cup (8) on the RO filter core, the inside of inner cup (8) is equipped with rearmounted carbon filter core upper cover (7) on the RO filter core, and rearmounted carbon filter core upper cover (7) seal the upper end of rearmounted carbon filter core (6).
8. A composite filter element of a post-carbon integrated RO membrane according to claim 7, wherein: and a wastewater outlet is formed in the upper inner cover (8) of the RO filter element, an opening and closing assembly is installed at the wastewater outlet and can drive the wastewater outlet to open and close.
9. A composite filter element of a post-carbon integrated RO membrane according to claim 8, wherein: the opening and closing assembly comprises a water cut-off plug (11) in the waste water outlet in a threaded connection mode, a spring (10) used for connecting an upper inner cover (8) of the RO filter element with the water cut-off plug (11), an O-shaped sealing ring (12) fixedly connected to the outer portion of the circumference of the upper end of the water cut-off plug (11) and a rotary melting gland (13) fixedly connected to the upper end face of the water cut-off plug (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121129586.3U CN216426886U (en) | 2021-05-25 | 2021-05-25 | Composite filter element of rear carbon integrated RO (reverse osmosis) membrane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121129586.3U CN216426886U (en) | 2021-05-25 | 2021-05-25 | Composite filter element of rear carbon integrated RO (reverse osmosis) membrane |
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| CN216426886U true CN216426886U (en) | 2022-05-03 |
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| CN202121129586.3U Active CN216426886U (en) | 2021-05-25 | 2021-05-25 | Composite filter element of rear carbon integrated RO (reverse osmosis) membrane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321330A (en) * | 2021-05-28 | 2021-08-31 | 深圳市诺百纳科技有限公司 | Composite filter element of rear carbon integrated RO (reverse osmosis) membrane |
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2021
- 2021-05-25 CN CN202121129586.3U patent/CN216426886U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321330A (en) * | 2021-05-28 | 2021-08-31 | 深圳市诺百纳科技有限公司 | Composite filter element of rear carbon integrated RO (reverse osmosis) membrane |
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