CN114014453B - Filter device with water diversion sealing ring - Google Patents
Filter device with water diversion sealing ring Download PDFInfo
- Publication number
- CN114014453B CN114014453B CN202111271271.7A CN202111271271A CN114014453B CN 114014453 B CN114014453 B CN 114014453B CN 202111271271 A CN202111271271 A CN 202111271271A CN 114014453 B CN114014453 B CN 114014453B
- Authority
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- China
- Prior art keywords
- filter element
- water
- sealing ring
- shell
- water diversion
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 204
- 238000007789 sealing Methods 0.000 title claims abstract description 75
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 105
- 239000012528 membrane Substances 0.000 claims abstract description 94
- 238000001914 filtration Methods 0.000 claims abstract description 63
- 239000002351 wastewater Substances 0.000 claims abstract description 50
- 239000008213 purified water Substances 0.000 claims abstract description 46
- 229920000742 Cotton Polymers 0.000 claims abstract description 23
- 229910052799 carbon Inorganic materials 0.000 claims description 17
- 230000035622 drinking Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/003—Coaxial constructions, e.g. a cartridge located coaxially within another
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/004—Seals, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/006—Cartridges
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
The invention discloses a filtering device with a water diversion sealing ring, which comprises an outer shell, an inner shell, a first filter element combination, a second filter element combination and the water diversion sealing ring, wherein the outer shell is provided with a water diversion sealing ring; the first filter element combination comprises a PP cotton filter element and a front activated carbon filter element which are sleeved from outside to inside; the second filter element combination comprises an RO membrane filter element and a rear activated carbon filter element which are sleeved from outside to inside; the upper end of the inner shell is provided with a purified water input port; the filtering end of the inner side surface of the front activated carbon filter element is communicated with the initial filtering end of the outer side surface of the RO membrane filter element through a purified water input port; the water diversion sealing ring is arranged between the outer side face of the RO membrane filter core and the inner side face of the inner shell and is used for isolating water to be filtered positioned on the outer side face of the RO membrane filter core and wastewater generated after filtration of the RO membrane positioned at the lower end of the RO membrane filter core, and the water diversion sealing ring can effectively isolate filtered water which is not purified by the RO membrane and wastewater generated after filtration of the RO membrane, so that the water diversion sealing ring has the advantages of being more environment-friendly and economical.
Description
Technical Field
The invention relates to the technical field of water purifying equipment, in particular to a filtering device with a water diversion sealing ring.
Background
In the multi-stage filtration water purifier containing RO membranes in the prior art, the purified water which is not filtered by the RO membranes exists at the initial filtration end of the RO membranes, and the wastewater which is filtered by the RO membranes but does not enter the next stage filter element contains metal ions with higher concentration, and after the wastewater filtered by the RO membranes is mixed with the purified water which is not filtered by the RO membranes, the total amount of wastewater which needs to be discharged is increased, so that the water and electricity resources are wasted, and the working time of wastewater discharge is prolonged.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present invention is to provide a filtering device with a water diversion seal ring, which can effectively separate the purified water not filtered by the RO membrane from the wastewater, and reduce the increase of the total amount of wastewater caused by mixing.
To achieve the purpose, the invention adopts the following technical scheme:
A filtering device with a water diversion sealing ring comprises an outer shell, an inner shell, a first filter element combination, a second filter element combination and the water diversion sealing ring;
the first filter element combination comprises a PP cotton filter element and a front activated carbon filter element which are sleeved from outside to inside; the second filter element combination comprises an RO membrane filter element and a rear activated carbon filter element which are sleeved from outside to inside;
the second filter element combination is arranged in the inner shell, and the inner shell is arranged in the outer shell;
the first filter element assembly is arranged in the outer shell, and the upper end of the inner shell is provided with a purified water input port; the filtering end of the inner side surface of the preposed active carbon filter element is communicated with the initial filtering end of the outer side surface of the RO membrane filter element through the purified water input port;
The water diversion sealing ring is arranged between the outer side surface of the RO membrane filter element and the inner side surface of the inner shell and is used for isolating water to be filtered positioned on the outer side surface of the RO membrane filter element and wastewater generated after filtration of the RO membrane positioned at the lower end of the RO membrane filter element.
Specifically, the water diversion sealing ring is provided with a first sealing ring, a second sealing ring and a third sealing ring;
The lower edge of the first sealing ring and the upper edge of the third sealing ring are respectively connected with the upper edge and the lower edge of the second sealing ring; the upper edge of the first sealing ring and the inner side surface of the third sealing ring are propped against the outer side surface of the RO membrane filter element; the lower edge of the first sealing ring and the upper edge of the second sealing ring are propped against the inner side surface of the inner shell.
Further, the end part of the lower edge of the third sealing ring is close to the lower end part of the RO membrane filter core;
The gap between the upper end of the RO membrane filter element and the inner top surface of the inner shell is communicated with the gap between the outer side surface of the RO membrane filter element and the inner side surface of the inner shell.
Specifically, the shell is provided with an outer lower cover, the outer lower cover is positioned at the lower end of the shell, and the lower end part of the shell is provided with a water inlet pipe;
the inner shell is also provided with an inner lower cover, and the inner lower cover is positioned at the lower end of the inner shell; the outer lower cover is sleeved on the outer side of the inner lower cover and surrounds the outer side surface of the inner lower cover;
The lower end of a gap between the inner side surface of the outer lower cover and the outer side surface of the inner lower cover is communicated with the water inlet pipe, and the upper end of a gap between the inner side surface of the outer lower cover and the outer side surface of the inner lower cover is communicated with the initial filter end of the PP cotton filter element through a gap between the inner side surface of the outer shell and the outer side surface of the inner shell.
Further, the device also comprises a water inlet valve, wherein the water inlet valve is arranged in the shell and is close to the outer side face of the inner lower cover;
The water inlet valve is a check valve which is communicated inwards in a unidirectional way, the upper end of the water inlet valve is communicated with the initial filtering end of the PP cotton filter element, and the lower end of the water inlet valve is communicated with an external water source through the water inlet pipe.
Further, the filter element also comprises a water diversion pipe, wherein the inner side surface of the water diversion pipe is sleeved at the lower end part of the rear activated carbon filter element;
The lower end part of the shell is also provided with a purified water output pipe;
The water diversion pipe is provided with a water diversion port, the upper end of the water diversion port is communicated with the filtering end of the rear activated carbon filter element, and the lower end of the water diversion port extends downwards and penetrates through the lower end of the inner lower cover to be communicated with the purified water output pipe.
Further, the device also comprises a waste water valve;
The lower end part of the shell is also provided with a waste water output pipe;
The water diversion pipe is also provided with a mounting hole, and the mounting hole is positioned between the lower end of the RO membrane filter element and the inner side surface of the inner shell; the waste water valve is arranged in the mounting hole;
the upper end of the wastewater valve is communicated with a gap between the lower end of the RO membrane filter core and the inner side surface of the inner shell, and the lower end of the wastewater valve is communicated with the wastewater output pipe through a gap between the outer side surface of the water diversion pipe and the inner side surface of the inner lower cover.
Further, the device also comprises a water outlet valve, wherein the water outlet valve is arranged in the purified water output pipe near the lower end of the water diversion port;
The water outlet valve is an outward one-way conduction check valve, the upper end of the water outlet valve is communicated with the filtering end of the rear activated carbon filter element through the water diversion pipe, and the lower end of the water outlet valve is communicated with the outside through the purified water output pipe.
Further, the inner shell further comprises an inner middle cover;
The inner middle cover is detachably sleeved at the upper ends of the RO membrane filter element and the rear activated carbon filter element, and the edge of the inner middle cover is propped against the inner side surface of the inner lower cover;
The top surface of the RO membrane filter element is propped against the bottom surface of the inner middle cover, the lower ends of the PP cotton filter element and the front activated carbon filter element are adjacent and propped against the top surface of the inner middle cover, the middle part of the inner middle cover extends upwards into the front activated carbon filter element, the outer side surface of the inner middle cover which extends upwards is propped against the inner side surface of the front activated carbon filter element, the upper end part of the rear activated carbon filter element is propped upwards against the bottom surface of the middle part of the inner middle cover, and the outer side surface of the PP cotton filter element is propped against the inner side surface of the upper end part of the inner lower cover;
the middle part of the inner middle cover is provided with the purified water input port, and the purified water input port is positioned between the outer side surface of the upper end part of the rear activated carbon filter element and the inner side surface of the inner middle cover which extends upwards.
Further, the device also comprises a mounting rack, wherein the mounting rack is sleeved at the middle part of the shell;
the mounting frame is provided with at least two inserting holes, and the inserting holes are used for fixing the shell on the drinking water equipment.
The technical scheme of the invention has the beneficial effects that: the filtering device with the water diversion sealing rings comprises a filtering device, a four-stage filtering filter core is divided into two groups, a PP cotton filter core and a front active carbon filter core are installed in an outer shell, an RO membrane filter core and a rear active carbon filter core are respectively installed in an inner shell, a filtering end of the front active carbon filter core in the outer shell and a starting filtering end of the RO membrane filter core are communicated through a purified water inlet at the upper end of the inner shell to form a continuous purified water passage, the water diversion sealing rings are installed between the outer side surface of the RO membrane filter core and the inner side surface of the inner shell, filtered water which is not purified by the RO membrane and waste water which is produced after being filtered by the RO membrane can be effectively isolated through the water diversion sealing rings, and therefore, the mixing of the waste water and the filtered water which is not purified by the RO membrane can be avoided, the increase of the total amount of the waste water caused by mixing is reduced, the time for discharging the waste water is saved, and the filtering device has the advantages of being more environment-friendly and economical.
Drawings
FIG. 1 is a schematic cross-sectional view of a filtration device containing a water diversion seal in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of the external structure of the embodiment of FIG. 1;
FIG. 3 is a schematic diagram of the waterway of the purified water of the embodiment of FIG. 1;
FIG. 4 is a schematic diagram of the output waterway of the wastewater of the embodiment of FIG. 1;
FIG. 5 is an enlarged partial view of portion A of FIG. 1;
FIG. 6 is an enlarged partial view of portion B of FIG. 1;
FIG. 7 is a schematic view of the water diversion sealing ring in FIG. 1;
Wherein: a housing 1; an outer lower cover 11; a water inlet pipe 111; purified water output pipe 112; a waste water output pipe 113; an inner case 2; an inner lower cover 21; an inner middle cover 22; a purified water input port 221; a PP cotton filter element 3; a front activated carbon filter element 4; a water diversion sealing ring 5; a first seal ring 51; a second seal ring 52; a third seal ring 53; an RO membrane filter element 6; a rear activated carbon filter element 7; a water diversion pipe 8; a water diversion port 81; a mounting hole 82; a water outlet valve 12; a water inlet valve 13; a waste water valve 14; a mounting frame 15; and a fitting hole 151.
Detailed Description
The technical scheme of the invention is further described below by means of specific embodiments in combination with the accompanying drawings 1-7.
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, so to speak, the two elements are communicated internally. It will be understood by those of ordinary skill in the art that the terms described above are in the specific sense of the present invention.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
A filtering device with a water diversion sealing ring comprises an outer shell 1, an inner shell 2, a first filter element combination, a second filter element combination and a water diversion sealing ring 5;
The first filter element combination comprises a PP cotton filter element 3 and a preposed active carbon filter element 4 which are sleeved from outside to inside; the second filter element combination comprises an RO membrane filter element 6 and a rear activated carbon filter element 7 which are sleeved from outside to inside;
the second filter element combination is arranged in the inner shell 2, and the inner shell 2 is arranged in the outer shell 1;
the first filter element combination is arranged in the outer shell 1, and a purified water input port 221 is arranged at the upper end of the inner shell 2; the filtering end of the inner side surface of the preposed active carbon filter element 4 is communicated with the initial filtering end of the outer side surface of the RO membrane filter element 6 through the purified water input port 221;
The water diversion sealing ring 5 is arranged between the outer side surface of the RO membrane filter core 6 and the inner side surface of the inner shell 2, and is used for isolating water to be filtered positioned on the outer side surface of the RO membrane filter core 6 and wastewater generated after the filtration of the RO membrane positioned at the lower end of the RO membrane filter core 6.
As shown in figures 1-7, the filtering device with the water diversion sealing ring comprises two groups of filtering cores for four-stage filtration, a PP cotton filter core and a front active carbon filter core 4 are arranged in an outer shell 1, an RO membrane filter core 6 and a rear active carbon filter core 7 are respectively arranged in an inner shell 2, the filtering end of the front active carbon filter core 4 in the outer shell 1 and the initial filtering end of the RO membrane filter core 6 are communicated through a purified water input port 221 at the upper end of the inner shell 2 to form a continuous purified water passage, and a water diversion sealing ring 5 is arranged between the outer side surface of the RO membrane filter core 6 and the inner side surface of the inner shell 2, so that the filtered water which is not purified by the RO membrane and the waste water which is generated after being filtered by the RO membrane can be effectively isolated by the water diversion sealing ring 5, and the mixing of the waste water and the filtered water which is not purified by the RO membrane can be avoided, thereby reducing the total amount of the waste water which is increased due to the mixing, saving the time of the discharged waste water and having the advantages of being more environment-friendly and economical.
Specifically, the water diversion sealing ring 5 is provided with a first sealing ring 51, a second sealing ring 52 and a third sealing ring 53;
The lower edge of the first seal ring 51 and the upper edge of the third seal ring 53 are connected with the upper edge and the lower edge of the second seal ring 52, respectively; the upper edge of the first sealing ring 51 and the inner side surface of the third sealing ring 53 are propped against the outer side surface of the RO membrane filter core 6; the lower edge of the first sealing ring 51 and the upper edge of the second sealing ring 52 are abutted against the inner side surface of the inner shell 2.
The cross section of the water diversion sealing ring 5 is shown in fig. 7, as shown in fig. 1,3 and 4, the filtered water which is not purified by the RO membrane is positioned above the water diversion sealing ring 5, filtered by the RO membrane and purified by the rear activated carbon filter element 7 to be purified into purified water, and the water which passes through the RO membrane but cannot enter the rear activated carbon filter element 7 forms wastewater, flows below the water diversion sealing ring 5 and is discharged outwards by the wastewater valve 14.
The water diversion sealing ring 5 is propped against the outer side surface of the RO membrane filter core 6 and the inner side surface of the inner shell 2, has good installation stability and sealing effect, and can effectively isolate the filtered water which is not purified by the RO membrane from the wastewater which is generated after the filtration by the RO membrane.
Further, the lower end of the third sealing ring 53 is close to the lower end of the RO membrane cartridge 6;
the gap between the upper end of the RO membrane filter element 6 and the inner top surface of the inner shell 2 is communicated with the gap between the outer side surface of the RO membrane filter element 6 and the inner side surface of the inner shell 2.
The lower end of the third sealing ring 53 is close to the lower end of the RO membrane cartridge 6, so that filtered water which is located between the outer side surface of the RO membrane cartridge 6 and the inner side surface of the inner shell 2 and is not purified by the RO membrane has a relatively larger space, so as to ensure the filtration efficiency of the RO membrane cartridge 6.
The gap between the upper end of the RO membrane filter core 6 and the inner top surface of the inner shell 2 is communicated with the gap between the outer side surface of the RO membrane filter core 6 and the inner side surface of the inner shell 2, so that the water pressure of the upper end and the outer side surface of the RO membrane filter core 6 is kept the same, deformation or layering of the RO membrane wound on the rear active carbon filter core 7 due to uneven compression can be avoided, the performance stability of the RO membrane filter core 6 is further maintained, and the service life of the RO membrane filter core 6 is prolonged.
Specifically, the housing 1 is provided with an outer lower cover 11, the outer lower cover 11 is located at the lower end of the housing 1, and the lower end of the housing 1 is provided with a water inlet pipe 111;
the inner shell 2 is also provided with an inner lower cover 21, and the inner lower cover 21 is positioned at the lower end of the inner shell 2; the outer lower cover 11 is sleeved on the outer side of the inner lower cover 21 and surrounds the outer side surface of the inner lower cover 21;
The lower end of the gap between the inner side surface of the outer lower cover 11 and the outer side surface of the inner lower cover 21 is communicated with the water inlet pipe 111, and the upper end of the gap between the inner side surface of the outer lower cover 11 and the outer side surface of the inner lower cover 21 is communicated with the initial filtering end of the PP cotton filter element 3 through the gap between the inner side surface of the outer shell 1 and the outer side surface of the inner shell 2.
As shown in fig. 3, the path of the purified water flow is formed by the water inlet pipe 111, the gap between the inner side surface of the outer lower cover 11 and the outer side surface of the inner lower cover 21, and the gap between the inner side surface of the outer shell 1 and the outer side surface of the inner shell 2, and a channel for conveying the tap water to be purified from bottom to top is formed, so that a water source is provided for the initial filtering end of the PP cotton filter element 3.
Further, the device also comprises a water inlet valve 13, wherein the water inlet valve 13 is arranged in the shell 1 and is close to the outer side surface of the inner lower cover 21;
the water inlet valve 13 is a check valve which is communicated inwards in a unidirectional way, the upper end of the water inlet valve 13 is communicated with the initial filtering end of the PP cotton filter element 3, and the lower end of the water inlet valve 13 is communicated with an external water source through the water inlet pipe 11.
The opening and closing and the flow rate of tap water input into the initial filtering end of the PP cotton filter element 3 can be controlled through the water inlet valve 13, the water inlet valve 13 is a check valve which is communicated inwards in a unidirectional way, and when the filtering device containing the water diversion sealing ring is taken down for maintenance, the phenomenon that water flows outwards from the water inlet valve 13 is avoided, so that the cleaning burden during maintenance can be reduced.
Further, the filter comprises a water diversion pipe 8, wherein the inner side surface of the water diversion pipe 8 is sleeved at the lower end part of the rear activated carbon filter element 7;
The lower end part of the shell 1 is also provided with a purified water output pipe 112;
the water diversion pipe 8 is provided with a water diversion port 81, the upper end of the water diversion port 81 is communicated with the filtering end of the rear activated carbon filter element 7, and the lower end of the water diversion port 81 extends downwards and penetrates through the lower end of the inner lower cover 21 to be communicated with the purified water output pipe 112.
As shown in fig. 3, the purified water output pipe 112, the water diversion port 81 and the water diversion pipe 8 are sequentially connected to form a water flow channel for conveying purified water filtered by the filtering end of the rear activated carbon filter element 7 outwards.
Further, a waste water valve 14 is included;
the lower end part of the shell 1 is also provided with a waste water output pipe 113;
The water diversion pipe 8 is also provided with a mounting hole 82, and the mounting hole 82 is positioned between the lower end of the RO membrane filter core 6 and the inner side surface of the inner shell 2; the waste valve 14 is mounted to the mounting hole 82;
The upper end of the waste water valve 14 is communicated with a gap between the lower end of the RO membrane filter core 6 and the inner side surface of the inner shell 2, and the lower end of the waste water valve 14 is communicated with the waste water output pipe 113 through a gap between the outer side surface of the water diversion pipe 8 and the inner side surface of the inner lower cover 21.
As shown in fig. 4 and 5, fig. 4 shows the output path of the wastewater, the wastewater filtered out from the lower end of the RO membrane cartridge 6 can be controlled by the wastewater valve 14, and discharged from the wastewater output pipe 113 through the gap between the outer side surface of the water diversion pipe 8 and the inner side surface of the inner lower cover 21.
Further, the device also comprises a water outlet valve 12, wherein the water outlet valve 12 is arranged in the purified water output pipe 112 near the lower end of the water diversion port 81;
The water outlet valve 12 is a check valve which is communicated with the outside in a unidirectional way, the upper end of the water outlet valve 12 is communicated with the filtering end of the rear activated carbon filter element 7 through the water diversion pipe 8, and the lower end of the water outlet valve 12 is communicated with the outside through the purified water output pipe 112.
As shown in fig. 3 and 5, purified water produced at the filtering end of the rear activated carbon filter element 7 passes through the water diversion pipe 8 from the lower end of the water outlet valve 12, then enters the purified water output pipe 112 to be output to the outside, and the opening and closing and the flow rate of the output purified water can be controlled through the water outlet valve 12.
Further, the inner case 2 further includes an inner middle cover 22;
the inner middle cover 22 is detachably sleeved at the upper ends of the RO membrane filter core 6 and the rear activated carbon filter core 7, and the edge of the inner middle cover 22 is propped against the inner side surface of the inner lower cover 21;
The top surface of the RO membrane filter core 6 abuts against the bottom surface of the inner middle cover 22, the lower ends of the PP cotton filter core 3 and the front activated carbon filter core 4 are adjacent to each other and abut against the top surface of the inner middle cover 22, the middle part of the inner middle cover 22 extends upwards into the front activated carbon filter core 4, the outer side surface of the inner middle cover 22 extending upwards abuts against the inner side surface of the front activated carbon filter core 4, the upper end part of the rear activated carbon filter core 7 abuts against the bottom surface of the middle part of the inner middle cover 22 upwards, and the outer side surface of the PP cotton filter core 3 abuts against the inner side surface of the upper end part of the inner lower cover 21;
The middle part of the inner middle cover 22 is provided with the purified water inlet 221, and the purified water inlet 221 is positioned between the outer side surface of the upper end part of the rear activated carbon filter element 7 and the inner side surface of the inner middle cover 22 extending upwards.
The purified water inlet 221 arranged through the inner middle cover 22 can be communicated with a gap between the inner side surface of the front active carbon filter element 4 and the outer side surface of the rear active carbon filter element 7, so that the installation stability of the lower ends of the PP cotton filter element 3 and the front active carbon filter element 4 and the installation stability of the upper ends of the RO membrane filter element 6 and the rear active carbon filter element 7 can be improved, the overall structure is more compact, and the interiors of the front active carbon filter element 4 and the rear active carbon filter element 7 can be optimized to obtain a larger filtering space, so that the purification efficiency of the filtering device with the water diversion sealing ring is improved.
Further, the device also comprises a mounting rack 15, wherein the mounting rack 15 is sleeved at the middle part of the shell 1;
The mounting frame 15 is provided with at least two insertion holes 151, and the insertion holes 151 are used for fixing the casing 1 to the drinking device.
As shown in fig. 1-2, the middle part of the casing 1 is sleeved with the mounting frame 15, so that the filtering device with the water diversion sealing ring can be directly inserted into the drinking water equipment downwards, and the filtering device with the water diversion sealing ring is fixed 15 through the insertion hole 151, so that the filtering device with the water diversion sealing ring is prevented from shaking left and right, and the convenience of installation and maintenance can be improved.
In summary, as shown in fig. 1-7, in the embodiment of the present invention, the filtering device with the water diversion sealing ring is divided into two groups, the PP cotton filter core and the front activated carbon filter core 4 are installed in the outer shell 1, the RO membrane filter core 6 and the rear activated carbon filter core 7 are respectively installed in the inner shell 2, the filtering end of the front activated carbon filter core 4 in the outer shell 1 is communicated with the initial filtering end of the RO membrane filter core 6 through the purified water inlet 221 at the upper end of the inner shell 2 to form a continuous purified water path, and the water diversion sealing ring 5 is installed between the outer side surface of the RO membrane filter core 6 and the inner side surface of the inner shell 2, so that the filtered water which is not purified by the RO membrane and the wastewater which is generated after being filtered by the RO membrane can be effectively isolated by the water diversion sealing ring 5, and the mixing of the wastewater and the filtered water which is not purified by the RO membrane can be avoided, thereby reducing the total amount of wastewater which is increased due to the mixing, saving the time of discharging the wastewater, and having the advantages of being more environment-friendly.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Based on the teachings herein, one skilled in the art may recognize additional embodiments of the present invention without further inventive faculty, and in all cases, such embodiments would come within the scope of the invention.
Claims (8)
1. The filtering device with the water diversion sealing ring is characterized by comprising an outer shell, an inner shell, a first filter element combination, a second filter element combination and the water diversion sealing ring;
The first filter element combination comprises a PP cotton filter element and a front activated carbon filter element which are sleeved from outside to inside; the second filter element combination comprises an RO membrane filter element and a rear activated carbon filter element which are sleeved from outside to inside;
the second filter element combination is arranged in the inner shell, and the inner shell is arranged in the outer shell;
The first filter element assembly is arranged in the outer shell, and the upper end of the inner shell is provided with a purified water input port; the filtering end of the inner side surface of the preposed active carbon filter element is communicated with the initial filtering end of the outer side surface of the RO membrane filter element through the purified water input port;
the water diversion sealing ring is arranged between the outer side surface of the RO membrane filter element and the inner side surface of the inner shell and is used for isolating water to be filtered positioned on the outer side surface of the RO membrane filter element and wastewater generated after the filtration of the RO membrane positioned at the lower end of the RO membrane filter element;
The water diversion sealing ring is provided with a first sealing ring, a second sealing ring and a third sealing ring;
The lower edge of the first sealing ring and the upper edge of the third sealing ring are respectively connected with the upper edge and the lower edge of the second sealing ring; the upper edge of the first sealing ring and the inner side surface of the third sealing ring are propped against the outer side surface of the RO membrane filter element; the lower edge of the first sealing ring and the upper edge of the second sealing ring are propped against the inner side surface of the inner shell;
the shell is provided with an outer lower cover, the outer lower cover is positioned at the lower end of the shell, and the lower end part of the shell is provided with a water inlet pipe;
The inner shell is also provided with an inner lower cover, and the inner lower cover is positioned at the lower end of the inner shell; the outer lower cover is sleeved on the outer side of the inner lower cover and surrounds the outer side surface of the inner lower cover;
The lower end of a gap between the inner side surface of the outer lower cover and the outer side surface of the inner lower cover is communicated with the water inlet pipe, and the upper end of a gap between the inner side surface of the outer lower cover and the outer side surface of the inner lower cover is communicated with the initial filtering end of the PP cotton filter element through the gap between the inner side surface of the outer shell and the outer side surface of the inner shell.
2. The filtration device comprising a water diversion seal according to claim 1, wherein the lower end of the third seal ring is adjacent to the lower end of the RO membrane cartridge;
The gap between the upper end of the RO membrane filter element and the inner top surface of the inner shell is communicated with the gap between the outer side surface of the RO membrane filter element and the inner side surface of the inner shell.
3. The filter assembly including a water diverter seal ring of claim 1, further comprising a water inlet valve mounted within said housing adjacent an outer side of said inner lower cover;
the water inlet valve is a check valve which is communicated inwards in a unidirectional way, the upper end of the water inlet valve is communicated with the initial filtering end of the PP cotton filter element, and the lower end of the water inlet valve is communicated with an external water source through the water inlet pipe.
4. The filtering device with the water diversion sealing ring according to claim 1, further comprising a water diversion pipe, wherein the inner side surface of the water diversion pipe is sleeved at the lower end part of the rear activated carbon filter element;
The lower end part of the shell is also provided with a purified water output pipe;
the water diversion pipe is provided with a water diversion port, the upper end of the water diversion port is communicated with the filtering end of the rear activated carbon filter element, and the lower end of the water diversion port extends downwards and penetrates through the lower end of the inner lower cover to be communicated with the purified water output pipe.
5. The filter assembly comprising a water diversion seal according to claim 4, further comprising a waste water valve;
The lower end part of the shell is also provided with a waste water output pipe;
The water diversion pipe is also provided with a mounting hole, and the mounting hole is positioned between the lower end of the RO membrane filter element and the inner side surface of the inner shell; the waste water valve is arranged in the mounting hole;
the upper end of the wastewater valve is communicated with a gap between the lower end of the RO membrane filter core and the inner side surface of the inner shell, and the lower end of the wastewater valve is communicated with the wastewater output pipe through the gap between the outer side surface of the water diversion pipe and the inner side surface of the inner lower cover.
6. The filtering device with the water diversion sealing ring according to claim 4, further comprising a water outlet valve, wherein the water outlet valve is arranged in the purified water output pipe near the lower end of the water diversion port;
The water outlet valve is an outward one-way conduction check valve, the upper end of the water outlet valve is communicated with the filtering end of the rear activated carbon filter element through the water diversion pipe, and the lower end of the water outlet valve is communicated with the outside through the purified water output pipe.
7. The filtration device comprising a water diversion seal according to claim 1, wherein the inner housing further comprises an inner middle cap;
The inner middle cover is detachably sleeved at the upper ends of the RO membrane filter element and the rear activated carbon filter element, and the edge of the inner middle cover is propped against the inner side surface of the inner lower cover;
The top surface of the RO membrane filter element is propped against the bottom surface of the inner middle cover, the lower ends of the PP cotton filter element and the front activated carbon filter element are adjacent and propped against the top surface of the inner middle cover, the middle part of the inner middle cover extends upwards into the front activated carbon filter element, the outer side surface of the inner middle cover which extends upwards is propped against the inner side surface of the front activated carbon filter element, the upper end part of the rear activated carbon filter element is propped upwards against the bottom surface of the middle part of the inner middle cover, and the outer side surface of the PP cotton filter element is propped against the inner side surface of the upper end part of the inner lower cover;
The middle part of the inner middle cover is provided with the purified water input port, and the purified water input port is positioned between the outer side surface of the upper end part of the rear activated carbon filter element and the inner side surface of the inner middle cover which extends upwards.
8. The filter device with the water diversion sealing ring as claimed in claim 1, further comprising a mounting frame, wherein the mounting frame is sleeved at the middle part of the shell;
The mounting frame is provided with at least two inserting holes, and the inserting holes are used for fixing the shell on the drinking equipment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111271271.7A CN114014453B (en) | 2021-10-29 | 2021-10-29 | Filter device with water diversion sealing ring |
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| CN202111271271.7A CN114014453B (en) | 2021-10-29 | 2021-10-29 | Filter device with water diversion sealing ring |
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| CN114014453A CN114014453A (en) | 2022-02-08 |
| CN114014453B true CN114014453B (en) | 2024-04-30 |
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| CN114014453A (en) | 2022-02-08 |
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