CN111185099A

CN111185099A - Compound filter element group spare and water purification system

Info

Publication number: CN111185099A
Application number: CN202010103364.8A
Authority: CN
Inventors: 陈微; 陈锦坚; 赵栋良; 高威; 李友铃; 申鸿海
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-08-02
Filing date: 2020-02-19
Publication date: 2020-05-22
Also published as: CN112295417A; CN112295417B; CN111185102A; CN111185096A; CN211886283U; CN111229054A; CN111229055A; CN111229057A; CN211886284U; CN212091725U; CN111229056A; CN111185098A; CN211886285U; CN211886278U; CN211886282U; CN211886281U; CN111185101A; CN211886279U; CN111318175A; CN212142159U

Abstract

The invention provides a composite filter element assembly and a water purification system, wherein the composite filter element assembly comprises a central pipe (1), the central pipe (1) is made of a material capable of allowing fluid to flow, a support framework (2) is further arranged on the inner peripheral side of the central pipe (1) or inside the solid body of the central pipe (1), and the central pipe (1) and the support framework (2) are integrally formed. The support framework directly enhances the structural strength of the carbon rod, does not occupy actual space, simplifies the structure, does not need to fix the fixing frame in the central tube of the filter material in the assembly process of the filter element, simplifies the installation and maintenance, and reduces the size of the whole filter element.

Description

Compound filter element group spare and water purification system

Technical Field

The invention belongs to the technical field of water purification, and particularly relates to a composite filter element assembly and a water purification system.

Background

Patent number CN209428257U discloses a compound filter element group spare and water purification system, but its rearmounted carbon-layer and center tube are mutually independent, and the rearmounted carbon-layer carries out removable the being connected with the center tube, and the structure is still comparatively complicated.

Patent number CN110255744A discloses a composite filter element assembly and water purification system, wherein the second-stage pretreatment filter element disclosed in the patent is a tubular structure made of activated carbon fiber, and the radial inner side of the second-stage pretreatment filter element is further provided with a support framework of the tubular structure. The supporting framework is used for increasing the strength of the cylindrical activated carbon and playing a role in supporting and protecting.

Patent number CN208500582U discloses a composite filter core and have its water system, and composite filter core is owing to adopt a plurality of PP layers and carbon fiber layer to constitute, therefore pollutant carrying capacity is strong and be difficult to the jam.

Because the structure strength of the second-stage filtering post-carbon rod is not enough, the supporting framework and the post-carbon rod are matched for use in order to increase the structure strength and prolong the service life of the multi-stage filter element assembly in the prior art, but the cost is increased by the mode, so that the overall size of the filter element structure is increased, and the structure is more complex, the composite filter element assembly and the water purification system are researched and designed.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defects that the size of the whole filter element structure is increased due to the matching use of the support framework and the rear carbon rod in the multi-stage filter element assembly in the prior art, and the like, so that the composite filter element assembly and the water purification system are provided.

The present invention provides a composite filter element assembly comprising:

including the center tube, the center tube is made for the material that can allow the fluid circulation, the internal week side of center tube or the entity inside of center tube still is provided with support chassis, just the center tube with support chassis integrated into one piece sets up.

Preferably, the first and second electrodes are formed of a metal,

the integral molding manner includes at least one of injection molding and casting.

Preferably, the first and second electrodes are formed of a metal,

the center tube is cylindrical structure, support skeleton also is cylindrical structure, and is located between the interior outer wall of center tube.

Preferably, the first and second electrodes are formed of a metal,

the supporting framework is provided with at least one through hole penetrating through the inner peripheral wall and the outer peripheral wall.

Preferably, the first and second electrodes are formed of a metal,

the center tube is cylindric structure, the support chassis be helical structure, and wear to establish set up in inside the entity of center tube.

Preferably, the first and second electrodes are formed of a metal,

still include the fine treatment filter core, the fine treatment filter core is roll up the membrane, just roll up formula membrane and coil up the setting and be in the center tube periphery.

Preferably, the first and second electrodes are formed of a metal,

the filter material that can allow the fluid to pass through includes: at least one of a carbon material, a polypropylene pp material and a ceramic material; and/or the fine treatment filter element is a reverse osmosis membrane.

Preferably, the first and second electrodes are formed of a metal,

the central tube is of a cylindrical carbon rod structure consisting of the carbon material; or the central pipe is of a cylindrical PP structure made of the polypropylene PP material; or the central tube is of a cylindrical ceramic tube structure made of the ceramic material.

Preferably, the first and second electrodes are formed of a metal,

the filter core pretreatment device also comprises a first-stage pretreatment filter core and a second-stage pretreatment filter core, wherein the first-stage pretreatment filter core is arranged at the radial periphery of the second-stage pretreatment filter core;

the first-stage pretreatment filter element is made of PP cotton, and the second-stage pretreatment filter element is made of activated carbon; and/or the first-stage pretreatment filter element is of a cylindrical structure, and the second-stage pretreatment filter element is of a cylindrical structure; and/or the presence of a gas in the gas,

still include ultrafiltration filter core, set up in the radial inner periphery of center tube, ultrafiltration filter core is at least one.

The invention also provides a water purification system comprising the composite filter element assembly as described in any one of the preceding claims.

The composite filter element assembly and the water purification system provided by the invention have the following beneficial effects:

the support framework is arranged on the inner peripheral side or inside the solid body of the central tube, so that the support effect on the central tube can be effectively formed, the support framework and the central tube are integrally formed, the support framework directly enhances the structural strength of the carbon rod, the actual space is not occupied, the structure is simplified, a fixing frame does not need to be fixed inside the central tube of the filter material in the assembling process of the filter element, the installation and maintenance are simpler, and the size of the whole filter element is reduced.

Drawings

FIG. 1 is a schematic illustration of the internal center tube + support frame structure of a composite filter cartridge assembly of example 1 of the present invention;

FIG. 2 is a schematic structural view of the support frame of FIG. 1;

FIG. 3 is a schematic illustration of the internal center tube + support frame structure of the composite filter cartridge assembly of example 2 of the present invention;

FIG. 4 is a schematic structural view of the support armature of FIG. 3;

FIG. 5 is a schematic view of the internal structure of the composite filter element assembly of the present invention.

The reference numbers in the figures denote:

1. a central tube; 2. a support framework; 21. a through hole; 3. finely processing the filter element; 41. a first stage pretreatment filter element; 42. a second stage pre-treatment filter element; 5. and (4) an ultrafiltration filter element.

Detailed Description

As shown in fig. 1-5, the present invention provides a composite filter element assembly comprising:

including center tube 1, center tube 1 is made for the material that can allow the fluid circulation, the week side of center tube 1 or the inside support frame 2 that still is provided with of entity of center tube 1, just center tube 1 with support frame 2 integrated into one piece sets up. The support framework is arranged on the inner peripheral side or inside the solid body of the central tube, so that the support effect on the central tube can be effectively formed, the support framework and the central tube are integrally formed, the support framework directly enhances the structural strength of the carbon rod, the actual space is not occupied, the structure is simplified, a fixing frame does not need to be fixed inside the central tube of the filter material in the assembling process of the filter element, the installation and maintenance are simpler, and the size of the whole filter element is reduced.

The carbon rod central tube plays a role in improving the mouthfeel. Because the characteristics of carbon structure fragility, easy rupture, the inboard meeting erection bracing frame of traditional carbon-point structure, so in the use of filter core, the support frame and the laminating of carbon-point play the effect of support protection carbon-point, can prolong the life of carbon-point, practice thrift the cost. In the direction that the research and development of the filter element of the existing water purifier are concentrated on the integration and integration of the filter element structure, in order to reduce the volume of the filter element after assembly, save the cost, prolong the service life of the carbon rod and save the installation procedure, the carbon rod and the supporting structure are integrally formed, the supporting frame is arranged in the middle of the carbon rod layer, the installation of the supporting frame is reduced, the space occupation of the supporting frame is saved, the strength of the carbon rod is enhanced, and the service life of the carbon rod is prolonged.

Preferably, the first and second electrodes are formed of a metal,

the integral molding manner includes at least one of injection molding and casting. The central tube and the supporting framework are integrally formed, the central tube and the supporting framework can be effectively manufactured into an integral structure through injection molding or casting, the central tube and the supporting framework cannot be disassembled, the assembly is convenient, the volume is effectively reduced, and the structural strength is also enhanced.

Example 1, as shown in fig. 1-2, preferably,

the central tube 1 is of a cylindrical structure, and the supporting framework 2 is also of a cylindrical structure and is positioned inside the entity of the central tube 1 (namely between the inner wall and the outer wall). This is the preferred construction of the base pipe and support frame of example 1 of the present invention, i.e., the support frame is located within the solid interior of the base pipe (i.e., between the inner and outer walls) and is integrally formed by injection molding or casting.

Preferably, the first and second electrodes are formed of a metal,

the supporting framework 2 is provided with at least one through hole 21 penetrating between the inner peripheral wall and the outer peripheral wall. This is a further preferable structural form of the support skeleton according to embodiment 1 of the present invention, and the fluid flowing from the central tube can be effectively conducted through the through holes, so that the fluid can effectively enter the inner peripheral side of the carbon rod central tube.

Example 1, as shown in fig. 1-2, preferably,

the central tube 1 is of a cylindrical structure, and the support framework 2 is of a spiral structure and is arranged inside the solid body of the central tube 1 in a penetrating mode. This is the preferred structural form of the base pipe and the support frame of example 2 of the present invention, i.e. the support frame is a spiral structure and is located inside the solid structure of the base pipe, and the two are integrally formed by injection molding or casting.

The supporting structure in the carbon rod central tube can have a plurality of different structural forms, and the structure in any shape is adopted, so that the overall structural strength of the carbon rod is enhanced. Preferably, the spiral structure is formed integrally with the carbon rod and is wrapped in the carbon rod as shown in fig. 4; the carbon rod can be preferably in a barrel shape as shown in figure 2, and the barrel is densely provided with holes, so that the carbon rod can be supported, the water quality of the carbon rod can not be influenced, and the taste can be enhanced. Preferably, the support frame can be in other structural forms.

Preferably, the first and second electrodes are formed of a metal,

the filter core is characterized by further comprising a fine treatment filter core 3, wherein the fine treatment filter core 3 is a roll-up membrane, and the roll-up membrane is wound on the periphery of the central tube 1. The composite filter element is a preferable structure form, the roll-type membrane can be rolled on the central tube through the arrangement form of the roll-type membrane, the fine filtration effect on water is achieved, and the specific carbon rod structure can adsorb impurities and the like in water, so that the taste of the water can be improved. The carbon rod is arranged in the composite filter element, and the upper end and the lower end of the carbon rod are fixedly arranged in the clamping groove and are detachably arranged. After the carbon rod is used for a period of time, or the carbon rod can be replaced in time when the carbon rod goes wrong, and the carbon rod is convenient to disassemble and assemble.

Preferably, the first and second electrodes are formed of a metal,

the filter material that can allow the fluid to pass through includes: at least one of a carbon material, a polypropylene pp material and a ceramic material; and/or the fine treatment filter element 3 is a reverse osmosis membrane. The filter material is the preferred material of the filter material, can allow water to effectively pass through, can filter the water passing through the filter material, can form a primary filtering effect while realizing the supporting function of the central tube, overcomes the defect of volume increase caused by the increase of the number of filter element stages, reduces the volume and saves the cost.

Preferably, the first and second electrodes are formed of a metal,

the central tube 1 is of a cylindrical carbon rod structure made of the carbon material; or the central pipe 1 is in a cylindrical PP structure formed by the polypropylene PP material; or, the central tube 1 is a cylindrical ceramic tube structure made of the ceramic material. The filter material capable of allowing fluid to pass through can comprise: carbon rods, cylindrical polypropylene pp material filter materials, ceramic tubes and the like are preferably used for improving the taste of carbon as the material of the central tube of the roll-type membrane element, so that the plastic central tube used by the existing roll-type membrane can be abandoned, the use of the plastic central tube of the existing roll-type membrane element is avoided, and one membrane element can have two-stage filtering functions; the carbonaceous central tube is utilized, so that the subsequent reuse of the taste filter element can be avoided, and the membrane element integrates two-stage filtering functions of a fine filtering filter element and a rear taste filter element; the carbonaceous central tube does not have macroscopic macropore, and its surface is covered with structural micropore, compares in the visual macroporous central tube of traditional working of plastics, and roll-type diaphragm produced water is collected more easily. The PP cylindrical central tube can effectively remove various particle impurities in the filtered liquid, has a multilayer depth structure, large pollutant carrying capacity, large filtering flow, small pressure difference, no chemical adhesive, higher sanitation, higher safety, acid resistance, alkali resistance, organic solution and oil resistance, good chemical stability and integration of surface, deep layer and coarse and fine filtering; has the characteristics of large flow, corrosion resistance, high pressure resistance, low cost and the like. Used for blocking large granular substances such as rust, silt, worm eggs and the like in water. The ceramic tube-shape center tube can filter, antibiotic and activation treatment drinking water, harmful removal chlorine residue and suspended pollutant, organic chemical substance, colour and peculiar smell, can filter out the drinking water that reaches certain drinking standard through using this filter core.

Preferably, the first and second electrodes are formed of a metal,

the filter further comprises a first-stage pretreatment filter element 41 and a second-stage pretreatment filter element 42, wherein the first-stage pretreatment filter element 41 is arranged on the radial periphery of the second-stage pretreatment filter element 42;

the first-stage pretreatment filter element 41 is made of PP cotton, and the second-stage pretreatment filter element 42 is made of activated carbon; and/or the first-stage pretreatment filter element 41 is of a cylindrical structure, and the second-stage pretreatment filter element 42 is of a cylindrical structure; and/or the presence of a gas in the gas,

the device also comprises an ultrafiltration filter element 5 and at least one ultrafiltration filter element 5, wherein the ultrafiltration filter element 5 is arranged on the radial inner periphery of the central tube 1. The two-stage pretreatment filter element is respectively made of materials and has an optimal structure, large-particle impurities such as silt can be filtered out through the PP cotton, residual chlorine can be adsorbed by the activated carbon, and the cylindrical structure can be conveniently nested inside and outside. The preferred structure form of the post-filter element can perform effective sterilization and filtration on water through the ultrafiltration filter element, and the post-filter element is preferred.

According to the invention, the support framework and the carbon rod central tube are processed into the integrated filter element, the support framework directly strengthens the structural strength of the carbon rod, does not occupy actual space, simplifies the structure, enables the installation and maintenance to be simpler, and reduces the size of the whole filter element. In the manufacturing process of earlier stage filter media, can be with support and filter media material integrated into one piece, the higher filter media of final formation structural strength need not to be fixed in the filter media center tube portion with the mount in the assembling process of filter core, convenient assembly. The preferred support is a spiral support to enhance the strength of the filter material.

The carbon rod central tube is arranged in the composite filter element, water flows through the pump, the first stage pretreatment, the second stage pretreatment, the RO filter element, the rear carbon central tube, the rear ultrafiltration and the like, and when the strength of the carbon rod is insufficient, the carbon rod arranged in the support frame is adopted, so that the strength requirement of the carbon rod can be met. Therefore, the integrally formed carbon rod structure has wide application range and can be adopted.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention. The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A composite filter element assembly, comprising: the method comprises the following steps:

including center tube (1), center tube (1) is made for the material that can allow the fluid circulation, the week side of center tube (1) or the inside support chassis (2) that still is provided with of the entity of center tube (1), just center tube (1) with support chassis (2) integrated into one piece sets up.

2. The composite filter element assembly of claim 1, wherein:

3. The composite filter element assembly of claim 1 or 2, wherein:

the central tube (1) is of a cylindrical structure, and the supporting framework (2) is also of a cylindrical structure and is located between the inner wall and the outer wall of the central tube (1).

4. The composite filter element assembly of claim 3, wherein:

the supporting framework (2) is provided with at least one through hole (21) penetrating through the inner peripheral wall and the outer peripheral wall of the supporting framework.

5. The composite filter element assembly of claim 1 or 2, wherein:

the central tube (1) is of a cylindrical structure, and the support framework (2) is of a spiral structure and is arranged inside the solid body of the central tube (1) in a penetrating mode.

6. The composite filter element assembly according to any one of claims 1-5, wherein:

the filter core is characterized by further comprising a fine treatment filter core (3), wherein the fine treatment filter core (3) is a roll-type membrane, and the roll-type membrane is wound on the periphery of the central tube (1).

7. The composite filter element assembly of claim 6, wherein:

the filter material that can allow the fluid to pass through includes: at least one of a carbon material, a polypropylene pp material and a ceramic material; and/or the fine treatment filter element (3) is a reverse osmosis membrane.

8. The composite filter element assembly of claim 7, wherein:

the central tube (1) is of a cylindrical carbon rod structure consisting of the carbon material; or the central pipe (1) is of a cylindrical PP structure made of the polypropylene PP material; or the central tube (1) is a cylindrical ceramic tube structure made of the ceramic material.

9. The composite filter element assembly according to any one of claims 1-8, wherein:

the filter element also comprises a first-stage pretreatment filter element (41) and a second-stage pretreatment filter element (42), wherein the first-stage pretreatment filter element (41) is arranged at the radial periphery of the second-stage pretreatment filter element (42);

the first-stage pretreatment filter element (41) is made of PP cotton, and the second-stage pretreatment filter element (42) is made of activated carbon; and/or the first-stage pretreatment filter element (41) is of a cylindrical structure, and the second-stage pretreatment filter element (42) is of a cylindrical structure; and/or the presence of a gas in the gas,

still include ultrafiltration filter core (5), set up in the radial inner periphery of center tube (1), ultrafiltration filter core (5) are at least one.

10. A water purification system, its characterized in that: comprising the composite filter element assembly of any of claims 1-9.