CN113023957A - Remove microbial filter core and water filtering device - Google Patents
Remove microbial filter core and water filtering device Download PDFInfo
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- CN113023957A CN113023957A CN202110374548.2A CN202110374548A CN113023957A CN 113023957 A CN113023957 A CN 113023957A CN 202110374548 A CN202110374548 A CN 202110374548A CN 113023957 A CN113023957 A CN 113023957A
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- filter element
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 179
- 238000001914 filtration Methods 0.000 title claims abstract description 110
- 230000000813 microbial effect Effects 0.000 title claims description 10
- 239000000463 material Substances 0.000 claims abstract description 72
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 63
- 230000000845 anti-microbial effect Effects 0.000 claims abstract description 30
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052709 silver Inorganic materials 0.000 claims abstract description 27
- 239000004332 silver Substances 0.000 claims abstract description 27
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000003729 cation exchange resin Substances 0.000 claims abstract description 20
- 239000013078 crystal Substances 0.000 claims description 22
- 229910021607 Silver chloride Inorganic materials 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 4
- 244000005700 microbiome Species 0.000 abstract description 65
- 241000700605 Viruses Species 0.000 abstract description 32
- 241000894006 Bacteria Species 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 7
- 239000003651 drinking water Substances 0.000 description 18
- 235000020188 drinking water Nutrition 0.000 description 18
- 239000002245 particle Substances 0.000 description 17
- 238000009434 installation Methods 0.000 description 15
- 150000002500 ions Chemical class 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 241000228245 Aspergillus niger Species 0.000 description 6
- 241000222122 Candida albicans Species 0.000 description 6
- 150000001768 cations Chemical class 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 6
- 230000035622 drinking Effects 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 230000001717 pathogenic effect Effects 0.000 description 4
- 235000013162 Cocos nucifera Nutrition 0.000 description 3
- 244000060011 Cocos nucifera Species 0.000 description 3
- 241000588724 Escherichia coli Species 0.000 description 3
- 241000233866 Fungi Species 0.000 description 3
- 208000009889 Herpes Simplex Diseases 0.000 description 3
- 241001263478 Norovirus Species 0.000 description 3
- 241000714209 Norwalk virus Species 0.000 description 3
- 241000589517 Pseudomonas aeruginosa Species 0.000 description 3
- 241000191967 Staphylococcus aureus Species 0.000 description 3
- 241000191963 Staphylococcus epidermidis Species 0.000 description 3
- 241000193998 Streptococcus pneumoniae Species 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000002156 adsorbate Substances 0.000 description 3
- 230000003385 bacteriostatic effect Effects 0.000 description 3
- 238000009395 breeding Methods 0.000 description 3
- 230000001488 breeding effect Effects 0.000 description 3
- 229940095731 candida albicans Drugs 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000003670 easy-to-clean Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 210000002615 epidermis Anatomy 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 description 3
- 229940031000 streptococcus pneumoniae Drugs 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
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- 239000003337 fertilizer Substances 0.000 description 1
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- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
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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
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The application discloses remove filter core and water filtering device of microorganism, this filter core includes: the filter comprises a first-stage filter element, a second-stage filter element and a third-stage filter element, wherein the first-stage filter element, the second-stage filter element and the third-stage filter element are sequentially arranged according to a water flow direction; the first-stage filtering filter element is detachably connected with the second-stage filtering filter element, and the second-stage filtering filter element is detachably connected with the third-stage filtering filter element; the filter is characterized in that an activated carbon layer and a cation exchange resin layer are arranged in the first-stage filter element, a silver-containing antimicrobial filter material is arranged in the second-stage filter element, and a virus-removing filter material is arranged in the third-stage filter element. A water filtering device, which comprises the filter element for removing microorganisms. The method can effectively remove microorganisms including bacteria, viruses and the like in the cited water by adopting a three-stage filtration mode, wherein the removal rate can reach more than 99.99 percent.
Description
Technical Field
The application belongs to the technical field of drinking water purification, concretely relates to remove filter core and water filtering device of microorganism.
Background
With the development of industry, agriculture, society and economy and the continuous improvement of human material culture life, a large amount of industrial wastewater, agricultural irrigation, chemical fertilizer, pesticide and domestic sewage are discharged into natural water body environment, so that the urban drinking water source is increasingly polluted to become a micro-polluted water source. The presence of various organic contaminants, viruses and bacteria like microorganisms, especially in water sources, leads to a significant increase in the risk of disinfection by-products and pathogenic microbial hazards that may be produced in drinking water. Most urban water plants still adopt the traditional raw water-coagulation-precipitation-filtration-disinfection process, the process is mainly suitable for drinking water treatment of which the water source meets the three standards of surface water, and suspended matters, colloidal impurities and bacteria in water are mainly removed. However, as the components of various organic pollutants in the micro-polluted water source are increasingly complex and the concentration level gradually rises, the virus microbial pollution is aggravated except for the conventional bacteria microorganisms, the traditional drinking water treatment process has an unsatisfactory effect of removing the virus microorganisms with smaller volumes than the protozoa and the bacteria microorganisms, and the microbial safety of the discharged water cannot be guaranteed.
Disclosure of Invention
In view of the above-mentioned shortcomings or drawbacks of the prior art, the present disclosure provides a filter element for removing microorganisms and a water filtering device.
In order to solve the technical problem, the application is realized by the following technical scheme:
the application provides a remove microbial filter core includes: the filter comprises a first-stage filter element, a second-stage filter element and a third-stage filter element, wherein the first-stage filter element, the second-stage filter element and the third-stage filter element are sequentially arranged according to a water flow direction;
the first-stage filtering filter element is detachably connected with the second-stage filtering filter element, and the second-stage filtering filter element is detachably connected with the third-stage filtering filter element;
the filter is characterized in that an activated carbon layer and a cation exchange resin layer are arranged in the first-stage filter element, a silver-containing antimicrobial filter material is arranged in the second-stage filter element, and a virus-removing filter material is arranged in the third-stage filter element.
Further, foretell filter core that removes microorganism wherein, still includes the casing, the casing is equipped with inhalant canal and exhalant canal, first order filters the filter core setting and is in the casing.
Further, in the filter element for removing microorganisms, a first water storage cavity is further arranged in the shell, and the lowest point of the first water storage cavity is lower than the water outlet of the water outlet channel.
Further, in the above-mentioned filter element for removing microorganisms, at least two layers of the activated carbon layer and the cation exchange resin layer are alternately arranged.
Further, in the filter element for removing microorganisms, the silver-containing antimicrobial filter material comprises a filter material composed of alumina-titanium dioxide-silver chloride.
Further, the filter element for removing the microorganisms is characterized in that the silver-containing antimicrobial filter material is of a granular structure, and the grain size of the granular structure ranges from 1mm to 3 mm.
Further, in the filter element for removing microorganisms, the filter material for removing viruses comprises an electric crystal membrane.
Further, foretell filter core that removes microorganism, wherein, the water inlet department of second level filter core installs first filter screen, and/or, the delivery port of second level filter core still is equipped with the second filter screen.
Further, in the above filter element for removing microorganisms, the pore size of the first filter screen is smaller than the minimum size of the activated carbon in the activated carbon layer, and/or the pore size of the second filter screen is smaller than the minimum size of the silver-containing antimicrobial filter material.
Further, in the above filter element for removing microorganisms, the first filter screen or the second filter screen is made of stainless steel or PP cotton.
Further, foretell remove filter core of microorganism, wherein, still include with the holding chamber that the casing is connected, the holding intracavity is equipped with tertiary filtration filter core.
Further, in the filter element for removing microorganisms, the third-stage filter element further comprises a first mounting cover and a second mounting cover, and the virus-removing filter material is arranged between the first mounting cover and the second mounting cover.
Further, in the filter element for removing microorganisms, a groove is further formed in a position where the first mounting cover is in contact with the side wall of the accommodating cavity, and a sealing ring is arranged in the groove.
Further, foretell remove filter core of microorganism, wherein, the second installation lid with the hookup location department of holding chamber lateral wall still is equipped with the joint structure that matches each other.
Further, in the filter element for removing microorganisms, a second water storage cavity is further arranged in the second mounting cover, and the lowest point of the second water storage cavity is lower than the water outlet of the accommodating cavity.
The application also provides a water filtering device, which comprises the filter element for removing the microorganisms.
Compared with the prior art, the method has the following technical effects:
the method can effectively remove microorganisms including bacteria, viruses and the like in the drinking water by adopting a three-stage filtration mode, wherein the removal rate can reach more than 99.99 percent, so that the drinking water safety is ensured and the direct drinking purpose can be achieved; the removal rate of microorganisms by the existing microorganism removal filter core can only reach 99.9 percent;
the first-stage filtering filter element is used for removing solid particles, partial organic matters and the like, the second-stage filtering filter element is made of a filter material consisting of alumina-titanium dioxide-silver chloride and can be used for removing microorganisms, the third-stage filtering filter element is made of an electronic crystal membrane and can further remove viruses and the like, and finally the removal rate of the microorganisms can reach more than 99.9999%, wherein the removal rate of the viruses can reach more than 99.99%;
after the water storage device is used, part of water can be left in the water storage cavity, so that the first-stage filtering filter element cannot be excessively dried, and can still be in a good water treatment state under the condition of nonuse for a long time, and the water which is well treated is obtained when the water storage device is used every time;
first order filters the connection dismantled of filter core, second level filtration filter core and third level filtration filter core in this application, when needs are changed, need with trading partial filter core and needn't change above-mentioned all filter cores, has effectively saved use cost, has reduced unnecessary extravagant, has certain economic nature.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1: a perspective view of the filter cartridge for removing microorganisms of the present application;
FIG. 2: the cross-sectional view of the first embodiment of the filter element for removing microorganisms;
FIG. 3: the second embodiment of the filter element for removing microorganisms of the present application is a sectional view;
FIG. 4: the third embodiment of the filter element for removing microorganisms is a cross-sectional view.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Example one
As shown in fig. 1 and 2, in the present embodiment, a filter element for removing microorganisms includes: the water purifier comprises a first-stage filtering filter element 2, a second-stage filtering filter element 3 and a third-stage filtering filter element 5, wherein the first-stage filtering filter element 2, the second-stage filtering filter element 3 and the third-stage filtering filter element 5 are sequentially arranged according to the water flow direction;
the first-stage filtering filter element 2 is detachably connected with the second-stage filtering filter element 3, and the second-stage filtering filter element 3 is detachably connected with the third-stage filtering filter element 5;
an activated carbon layer and a cation exchange resin layer are arranged in the first-stage filtering filter element 2, a silver-containing antimicrobial filter material is arranged in the second-stage filtering filter element 3, and a virus-removing filter material is arranged in the third-stage filtering filter element 5.
In the embodiment, microorganisms including bacteria, viruses and the like in the drinking water can be effectively removed by adopting a three-stage filtration mode, wherein the removal rate can reach over 99.99 percent, the drinking water is ensured to be safe, and the purpose of direct drinking can be achieved; the removal rate of the existing microorganism removing filter element to the microorganism can only reach 99.9 percent.
Among them, the removable microorganisms of this embodiment include: bacteriostatic effects of a large number of bacteria (including escherichia coli, staphylococcus aureus (s.aureus), staphylococcus epidermidis (s.epidermis), streptococcus pneumoniae (s.pneumoniae), pseudomonas aeruginosa (p.aeruginosa)), Viruses (including herpes simplex, HIV, Nile virus (Nile virus), norovirus (Norwalk Viruses)), fungi (aspergillus niger (a.niger), candida albicans (c.albicans)), and microalgae.
This embodiment still includes casing 1, casing 1 is equipped with inhalant canal and exhalant canal, first order filter core 2 sets up in casing 1. Preferably, the first stage filtration cartridge 2 is nested within the housing 1.
A first water storage cavity is further arranged in the shell 1, and the lowest point of the first water storage cavity is lower than a water outlet of the water outlet channel. The first water storage cavity can provide a mounting position for mounting or clamping the first-stage filter element 2 except for storing part of water, and the first water storage cavity is of a groove-shaped structure.
Further preferably, the first water storage chamber is preferably of annular groove construction, i.e. disposed around the water outlet.
The lowest point of the first water storage cavity is lower than the water outlet of the water outlet channel, so that part of water is stored in the first water storage cavity, the first-stage filtering filter element 2 is not too dry, and the water can still be in a good water treatment state under the condition of nonuse for a long time, and the water which is well treated is obtained when the water treatment device is used for the application every time.
In this embodiment, the second stage filter cartridge 3 is preferably disposed below the housing 1, as shown in fig. 2.
Wherein the activated carbon layer and the cation exchange resin layer are provided with at least two layers in an alternate laying manner. The activated carbon is preferably coconut shell activated carbon, and the activated carbon can deodorize, remove color, remove partial organic matters, intercept solid particles and the like; the cation exchange resin can exchange certain active ion with certain ion in water when meeting water, namely, a displacement reaction is generated to remove soluble ion in water. The cation exchange resin has a powdery, spherical or fibrous structure.
Further, the delivery port of first order filter core 2 still is equipped with the third filter screen or follows below the water inlet department of second level filter core 3 set up first filter screen, third filter screen or first filter screen can be used to the interception under the prerequisite of guaranteeing rivers to pass through first order filters filter material (active carbon and cation exchange resin) in order to prevent that it from being washed down etc. by rivers.
In this embodiment, the silver-containing antimicrobial filter includes a filter comprised of alumina-titania-silver chloride. The silver-containing antimicrobial filter material is an existing material and can be obtained by commercial purchase and the like.
The above-described filter material composed of alumina-titania-silver chloride can be used for a long time, which may be 24 months or even longer, and has almost constant antimicrobial efficiency.
The filter material comprising alumina-titania-silver chloride can kill microorganisms only a few seconds after microbial cells contact the outer surface of the silver salt layer exposed by the silver-containing antimicrobial filter material.
Specifically, the silver-containing antimicrobial filter material is of a granular structure, and the particle size range of the granular structure is 1-3 mm.
Further preferably, the particle size of the granular structure may be 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2.0mm, 2.1mm, 2.2mm, 2.3mm, 2.4mm, 2.5mm, 2.6mm, 2.7mm, 2.8mm, or 2.9 mm. Wherein, when the particle diameter of the granular structure is smaller, the specific surface area is larger, and the removal effect on the microorganism is better. However, in order to prevent the granular structure from being washed away by the water flow, the minimum particle size range of the granular structure is smaller than the size of the second screen 4 provided at the outlet of the second stage filter cartridge 3 described below.
Further, the water inlet of the second-stage filter element 3 is provided with a first filter screen, and/or the water outlet of the second-stage filter element 3 is also provided with a second filter screen 4.
The aperture of the first filter screen is smaller than the minimum size of the activated carbon in the activated carbon layer/the cation filter material in the cation filter material layer, and/or the aperture of the second filter screen 4 is smaller than the minimum size of the silver-containing antimicrobial filter material.
The first filter screen or the second filter screen 4 or the third filter screen are made of stainless steel or PP cotton, wherein the first filter screen or the second filter screen 4 or the third filter screen is preferably made of a material which is easy to clean, convenient to replace, long in service life, not easy to rust and the like.
In this embodiment, the filter material for removing viruses includes an electronic crystal membrane. The crystal film is a filter material based on a glass fiber base layer and with positive charge mineral crystals attached to the surface; the filter has high filtering capacity, low pressure drop and larger specific surface area; the crystalline film also has active adsorption capability. The electric crystal film adsorbs organic, inorganic and pathogenic pollutants through electric charges, and the positive charges of the electric crystal film not only directly inhibit breeding of viruses, bacteria and the like, but also have the capacity of actively grabbing and superposing adsorption; when the harmful substances in water are close to the crystal film, they are actively adsorbed by it, and the adsorbed impurities become new outwards-expanded adsorbates through charge conduction action, so that the harmful substances in water are further filtered.
Further, as shown in fig. 1, the present embodiment further includes an accommodating chamber connected to the housing 1, and a third stage filter element 5 is disposed in the accommodating chamber. Wherein, the holding chamber can with casing 1 can dismantle the connection to realize operations such as the change of different filter cores.
Specifically, the third-stage filter element 5 further comprises a first mounting cover 6 and a second mounting cover 8, and the virus-removing filter material is arranged between the first mounting cover 6 and the second mounting cover 8. The first installation cover 6 and the second installation cover 8 are respectively provided with clamping grooves which are arranged in opposite directions, and the clamping grooves provide installation positions for installing the virus removing filter materials. The clamping grooves can be distributed in a ring shape or at a plurality of intervals.
The first mounting cover 6 and the position of the side wall contact of the accommodating cavity are also provided with a groove, a sealing ring 7 is arranged in the groove, and the sealing ring 7 further improves the sealing and waterproof effects.
In this embodiment, the second installation lid 8 with the hookup location department of holding chamber lateral wall still is equipped with the joint structure of mutual matching, is convenient for realize the sealed to this holding chamber through this joint structure, demolishs this joint structure and also can have the third level filter cartridge 5 to this holding intracavity to change operations such as.
The second mounting cover 8 is further provided with a second water storage cavity, the lowest point of the second water storage cavity is lower than the water outlet of the accommodating cavity, so that part of water can be stored in the second water storage cavity, the third-stage filtering filter element 5 cannot be too dry, and the water can still be in a good water treatment state under the condition of nonuse for a long time, and therefore the water which is well treated is obtained when the water treatment device is used for the application every time.
Wherein, still be equipped with the delivery port (not shown in the figure) in foretell holding chamber side, will water after the filtration of third level filter core 5 flows out from the delivery port that holding chamber side set up, so far, this embodiment has accomplished above-mentioned first level filtration, second level and third level and has filtered, makes the clearance of the microorganism in the drinking water can reach more than 99.9999% finally.
Of course, the water outlet 9 of the accommodating cavity can also be arranged on the second mounting cover 8.
The embodiment also provides a water filtering device which comprises the filter element for removing the microorganisms.
The above-mentioned water filtering device may be a water dispenser, a coffee maker, a water filtering kettle, a water filtering bucket, etc., and the above list is merely illustrative and does not limit the scope of protection of the present application.
Example two
As shown in fig. 3, in this embodiment, a filter element for removing microorganisms includes: the water purifier comprises a first-stage filtering filter element 2, a second-stage filtering filter element 3 and a third-stage filtering filter element 5, wherein the first-stage filtering filter element 2, the second-stage filtering filter element 3 and the third-stage filtering filter element 5 are sequentially arranged according to the water flow direction;
the first-stage filtering filter element 2 is detachably connected with the second-stage filtering filter element 3, and the second-stage filtering filter element 3 is detachably connected with the third-stage filtering filter element 5;
an activated carbon layer and a cation exchange resin layer are arranged in the first-stage filtering filter element 2, a silver-containing antimicrobial filter material is arranged in the second-stage filtering filter element 3, and a virus-removing filter material is arranged in the third-stage filtering filter element 5.
In the embodiment, microorganisms including bacteria, viruses and the like in the drinking water can be effectively removed by adopting a three-stage filtration mode, wherein the removal rate can reach over 99.99 percent, the drinking water is ensured to be safe, and the purpose of direct drinking can be achieved; the removal rate of the existing microorganism removing filter element to the microorganism can only reach 99.9 percent.
Among them, the removable microorganisms of this embodiment include: bacteriostatic effects of a large number of bacteria (including escherichia coli, staphylococcus aureus (s.aureus), staphylococcus epidermidis (s.epidermis), streptococcus pneumoniae (s.pneumoniae), pseudomonas aeruginosa (p.aeruginosa)), Viruses (including herpes simplex, HIV, Nile virus (Nile virus), norovirus (Norwalk Viruses)), fungi (aspergillus niger (a.niger), candida albicans (c.albicans)), and microalgae.
This embodiment still includes casing 1, casing 1 is equipped with inhalant canal and exhalant canal, first order filter core 2 sets up in casing 1. Preferably, the first stage filtration cartridge 2 is nested within the housing 1.
A first water storage cavity is further arranged in the shell 1, and the lowest point of the first water storage cavity is lower than a water outlet of the water outlet channel. The first water storage cavity can provide a mounting position for mounting or clamping the first-stage filter element 2 except for storing part of water, and the first water storage cavity is of a groove-shaped structure.
Further preferably, the first water storage chamber is preferably of annular groove construction, i.e. disposed around the water outlet.
The lowest point of the first water storage cavity is lower than the water outlet of the water outlet channel, so that part of water is stored in the first water storage cavity, the first-stage filtering filter element 2 is not too dry, and the water can still be in a good water treatment state under the condition of nonuse for a long time, and the water which is well treated is obtained when the water treatment device is used for the application every time.
In this embodiment, the second stage filter cartridge 3 is preferably disposed within the housing 1, as shown in fig. 3.
Wherein the activated carbon layer and the cation exchange resin layer are provided with at least two layers in an alternate laying manner. The activated carbon is preferably coconut shell activated carbon, and the activated carbon can deodorize, remove color, remove partial organic matters, intercept solid particles and the like; the cation exchange resin can exchange certain active ion with certain ion in water when meeting water, namely, a displacement reaction is generated to remove soluble ion in water. The cation exchange resin has a powdery, spherical or fibrous structure.
Further, the delivery port of first order filter core 2 still is equipped with the third filter screen or follows below the water inlet department of second level filter core 3 set up first filter screen, third filter screen or first filter screen can be used to the interception under the prerequisite of guaranteeing rivers to pass through first order filter material (active carbon and cation exchange resin) is in order to prevent that it from being washed down etc. by rivers. In this embodiment, the third filter screen and the first filter screen may be used alternatively.
In this embodiment, the silver-containing antimicrobial filter includes a filter comprised of alumina-titania-silver chloride. The silver-containing antimicrobial filter material is an existing material and can be obtained by commercial purchase and the like.
The above-described filter material composed of alumina-titania-silver chloride can be used for a long time, which may be 24 months or even longer, and has almost constant antimicrobial efficiency.
The filter material comprising alumina-titania-silver chloride can kill microorganisms only a few seconds after microbial cells contact the outer surface of the silver salt layer exposed by the silver-containing antimicrobial filter material.
Specifically, the silver-containing antimicrobial filter material is of a granular structure, and the particle size range of the granular structure is 1-3 mm.
Further preferably, the particle size of the granular structure may be 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2.0mm, 2.1mm, 2.2mm, 2.3mm, 2.4mm, 2.5mm, 2.6mm, 2.7mm, 2.8mm, or 2.9 mm. Wherein, when the particle diameter of the granular structure is smaller, the specific surface area is larger, and the removal effect on the microorganism is better. However, in order to prevent the granular structure from being washed away by the water flow, the minimum particle size range of the granular structure is smaller than the size of the second screen 4 provided at the outlet of the second stage filter cartridge 3 described below.
Further, the water inlet of the second-stage filter element 3 is provided with a first filter screen, and/or the water outlet of the second-stage filter element 3 is also provided with a second filter screen 4.
The aperture of the first filter screen is smaller than the minimum size of the activated carbon in the activated carbon layer/the cation filter material in the cation filter material layer, and/or the aperture of the second filter screen 4 is smaller than the minimum size of the silver-containing antimicrobial filter material.
The first filter screen or the second filter screen 4 or the third filter screen are made of stainless steel or PP cotton, wherein the first filter screen or the second filter screen 4 or the third filter screen is preferably made of a material which is easy to clean, convenient to replace, long in service life, not easy to rust and the like.
In this embodiment, the filter material for removing viruses includes an electronic crystal membrane. The crystal film is a filter material based on a glass fiber base layer and with positive charge mineral crystals attached to the surface; the filter has high filtering capacity, low pressure drop and larger specific surface area; the crystalline film also has active adsorption capability. The electric crystal film adsorbs organic, inorganic and pathogenic pollutants through electric charges, and the positive charges of the electric crystal film not only directly inhibit breeding of viruses, bacteria and the like, but also have the capacity of actively grabbing and superposing adsorption; when the harmful substances in water are close to the crystal film, they are actively adsorbed by it, and the adsorbed impurities become new outwards-expanded adsorbates through charge conduction action, so that the harmful substances in water are further filtered.
Further, as shown in fig. 3, the present embodiment further includes an accommodating chamber connected to the housing 1, and a third stage filter element 5 is disposed in the accommodating chamber. Wherein, the holding chamber can with casing 1 can dismantle the connection to realize operations such as the change of different filter cores.
Specifically, the third-stage filter element 5 further comprises a first mounting cover 6 and a second mounting cover 8, and the virus-removing filter material is arranged between the first mounting cover 6 and the second mounting cover 8. The first installation cover 6 and the second installation cover 8 are respectively provided with clamping grooves which are arranged in opposite directions, and the clamping grooves provide installation positions for installing the virus removing filter materials. The clamping grooves can be distributed in a ring shape or at a plurality of intervals.
The first mounting cover 6 and the position of the side wall contact of the accommodating cavity are also provided with a groove, a sealing ring 7 is arranged in the groove, and the sealing ring 7 further improves the sealing and waterproof effects.
In this embodiment, the second installation lid 8 with the hookup location department of holding chamber lateral wall still is equipped with the joint structure of mutual matching, is convenient for realize the sealed to this holding chamber through this joint structure, demolishs this joint structure and also can have the third level filter cartridge 5 to this holding intracavity to change operations such as.
The second mounting cover 8 is further provided with a second water storage cavity, the lowest point of the second water storage cavity is lower than the water outlet of the accommodating cavity, so that part of water can be stored in the second water storage cavity, the third-stage filtering filter element 5 cannot be too dry, and the water can still be in a good water treatment state under the condition of nonuse for a long time, and therefore the water which is well treated is obtained when the water treatment device is used for the application every time.
Wherein, still be equipped with the delivery port (not shown in the figure) in foretell holding chamber side, will water after the filtration of third level filter core 5 flows out from the delivery port that holding chamber side set up, so far, this embodiment has accomplished above-mentioned first level filtration, second level and third level and has filtered, makes the clearance of the microorganism in the drinking water can reach more than 99.9999% finally.
Of course, the water outlet 9 of the accommodating cavity can also be arranged on the second mounting cover 8.
The embodiment also provides a water filtering device which comprises the filter element for removing the microorganisms.
The above-mentioned water filtering device may be a water dispenser, a coffee maker, a water filtering kettle, a water filtering bucket, etc., and the above list is merely illustrative and does not limit the scope of protection of the present application.
EXAMPLE III
As shown in fig. 4, in this embodiment, a filter element for removing microorganisms includes: the water purifier comprises a first-stage filtering filter element 2, a second-stage filtering filter element 3 and a third-stage filtering filter element 5, wherein the first-stage filtering filter element 2, the second-stage filtering filter element 3 and the third-stage filtering filter element 5 are sequentially arranged according to the water flow direction;
the first-stage filtering filter element 2 is detachably connected with the second-stage filtering filter element 3, and the second-stage filtering filter element 3 is detachably connected with the third-stage filtering filter element 5;
an activated carbon layer and a cation exchange resin layer are arranged in the first-stage filtering filter element 2, a silver-containing antimicrobial filter material is arranged in the second-stage filtering filter element 3, and a virus-removing filter material is arranged in the third-stage filtering filter element 5.
In the embodiment, microorganisms including bacteria, viruses and the like in the drinking water can be effectively removed by adopting a three-stage filtration mode, wherein the removal rate can reach over 99.99 percent, the drinking water is ensured to be safe, and the purpose of direct drinking can be achieved; the removal rate of the existing microorganism removing filter element to the microorganism can only reach 99.9 percent.
Among them, the removable microorganisms of this embodiment include: bacteriostatic effects of a large number of bacteria (including escherichia coli, staphylococcus aureus (s.aureus), staphylococcus epidermidis (s.epidermis), streptococcus pneumoniae (s.pneumoniae), pseudomonas aeruginosa (p.aeruginosa)), Viruses (including herpes simplex, HIV, Nile virus (Nile virus), norovirus (Norwalk Viruses)), fungi (aspergillus niger (a.niger), candida albicans (c.albicans)), and microalgae.
This embodiment still includes casing 1, casing 1 is equipped with inhalant canal and exhalant canal, first order filter core 2 sets up in casing 1. Preferably, the first stage filtration cartridge 2 is nested within the housing 1.
A first water storage cavity is further arranged in the shell 1, and the lowest point of the first water storage cavity is lower than a water outlet of the water outlet channel. The first water storage cavity can provide a mounting position for mounting or clamping the first-stage filter element 2 except for storing part of water, and the first water storage cavity is of a groove-shaped structure.
Further preferably, the first water storage chamber is preferably of annular groove construction, i.e. disposed around the water outlet.
The lowest point of the first water storage cavity is lower than the water outlet of the water outlet channel, so that part of water is stored in the first water storage cavity, the first-stage filtering filter element 2 is not too dry, and the water can still be in a good water treatment state under the condition of nonuse for a long time, and the water which is well treated is obtained when the water treatment device is used for the application every time.
In this embodiment, the first stage filtering core 2, the second stage filtering core 3 and the third stage filtering core 5 are detachably connected in sequence, as shown in fig. 4.
Wherein the activated carbon layer and the cation exchange resin layer are provided with at least two layers in an alternate laying manner. The activated carbon is preferably coconut shell activated carbon, and the activated carbon can deodorize, remove color, remove partial organic matters, intercept solid particles and the like; the cation exchange resin can exchange certain active ion with certain ion in water when meeting water, namely, a displacement reaction is generated to remove soluble ion in water. The cation exchange resin has a powdery, spherical or fibrous structure.
Further, the delivery port of first order filter core 2 still is equipped with the third filter screen or follows below the water inlet department of second level filter core 3 set up first filter screen, third filter screen or first filter screen can be used to the interception under the prerequisite of guaranteeing rivers to pass through first order filter material (active carbon and cation exchange resin) is in order to prevent that it from being washed down etc. by rivers.
In this embodiment, the silver-containing antimicrobial filter includes a filter comprised of alumina-titania-silver chloride. The silver-containing antimicrobial filter material is an existing material and can be obtained by commercial purchase and the like.
The above-described filter material composed of alumina-titania-silver chloride can be used for a long time, which may be 24 months or even longer, and has almost constant antimicrobial efficiency.
The filter material comprising alumina-titania-silver chloride can kill microorganisms only a few seconds after microbial cells contact the outer surface of the silver salt layer exposed by the silver-containing antimicrobial filter material.
Specifically, the silver-containing antimicrobial filter material is of a granular structure, and the particle size range of the granular structure is 1-3 mm.
Further preferably, the particle size of the granular structure may be 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.7mm, 1.8mm, 1.9mm, 2.0mm, 2.1mm, 2.2mm, 2.3mm, 2.4mm, 2.5mm, 2.6mm, 2.7mm, 2.8mm, or 2.9 mm. Wherein, when the particle diameter of the granular structure is smaller, the specific surface area is larger, and the removal effect on the microorganism is better. However, in order to prevent the granular structure from being washed away by the water flow, the minimum particle size range of the granular structure is smaller than the size of the second screen 4 provided at the outlet of the second stage filter cartridge 3 described below.
Further, the water inlet of the second-stage filter element 3 is provided with a first filter screen, and/or the water outlet of the second-stage filter element 3 is also provided with a second filter screen 4.
The aperture of the first filter screen is smaller than the minimum size of the activated carbon in the activated carbon layer/the cation filter material in the cation filter material layer, and/or the aperture of the second filter screen 4 is smaller than the minimum size of the silver-containing antimicrobial filter material.
The first filter screen or the second filter screen 4 or the third filter screen are made of stainless steel or PP cotton, wherein the first filter screen or the second filter screen 4 or the third filter screen is preferably made of a material which is easy to clean, convenient to replace, long in service life, not easy to rust and the like.
In this embodiment, the filter material for removing viruses includes an electronic crystal membrane. The crystal film is a filter material based on a glass fiber base layer and with positive charge mineral crystals attached to the surface; the filter has high filtering capacity, low pressure drop and larger specific surface area; the crystalline film also has active adsorption capability. The electric crystal film adsorbs organic, inorganic and pathogenic pollutants through electric charges, and the positive charges of the electric crystal film not only directly inhibit breeding of viruses, bacteria and the like, but also have the capacity of actively grabbing and superposing adsorption; when the harmful substances in water are close to the crystal film, they are actively adsorbed by it, and the adsorbed impurities become new outwards-expanded adsorbates through charge conduction action, so that the harmful substances in water are further filtered.
Further, as shown in fig. 4, the present embodiment further includes an accommodating chamber connected to the housing 1, and a third stage filter element 5 is disposed in the accommodating chamber. Wherein, the holding chamber can with casing 1 can dismantle the connection to realize operations such as the change of different filter cores.
Specifically, the third stage filter element 5 further includes a first mounting cover and a second mounting cover (not shown in the figure), and the virus-removing filter material is disposed between the first mounting cover and the second mounting cover. The first installation cover and the second installation cover are respectively provided with clamping grooves which are arranged in opposite directions, and the clamping grooves provide installation positions for installing the virus removing filter materials. The clamping grooves can be distributed in a ring shape or at a plurality of intervals.
The first installation cover and the position of holding chamber lateral wall contact still are equipped with the recess, be equipped with the sealing washer in the recess, above-mentioned sealing washer further improves sealed and water-proof effects.
In this embodiment, the second installation lid with the hookup location department of holding chamber lateral wall still is equipped with the joint structure of mutual matching, is convenient for realize the sealed to this holding chamber through this joint structure, demolishs this joint structure and also can have the third level filter cartridge 5 to this holding intracavity to change operations such as.
The second installation lid still is equipped with the second retaining chamber, the minimum in second retaining chamber is less than the delivery port in holding chamber can make the storage of second retaining chamber is partial water to make third level filter core 5 can not too dry, can be under the condition of not using for a long time, still be in good water treatment state, thereby when guaranteeing to use this application at every turn, what obtain all is the water that is handled well.
Wherein, still be equipped with the delivery port (not shown in the figure) in foretell holding chamber side, will water after the filtration of third level filter core 5 flows out from the delivery port that holding chamber side set up, so far, this embodiment has accomplished above-mentioned first level filtration, second level and third level and has filtered, makes the clearance of the microorganism in the drinking water can reach more than 99.9999% finally.
Of course, the water outlet of the accommodating cavity can also be arranged on the second mounting cover.
The embodiment also provides a water filtering device which comprises the filter element for removing the microorganisms.
The above-mentioned water filtering device may be a water dispenser, a coffee maker, a water filtering kettle, a water filtering bucket, etc., and the above list is merely illustrative and does not limit the scope of protection of the present application.
The method can effectively remove microorganisms including bacteria, viruses and the like in the drinking water by adopting a three-stage filtration mode, wherein the removal rate can reach more than 99.99 percent, so that the drinking water safety is ensured and the direct drinking purpose can be achieved; the removal rate of microorganisms by the existing microorganism removal filter core can only reach 99.9 percent; the first-stage filtering filter element is used for removing solid particles, partial organic matters and the like, the second-stage filtering filter element is made of a filter material consisting of alumina-titanium dioxide-silver chloride and can be used for removing microorganisms, the third-stage filtering filter element is made of an electronic crystal membrane and can further remove viruses and the like, and finally the removal rate of the microorganisms can reach more than 99.9999%, wherein the removal rate of the viruses can reach more than 99.99%; after the water storage device is used, part of water can be left in the water storage cavity, so that the first-stage filtering filter element cannot be excessively dried, and can still be in a good water treatment state under the condition of nonuse for a long time, and the water which is well treated is obtained when the water storage device is used every time; first order filters the connection dismantled of filter core, second level filtration filter core and third level filtration filter core in this application, when needs are changed, need with trading partial filter core and needn't change above-mentioned all filter cores, has effectively saved use cost, has reduced unnecessary extravagant, has certain economic nature.
In the description of the present application, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The above embodiments are merely to illustrate the technical solutions of the present application and are not limitative, and the present application is described in detail with reference to preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made in the present invention without departing from the spirit and scope of the present invention and shall be covered by the appended claims.
Claims (16)
1. A microbial removal cartridge comprising: the filter comprises a first-stage filter element, a second-stage filter element and a third-stage filter element, wherein the first-stage filter element, the second-stage filter element and the third-stage filter element are sequentially arranged according to a water flow direction;
the first-stage filtering filter element is detachably connected with the second-stage filtering filter element, and the second-stage filtering filter element is detachably connected with the third-stage filtering filter element;
the filter is characterized in that an activated carbon layer and a cation exchange resin layer are arranged in the first-stage filter element, a silver-containing antimicrobial filter material is arranged in the second-stage filter element, and a virus-removing filter material is arranged in the third-stage filter element.
2. The microbe-removing filter cartridge of claim 1, further comprising a housing, the housing having a water inlet passage and a water outlet passage, the first stage filter cartridge being disposed within the housing.
3. The microbe-removing filter element of claim 2, wherein a first water storage cavity is further arranged in the shell, and the lowest point of the first water storage cavity is lower than the water outlet of the water outlet channel.
4. The microbe-removing filter element according to claim 1, wherein the activated carbon layer and the cation exchange resin layer are provided in at least two layers in an alternate manner.
5. The microbe-removing filter element of any one of claims 1 to 4, wherein the silver-containing antimicrobial filter material comprises a filter material consisting of alumina-titania-silver chloride.
6. The microbe-removing filter element of claim 5, wherein the silver-containing antimicrobial filter material is a granular structure, and the grain size of the granular structure is 1-3 mm.
7. The microbe-removing filter element of any one of claims 1 to 4, wherein the virus-removing filter material comprises a crystal membrane.
8. The microbe-removing filter element of claim 1, wherein the water inlet of the second stage filter element is provided with a first filter screen, and/or the water outlet of the second stage filter element is provided with a second filter screen.
9. The microbe-removing filter cartridge of claim 8, wherein the first screen has a pore size smaller than the smallest dimension of the activated carbon in the activated carbon layer and/or the second screen has a pore size smaller than the smallest dimension of the silver-containing antimicrobial filter material.
10. The microbe-removing filter cartridge of claim 8 or 9, wherein the first screen or the second screen is made of stainless steel or PP cotton.
11. The microbe-removing filter cartridge of claim 1, further comprising a housing chamber connected to the housing, wherein a third stage filter cartridge is disposed in the housing chamber.
12. The microbe-removing filter cartridge of claim 11, wherein the third stage filter cartridge further comprises a first mounting cover and a second mounting cover, and the virus-removing filter material is disposed between the first mounting cover and the second mounting cover.
13. The microbe-removing filter cartridge of claim 12, wherein a groove is further provided at a position where the first mounting cover contacts with the side wall of the containing chamber, and a sealing ring is provided in the groove.
14. The microbe-removing filter element of claim 12 or 13, wherein the connecting position of the second mounting cover and the side wall of the containing cavity is further provided with mutually matched clamping structures.
15. The microbe-removing filter element of claim 12 or 13, wherein a second water storage cavity is further arranged in the second mounting cover, and the lowest point of the second water storage cavity is lower than the water outlet of the accommodating cavity.
16. A water filtration device comprising a microbially cleaned filter element according to any one of claims 1 to 15.
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| CN202110374548.2A CN113023957A (en) | 2021-04-07 | 2021-04-07 | Remove microbial filter core and water filtering device |
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| CN202110374548.2A CN113023957A (en) | 2021-04-07 | 2021-04-07 | Remove microbial filter core and water filtering device |
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| CN113023957A true CN113023957A (en) | 2021-06-25 |
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