CN107298503A - A kind of porous terrine Domestic fluoride-removed water purifier and its manufacture method - Google Patents
A kind of porous terrine Domestic fluoride-removed water purifier and its manufacture method Download PDFInfo
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- CN107298503A CN107298503A CN201710551252.7A CN201710551252A CN107298503A CN 107298503 A CN107298503 A CN 107298503A CN 201710551252 A CN201710551252 A CN 201710551252A CN 107298503 A CN107298503 A CN 107298503A
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- 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
- C02F9/20—Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
- C04B38/0675—Vegetable refuse; Cellulosic materials, e.g. wood chips, cork, peat, paper
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
- C04B41/5041—Titanium oxide or titanates
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/87—Ceramics
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- 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
- C02F1/003—Processes for the treatment of water whereby the filtration technique is of importance using household-type filters for producing potable water, e.g. pitchers, bottles, faucet mounted devices
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- 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
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- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
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- 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
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- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/583—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing fluoride or fluorine compounds
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- 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
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
- C02F2101/14—Fluorine or fluorine-containing compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- 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
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- 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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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2307/00—Location of water treatment or water treatment device
- C02F2307/10—Location of water treatment or water treatment device as part of a potable water dispenser, e.g. for use in homes or offices
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
Abstract
The invention belongs to a kind of porous terrine Domestic fluoride-removed water purifier and its manufacture method of technical field of drinking water treatment.The Domestic fluoride-removed water purifier is sequentially connected and constituted from top to bottom by one, two, three processing system, wherein, coagulation system is the porous terrine fired by clay, deer natural pond soil, bentonite, rice husk, calcium oxide, and passes through silver-colored and rare earth modified nano titanium oxide in its surface spraying；Secondary treatment system is supported in the middle of spiral helicine NACF by PP cotton filter cores and constituted, and is connected below with plastic tube；The disk that tertiary treatment system is made up of medical stone；The water bacteria of this water purifier coagulation system filtering and content of fluoride can reach drinking water standard, and water purifier can realize the deep purifying of water, the fluorine especially gone in water removal, water outlet after processing contains various trace elements and mineral matter, it is beneficial to health, economical and practical, environment-friendly and green.
Description
Technical field
The invention belongs to technical field of drinking water treatment, more particularly to a kind of porous terrine Domestic fluoride-removed water purifier and its system
Make method.
Background technology
With society and expanding economy, the improvement of people's living standards, people are more next for the requirement of drinking water quality
Higher, fluorine is healthy closely related with people as one kind trace element widely distributed in skeleton and tooth, in human body
Fluorine element essentially from drinking water and feed, appropriate intake fluorine can promote bone growth and development, pre- anti-caries, but excessive
Intake fluorine can cause den tal fluorosis, and severe one can also make textured bone, and gradually disability, causes fluorosis of bone.
In China, North China and the Northwest's rainfall are rare, and illumination is strong, evaporation capacity hair, drought, in surface water and shallow-layer
Easy enrichment fluoride in underground water, and the vast rural area of China is with drinking-water of digging a well, drinks surface water and phreatic water
Occupy the majority.According to statistics, China has about five million peoples drinking high-fluorine water, therefore, and exploitation one kind can remove removing fluorine in water and other dirts
Contaminate composite family's water purifier of thing, improve people's quality of life, reduction endemic fluorosis incidence as in terms of environment friendly drinking water
Vital task.
On fluoride removing purifier, Chinese patent CN101544432A describes a kind of wide spectrum water purification installation, and the device can
To remove multiple pollutant, but its device is cumbersome, and Water treatment is slower, electric power is relied on during plant running, for one
A little rural areas not being powered, can not really realize the target of environment-friendly and green；Chinese patent CN1939842A describes one
Multifunctional household water purifier is planted, can be with a tractor serves several purposes, but the person of needing to use oneself adds aluminum oxide to remove in activation box
Fluorine in water, this inconvenient operation in actual use gets up also very tired for the user's popularization realized without water purification
It is difficult；Publication CN103693796B describes small rural fluorin-removing apparatus for drinking water, and the device utilizes modified oxygen using main
Change the fluorine that aluminium is gone in water removal, this method stable water outlet, but time of contact is long, price, regeneration trouble, has for drinking water
The problem of water outlet aluminium is exceeded is likely to result in, is not suitable for the actual conditions of rural area；Publication 102153365A describes one
Removal of the composite antibacterial far infrared medical stone porous ceramic ball to fluorine in water is planted, can realize that the purification of water is lived in use
Change, but Ceramic Balls can be compacted after longtime running by hydraulic pressure, be diminished with the contact area of raw water, cause its treatment effect to be deteriorated,
Processing speed is slack-off.
The content of the invention
It is an object of the invention to provide a kind of porous terrine Domestic fluoride-removed water purifier and its manufacture method, it is characterised in that
The Domestic fluoride-removed water purifier is sequentially connected and constituted from top to bottom by one, two, three processing system, and wherein coagulation system is
The porous terrine fired by clay, deer natural pond soil, bentonite, rice husk, calcium oxide；Secondary treatment system is propped up by PP cotton filter cores
Support is constituted in the middle of spiral helicine NACF, is connected below with plastic tube；Tertiary treatment system is made up of medical stone
Disk.
The clay, deer natural pond soil, bentonite, rice husk, the weight ratio of calcium oxide are (4~6):(2~3):(1~1.5)：(2
~2.5)：(1~2).
Deer natural pond soil and bentonite in the coagulation system have preferable removal effect to fluorine in water, and rice husk is as making
Hole agent, volatilizees in combustion, and calcium oxide is a kind of inorganic fungicide worked well；Porous terrine surface spraying is by silver
With rare earth modified nano titanium oxide, in the presence of device lid 1 and reflector 3, suspension in raw water can be effectively removed, thin
Bacterium, virus and part heavy metal；Device lid 1 is transparent device lid, and the modified nano-titanium dioxide that reflector 3 is porous terrine surface
Photo-catalyst effect provide illumination；
The harmful substances such as inorganic heavy metal, bacterium in the secondary treatment system primary attachment raw water, realize the depth of water
Degree processing, helical form NACF can save filtrate, improve filtering rate, and PP cotton filter cores also adsorb water to a certain extent
Middle harmful substance；
The tertiary treatment system can further adsorb the trace element and mineral in the microorganism in water, increase water
Matter, improves effluent quality.
A kind of manufacture method of above-mentioned porous terrine Domestic fluoride-removed water purifier, it is characterised in that comprise the following steps that：
(1) porous terrine is prepared：By clay, deer natural pond soil, bentonite, natural rice husk through drying, sieving, re-dry processing
Afterwards, it is (4~6) according to weight ratio:(2~3):(1~1.5)：(2~2.5)：The ratio and deionized water of (1~2) are mixed
Into pureed, after pressing mold, natural drying, it is positioned in Muffle furnace and fires, is incubated, obtain the porous terrine of good defluorination effect；
(2) nano titanium oxide that porous terrine surface spraying is modified：With nano titanium oxide, silver nitrate, 2- propyl alcohol, nitre
Sour cerium solution is the nano titanium oxide dispersion that raw material prepares silver-cerium codope, is sprayed the dispersion liquid prepared with spray gun
Porous terrine surface is applied to, is placed in drying in baking oven, forms coagulation system；
(3) PP cotton filter cores are supported in the middle of spiral helicine NACF, and spiral helicine NACF is outer
Footpath is contacted with fluoride removing purifier inwall, constitutes secondary treatment system, and PP cotton filter cores lower end is connected with plastic tube, upper end and porous pottery
Disk is connected；The tertiary treatment system that the connection of plastic tube lower end is made up of medical stone disk；
(4) tap is installed on the wall of the fluoride removing purifier between medical stone disk and fluoride removing purifier device bottom, it is complete
Into the manufacture of porous terrine Domestic fluoride-removed water purifier.
Dry, sieve described in step (1), re-dry is processed as drying 1 hour in 80 DEG C of baking ovens, being ground in ball mill
Broken, rice husk crosses 40 mesh sieves, and clay crosses 80 mesh sieves, and bentonite and deer natural pond soil cross 100 mesh sieves, the above-mentioned soil after sieve is put into baking oven
Dried 10 hours in 80 DEG C of baking ovens.
Deionized water is binding agent described in step (1).
The programming rate that Muffle furnace described in step (1) is fired is 2 DEG C/min, and temperature rises to 1000 DEG C, total firing time
For 500 minutes, 1-2 hours are incubated at 1000 DEG C.
Spray gun spraying distance described in step (2) is 50cm, and spray time is 15 seconds, and oven for drying temperature is 40 DEG C.
The preparation of the nano titanium oxide dispersion of silver-cerium codope described in step (2) is：Take nano titanium oxide with
Silver nitrate, the mixing of 2- propyl alcohol, and be dissolved into 500mL deionized water, quartz container magnetic agitation 1h is placed in, while using 125W
High-pressure sodium lamp, which is irradiated in black box at 1h, dark, stands 6h, then adds the cerous nitrate solution that mass fraction is 0.6%, is put into
Reacted in reactor, after washing, drying, obtain the composite mixed nano titanium dioxide powder of silver-rare earth, by obtained powder point
Dissipate in titanium oxide dispersion, ultrasonic echography 1 hour, magnetic agitation 1 hour, obtain modified nano titanium oxide and disperse
Liquid.
The mass fraction of the nano titanium oxide is 2-3%, and silver is 0.5- relative to the mass fraction of titanium dioxide
2%, cerium is 0.5-1.5% relative to the mass fraction of titanium dioxide.
Reaction temperature in the reactor is 180-200 DEG C, 24 hours reaction time.
Beneficial effects of the present invention are：The water bacteria filtered by this water purifier coagulation system and content of fluoride energy
Reach drinking water standard；This water purifier can realize the deep purifying of water, the fluorine especially gone in water removal, increase water quality, after processing
Water outlet contain various trace elements and mineral matter, be beneficial to health；Stable water outlet, easy to operate, technique is simple, economical
Material benefit, environment-friendly and green.
Brief description of the drawings
Fig. 1 is a kind of porous terrine Domestic fluoride-removed water purifier schematic diagram.
Main Reference Numerals explanation：
The wall of 1 device lid 2
The coagulation system of 3 PVC reflectors 4-porous terrine
The 5 secondary filtration systems-PP cotton filter cores of NACF 6
The tap of 7 three-level filter systems-natural medical stone 8
9 device bottoms
Embodiment
The invention provides a kind of porous terrine Domestic fluoride-removed water purifier and its manufacture method, below in conjunction with the accompanying drawings and implement
The present invention is described further for example.
Porous terrine Domestic fluoride-removed water purifier as shown in Figure 1.External structure is by device lid 1, wall 2, tap 8, device bottom 9
Composition；Internal structure is sequentially connected and constituted from top to bottom by one, two, three processing system, wherein, PVC reflectors 3 and porous pottery
Disk 4 constitutes coagulation system, and PVC reflectors 3 are made for the photo-catalyst of the modified nano-titanium dioxide on the porous surface of terrine 4
With offer illumination；NACF 5 and PP cotton filter cores 6 constitute secondary treatment system, and PP cotton filter cores 6 are supported on spiral helicine activity
In the middle of Carbon fibe 5, plastic tube is connected with below；Natural medical stone 7 is tertiary treatment system, and tap 8 is arranged on natural wheat meal
On wall between stone 7 and device bottom 9；Water is flowed into through device caping end, through one, two, three processing system fluorine-filtering, from tap
Outflow.
Embodiment 1
A kind of porous terrine of fluorine removal, is specifically constituted from following material：Soil, deer natural pond soil, bentonite, natural rice husk are at 80 DEG C
Dry 1 hour, ground in ball mill, rice husk crosses 60 mesh sieves, clay crosses 60 mesh sieves, and bentonite crosses 80 mesh sieves, deer natural pond in baking oven
Soil crosses 100 mesh sieves, and the above-mentioned soil after sieve is put into baking oven in 80 DEG C of baking ovens and dried 10 hours, with clay：Deer natural pond soil：Swelling
Soil：Rice husk：Calcium oxide weight ratio=6:2:1:2:1 mixes, and using deionized water is binding agent mixture during this
Stir into pureed；The mixture being stirred is put into mould, surface is handled with molding press pressing mold, roller, makes its surface smooth, root
According to temperature conditions, indoors or open-air seasoning 7-12 days；Finally by the porous pottery sample being completely dried be put into Muffle furnace fire,
Isothermal holding, obtains the porous terrine of good defluorination effect；The nano-silica for the silver-colored cerium codope being modified to its surface spraying
Change titanium, the wherein mass fraction of nano titanium oxide is 3%, and silver is 2%, cerium phase relative to the mass fraction of nano titanium oxide
Mass fraction for nano titanium oxide is 0.5%, constitutes coagulation system；
Two, tertiary treatment system is sequentially connected from top to down, and tap is installed below tertiary treatment system；Pass through the above
The water bacteria of fluoride removing purifier coagulation system filtering prepared by embodiment and content of fluoride can reach drinking water standard, whole
Fluoride, arsenic, TOC, bacterial number are satisfied by potable water guidelines in the water outlet of individual fluoride removing purifier.
Embodiment 2
A kind of porous terrine of fluorine removal, is specifically constituted from following material：Soil, deer natural pond soil, bentonite, natural rice husk are at 80 DEG C
Dry 1 hour, ground in ball mill, rice husk crosses 80 mesh sieves, clay crosses 80 mesh sieves, and bentonite crosses 80 mesh sieves, deer natural pond in baking oven
Soil crosses 100 mesh sieves, and the above-mentioned soil after sieve is put into baking oven in 80 DEG C of baking ovens and dried 10 hours, with clay：Deer natural pond soil：Swelling
Soil：Rice husk：Calcium oxide weight ratio=4:3:1:2.5:2 to mix during this using deionized water be binding agent mixture
Stir into pureed；The mixture being stirred is put into mould, surface is handled with molding press pressing mold, roller, makes its surface smooth, root
According to temperature conditions, indoors or open-air seasoning 7-12 days；Finally by the porous pottery sample being completely dried be put into Muffle furnace fire,
Isothermal holding, obtains the porous terrine of good defluorination effect；The nano-silica for the silver-colored cerium codope being modified to its surface spraying
Change titanium, the wherein mass fraction of nano titanium oxide is 2.5%, and silver is 0.5% relative to the mass fraction of nano titanium oxide,
Cerium is 1.5% relative to the mass fraction of nano titanium oxide, constitutes coagulation system；
Two, tertiary treatment system is sequentially connected from top to down, and tap is installed below tertiary treatment system；Pass through the above
The water bacteria of fluoride removing purifier coagulation system filtering prepared by embodiment and content of fluoride can reach drinking water standard, whole
Fluoride, arsenic, TOC, bacterial number are satisfied by potable water guidelines in the water outlet of individual fluoride removing purifier.
Embodiment 3
A kind of porous terrine of fluorine removal, is specifically constituted from following material：Soil, deer natural pond soil, bentonite, natural rice husk are at 80 DEG C
Dry 1 hour, ground in ball mill, rice husk crosses 80 mesh sieves, clay crosses 80 mesh sieves, and bentonite crosses 80 mesh sieves, deer natural pond in baking oven
Soil crosses 100 mesh sieves, and the above-mentioned soil after sieve is put into baking oven in 80 DEG C of baking ovens and dried 10 hours, with clay：Deer natural pond soil：Swelling
Soil：Rice husk：Calcium oxide weight ratio=4:2:1.5:2:2 mix, by binding agent of deionized water mixing during this
Thing stirs into pureed；The mixture being stirred is put into mould, surface is handled with molding press pressing mold, roller, makes its surface smooth,
According to temperature conditions, indoors or open-air seasoning 7-12 days；Finally the porous pottery sample being completely dried is put into Muffle furnace and burnt
System, isothermal holding, obtain the porous terrine of good defluorination effect；The nanometer two for the silver-colored cerium codope being modified to its surface spraying
The mass fraction of titanium oxide, wherein nano titanium oxide is 2%, and silver-colored cerium is relative to the mass fraction of nano titanium oxide
0.5%, constitute coagulation system；
Two, tertiary treatment system is sequentially connected from top to down, and tap is installed below tertiary treatment system；Pass through the above
The water bacteria of fluoride removing purifier coagulation system filtering prepared by embodiment and content of fluoride can reach drinking water standard, whole
Fluoride, arsenic, TOC, bacterial number are satisfied by potable water guidelines in the water outlet of individual fluoride removing purifier.
Claims (10)
1. a kind of porous terrine Domestic fluoride-removed water purifier, it is characterised in that the Domestic fluoride-removed water purifier is by one, two, three
Reason system is sequentially connected composition from top to bottom, and wherein coagulation system is by clay, deer natural pond soil, bentonite, rice husk, calcium oxide
The porous terrine fired；Secondary treatment system is supported in the middle of spiral helicine NACF by PP cotton filter cores and constituted,
It is connected below with plastic tube；The disk that tertiary treatment system is made up of medical stone.
2. porous terrine Domestic fluoride-removed water purifier according to claim 1, it is characterised in that the clay, deer natural pond are native, swollen
It is (4~6) to moisten soil, rice husk, the weight ratio of calcium oxide:(2~3):(1~1.5)：(2~2.5)：(1~2).
3. the manufacture method of porous terrine Domestic fluoride-removed water purifier described in a kind of claim 1, it is characterised in that specific steps are such as
Under：
(1) porous terrine is prepared：By clay, deer natural pond soil, bentonite, natural rice husk after drying, sieving, re-dry processing, press
It is (4~6) according to weight ratio:(2~3):(1~1.5)：(2~2.5)：The ratio and deionized water of (1~2) are mixed into mud
Shape, after pressing mold, natural drying, is positioned in Muffle furnace and fires, is incubated, obtain the porous terrine of good defluorination effect；
(2) nano titanium oxide that porous terrine surface spraying is modified：With nano titanium oxide, silver nitrate, 2- propyl alcohol, cerous nitrate
Solution is the nano titanium oxide dispersion that raw material prepares silver-cerium codope, is sprayed at the dispersion liquid prepared with spray gun
Porous terrine surface, is placed in drying in baking oven, forms coagulation system；
(3) PP cotton filter cores are supported in the middle of spiral helicine NACF, and the external diameter of spiral helicine NACF with
Fluoride removing purifier inwall is contacted, and constitutes secondary treatment system, and PP cotton filter cores lower end is connected with plastic tube, and upper end connects with porous terrine
Connect；The tertiary treatment system that the connection of plastic tube lower end is made up of medical stone disk；
(4) tap is installed on the wall of the fluoride removing purifier between medical stone disk and fluoride removing purifier device bottom, completed
The manufacture of porous terrine Domestic fluoride-removed water purifier.
4. the manufacture method of porous terrine Domestic fluoride-removed water purifier according to claim 3, it is characterised in that step (1)
Described in dry, sieving, re-dry be processed as in 80 DEG C of baking ovens dry 1 hour, ground in ball mill, rice husk crosses 40 mesh
Sieve, clay crosses 80 mesh sieves, and bentonite and deer natural pond soil cross 100 mesh sieves, the above-mentioned soil after sieve is put into baking oven in 80 DEG C of baking ovens and done
Dry 10 hours.
5. the manufacture method of porous terrine Domestic fluoride-removed water purifier according to claim 3, it is characterised in that step (1)
Described in deionized water be binding agent.
6. the manufacture method of porous terrine Domestic fluoride-removed water purifier according to claim 3, it is characterised in that step (1)
Described in the programming rate fired of Muffle furnace be 2 DEG C/min, temperature rises to 1000 DEG C, and total firing time is 500 minutes, 1000
DEG C insulation 1-2 hours.
7. the manufacture method of porous terrine Domestic fluoride-removed water purifier according to claim 3, it is characterised in that step (2)
Described in spray gun spraying distance be 50cm, spray time be 15 seconds, oven for drying temperature be 40 DEG C.
8. the manufacture method of porous terrine Domestic fluoride-removed water purifier according to claim 3, it is characterised in that step (2)
Described in the preparation of nano titanium oxide dispersion of silver-cerium codope be：Nano titanium oxide is taken to be mixed with silver nitrate, 2- propyl alcohol
Close, and be dissolved into 500mL deionized water, quartz container magnetic agitation 1h is placed in, while with 125W high-pressure sodium lamps in black box
6h is stood at middle irradiation 1h, dark, the cerous nitrate solution that mass fraction is 0.6% is then added, is put into reactor and reacts, warp
After washing, drying, the composite mixed nano titanium dioxide powder of silver-rare earth is obtained, obtained powder is scattered in titanium dioxide point
In dispersion liquid, ultrasonic echography 1 hour, magnetic agitation 1 hour obtains modified nano titanium oxide dispersion.
9. the manufacture method of porous terrine Domestic fluoride-removed water purifier according to claim 8, it is characterised in that the nanometer
The mass fraction of titanium dioxide is 2-3%, and silver is 0.5-2% relative to the mass fraction of titanium dioxide, and cerium is relative to titanium dioxide
The mass fraction of titanium is 0.5-1.5%.
10. the manufacture method of porous terrine Domestic fluoride-removed water purifier according to claim 8, it is characterised in that described anti-
It is 180-200 DEG C, 24 hours reaction time to answer the reaction temperature in kettle.
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| CN112707555A (en) * | 2020-12-07 | 2021-04-27 | 北京师范大学 | Multistage series filtration system composed of porous ceramic filters and preparation method |
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