CN106552459A - A kind of composite filter element of containing diatomite and starch and preparation method thereof - Google Patents
A kind of composite filter element of containing diatomite and starch and preparation method thereof Download PDFInfo
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- CN106552459A CN106552459A CN201611057522.0A CN201611057522A CN106552459A CN 106552459 A CN106552459 A CN 106552459A CN 201611057522 A CN201611057522 A CN 201611057522A CN 106552459 A CN106552459 A CN 106552459A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
- B01J20/08—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04 comprising aluminium oxide or hydroxide; comprising bauxite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/12—Naturally occurring clays or bleaching earth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/14—Diatomaceous earth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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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
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/08—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding porous substances
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4806—Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
- B01J2220/4825—Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton
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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
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- 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
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
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- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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Abstract
The invention discloses composite filter element of a kind of containing diatomite and starch and preparation method thereof, solves ceramic element due to having very different capture rate to foul gass, it is impossible to by the problem of preferable processes composition more complicated stench, its drip irrigation device is：The composite filter element of a kind of containing diatomite and starch, the filter element are composed of the following components, modification infusorial earth, mixing starch, cellulose acetate, molecular screen primary powder, aluminium oxide, montmorillonite, flocculant, have reached the effect for removing the stench in water.
Description
Technical field
The present invention relates to composite filter element of filter element field, more particularly to a kind of containing diatomite and starch and preparation method thereof.
Background technology
Water, as Source of life, is necessary during we live, and with growth in the living standard, we are to Living water
More and more higher is required, but due to industrial fast development and the Devoting Major Efforts To Developing of mining industry, whole nation major part earth's surface source quality is in
The trend for constantly deteriorating.Filter would generally be installed in the lower section of present Household water tap, can effectively intercept antibacterial and suction
The Organic substance that remains in attached water, heavy metal ion, improve the quality and mouthfeel of drinking water, and it are necessary micro to remain human body
Element.Currently there are two big class tap water-purifying filter filter element：Hollow fiber membrane cartridge and ceramic membrane filter core.Hollow fibre
Although dimension membrane cartridge water purification flux is high, low production cost, hollow-fibre membrane increased with the time, and organic moiety dissolving can cause
Filter opening aperture is gradually increased, and causes filter effect to reduce；Simultaneously hollow fiber cartridge cannot solve antibacterial grow in filter element and
Cause the secondary pollution problem of drinking water.Compared with hollow fiber membrane cartridge, ceramic membrane filter core aperture size is stable, will not be because of length
Phase is increased using the diameter for causing filter opening；Therefore, ceramic element conduct preferably is mounted in below faucet.
The primary raw material of production ceramic element is kieselguhr, is produced because of its distinctive biological nano size microstructure
High-strength absorption property becomes one of preferred material of main flow ceramic element.Kieselguhr is made up of diatom remains, and main component is two
Silicon oxide (mass percent accounts for 80～95%), remaining composition are mainly aluminium oxide.Kieselguhr has substantial amounts of natural orderly row
The nanoporous structure of row, aperture size is between 80～200nm, so that kieselguhr has excellent filtration and energy of adsorption
Power, but the mechanical strength of ceramic element and bacteriostasis are far below hollow fiber membrane cartridge.
A kind of system containing kieselguhr and the composite ceramic filter core of charcoal of the disclosure of the invention of Publication No. CN101920140A
Preparation Method, and the slurry of injection forming is prepared by the way of first dispersion, rear partial flocculation, make raw material and hole height in base substrate
Degree is uniformly dispersed, so that not higher than 950 DEG C of sintering temperature, the natural micropore in kieselguhr will not be made to collapse because of high temperature sintering
Collapse.
The disclosure of the invention of Publication No. CN103382096A a kind of Anti-microbial ceramic filter core and preparation method, by following weight
The raw material of part is prepared from：Volcanic rock powder 10-15, aluminium oxide 50-60, vermiculite power 10-15, modified kaolin 10-20, nanometer silver
5-6, nano-manganese dioxide 4-6, liquid paraffin 2-5, sodium tripolyphosphate 1-2, bagasse powder 3-5, ammonium hydrogen carbonate 1-3, wheat flour
10-15, styrene-acrylic emulsion 2-4, high temperature resistant, pressure, anti-corrosion effects be good, porosity is up to have the filter element of firing
60%-70%, with bactericidal action, the liquid for filtering out is more healthy.
However, drinking water source pollutant are in addition to insoluble impuritiess, antibacterial and virus, Organic substance, heavy metal ion,
Also because of spoil decomposition, the volatilization dissolving of Organic substance physics, the soluble detrimental gas dissolving of extraneous air part, bleaching powder drift
White to remain the water body stench phenomenon for causing afterwards, ceramic element removes the method for water body stench to be inhaled by the porous on its surface
It is attached, malodor molecule is retained on porous media, but ceramic element has very different capture rate to foul gass, it is impossible to
Preferable processes composition more complicated stench, process of the ceramic element to the stench in water are always into a difficulty not being solved
Point.
The content of the invention
First purpose of the present invention is to provide the composite filter element of a kind of containing diatomite and starch, can remove in water into
Divide complex stench.
The present invention above-mentioned technical purpose technical scheme is that：
The composite filter element of a kind of containing diatomite and starch, the filter element are composed of the following components, the quality of each component and each component
Number is：60～80 parts of modification infusorial earth, 15～20 parts of mixing starch, 10～15 parts of cellulose acetate, molecular screen primary powder 6～8
Part, 1～2 part of aluminium oxide, 5～8 parts of montmorillonite.
By adopting above-mentioned technical proposal, it is anti-by de- steady flocculation, physical absorption, precipitation as kieselguhr processes water body
The synergism of multiple processes should be waited, surface is negatively charged cannot to make colloidal solid de- steady, affect physics during water body purification
Multiple processes such as absorption, precipitation, affect the effect of water body purification, by modified, can make kieselguhr surface with difference
Group, makes the impurity ranges of available kieselguhr purification in water body wider；Starch has as a kind of novel absorption material, surface
Loose structure, mixing starch is due to the difference in its aperture, therefore has adsorptivity to substantial amounts of nuisance in water body, can adsorb
Harmful substance and the most of stench being dissolved in water in water body；Cellulose acetate is used as a kind of modified natural high polymer, tool
Have as porous film material, selection transmitance is good, and permeability rate is good, can increase the hydrophilic of filter element, can simultaneously serve as one kind
Cellulose skeleton, increases the mechanical strength of filter element；Molecular screen primary powder has the uniform microcellular structure of hole diameter, and to pole
Property molecule and unsaturated molecule there is Preferential adsorption ability, it is ion-exchangeable, reach the purpose of harmful ion in purified water；
Aluminium oxide can reduce the fluorinated volume in water as a kind of defluorinating agent；Montmorillonite has the effect for strengthening ceramic element skeleton, can carry
Rise the mechanical strength of filter element.
Preferably, the mixing starch is 0.6～0.7nm's by the macropore starch and aperture that aperture is 0.5～1.5 μm
Micropore starch is constituted, and its mixing quality ratio is macropore starch：Micropore starch=50～70:1.
By adopting above-mentioned technical proposal, in water in addition to soluble impurity ion, insoluble impuritiess, also part is molten
Mephitis in Xie Shui, the molecular weight of these foul smell are low, and chemism is higher, it is necessary to which adsorbent has smaller hole diameter,
Mixed with micropore starch from macropore starch, soluble impurity ion and insoluble impuritiess in macropore starch adsorption water etc. have
Evil composition while, micropore starch is very little due to its porosity, with absorption water in mephitis the characteristics of.
Preferably, the flocculant is aluminum sulfate modified alta-mud.
By adopting above-mentioned technical proposal, aluminum sulfate inherently flocculant, but the pH models adapted to by its flocculating effect
Limit is with, and flocculation rate is slow, and bentonite has no flocculation, by aluminum sulfate modified alta-mud, can expand the flocculation
The pH scopes that agent is suitable for, simultaneously because the features such as bentonite has dilatancy, adsorptivity, big specific surface area, can make aluminum sulfate
Flocculation rate accelerate, flco is big, and sedimentation velocity is fast.
Second object of the present invention is to provide a kind of preparation method of the composite filter element of containing diatomite and starch, Ke Yi
The complex stench of composition in water is removed, the mechanical strength of filter element is lifted.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of preparation method of the composite filter element of containing diatomite and starch, comprises the steps：
(1) by 60～80 parts of modification infusorial earth, 15～20 parts of mixing starch, 10～15 parts of cellulose acetate, molecular screen primary powder 6～
8 parts, 1～2 part of aluminium oxide, 5～8 parts of montmorillonite, carry out dry powder mixed at high speed in being added to homogenizer；
(2) in dry powder obtained by step (1), the mass fraction that each component and each component add altogether is added to be binding agent 3 by several times
～5 parts, 2～3 parts of emulsifying agent, 1～3 part of flocculant and account for the added dispensing of step (1) gross weight 0.7～0.9 water, high-speed stirring
Mix, form half dry powder；
(3) half dry powder obtained by step (2) is crossed into 10 mesh sieves and obtains half dry powder particle；
(4) by half dry powder particle obtained by step (3) fill to mould half it is dry-pressing formed after obtain filter element green compact；
(5) gained filter element green compact in step (4) are burnt till for 1000 DEG C～1100 DEG C in firing, obtains filter element crude green body；
(6) filter element crude green body in step (5) is obtained into filter element finished product through polishing.
Dry-pressing formed filter element is much smaller than by adopting above-mentioned technical proposal, half dry-pressing formed filter element desirable pressure, can
To reduce energy resource consumption；And in the filter element using dry-pressing formed compacting, after pressure is removed, air automatic expansion in filter element is easily produced
Raw crack, half dry-pressing formed filter element are little due to desirable pressure, and air automatic expansion rate is low, and the probability for producing crack is also remote little
In dry-pressing formed, the yield rate of filter element can be improved；Half dry powder that half dry powder obtained with above-mentioned steps is obtained after crossing 10 mesh sieves
Granule is identical with mist projection granulating, it is possible to reduce the step of mist projection granulating, saves cost of labor and equipment cost.
Preferably, the binding agent is composed of the following components, the mixing quality ratio of each component and each component is Radix Cinnamomi porrecti
Oil：Dehydrated alcohol=0.8～1.4：1.
By adopting above-mentioned technical proposal, original can be lifted in stirring with binding agent of the Radix Cinnamomi porrecti oil with dehydrated alcohol proportioning
The mobility of material dry powder, makes raw material dry powder fully mix, is not easy floating powder, tomography, crack etc. occur during dry-pressing formed
Problem, in ceramic element sintering procedure, temperature is raised, and dehydrated alcohol is volatilized with Radix Cinnamomi porrecti oil, will not be remained in filter element.
Preferably, the emulsifying agent is emulsified wax.
After by adopting above-mentioned technical proposal, emulsified wax and mixing with raw material, the mobility of powder can be increased, reduce dry
Caused by during pressure, base substrate stress is irregular, cracking situation, reduces percent defective, while emulsified wax has lubricity, Ke Yizeng
Plus the surface smoothness of the base substrate demoulding, it is conveniently stripped, reduce the damage to mould.
Preferably, half dry-pressing formed pressuring method is Bidirectional-pressure in the step (4), moulding pressure is 23MPa
～34MPa.
By adopting above-mentioned technical proposal, by Bidirectional-pressure, stress of the filter element green compact in mould can be made more equal
It is even, be not likely to produce crack, Stress control in 23MPa～34MPa, will not due to pressure it is too small and cannot molding, also will not be due to
Pressure is excessive and cause compactness excessive, do not interfere with ceramic element space and cross water speed rate, will not be to the mistake of ceramic element
Filtering velocity rate is impacted.
Preferably, the inwall of mould is coated with releasing agent in the step (5), the releasing agent is by following components group
Into the mass fraction of each component and each component is diesel oil：Oleum Arachidis hypogaeae semen=1～3：3～5.
Ceramic green can be made easily to take off from mould, do not resulted in by adopting above-mentioned technical proposal, releasing agent
Filter element cannot deviate to cause the situation that green compact scrap on mould towards a face part adhesive of mould, improve the success of molding
Rate, meanwhile, releasing agent may also operate as the effect for protecting mould.
Preferably, firing preheats 50～80 DEG C in the step (5).
By adopting above-mentioned technical proposal, by the moisture in kiln can be excluded, moisture in kiln is not fired to green compact
Process produce impact, by preheating, green compact can be made to start to warm up from preheating temperature, reduce green compact in cold kiln with air in
Material reacts, and causing green surface black speck etc. occur affects attractive in appearance.
Preferably, the firing time in the step (5) is 22～25h.
By adopting above-mentioned technical proposal, the firing time of ceramics is closely related with the compactness of ceramics, firing time control
System makes in 22～25h that ceramics will not mechanical strength be too low as the firing time is too short causes easy fragmentation, also will not be because of burning
Overlong time processed and compactness is excessive causes the rate of filtration to slow down.
In sum, the invention has the advantages that：
1st, the ceramic element obtained by the formula, can improve the yield rate of ceramics, reduce the generation of defect ware, reduce wave
Take, improve raw material availability；And the generation of floating powder can be reduced, make surface brighter and cleaner, strengthen the effect of filtration；
2nd, the ceramic element has extremely strong hydrophilic, and the rate of filtration saves filtration time far faster than one-component kieselguhr filter element,
Improve the rate of filtration of filter element；Meanwhile, the bacteriostasis rate significance of the filter element；There is to water body extremely strong deodorizing capability, can go
Remove the stench in water, the filter element containing mixing starch can reduce that water body stench brought to human body it is psychological and physiological not
Suitable sense.
Specific embodiment
Modification infusorial earth preparation method is as follows：
(1) 500g kieselguhr is put in calcining furnace after calcining 4 hours at 580 DEG C, takes out, room is cooled in dry environment
Temperature；
(2) soak 6 hours in being put into the hydrochloric acid solution that concentration is 10.8%, filter and take out, use clear water cyclic washing, dry；
(3) 450 DEG C of secondary clacinings were taken out, room temperature are cooled in dry environment after 2 hours；
(4), in adding concentration to be 4% hydrochloric acid solution, add saturation Ca (HCO3)2Solution, reacts 10min, filters and takes out, spray
Mist is dried, and other residual componentss are mixed with dried powder, and grinding distribution is uniformly obtained final product.
Aluminum sulfate modified alta-mud preparation method is as follows：
(1) bentonite is added to into the swollen that adds water, the bentonite of swollen forms suspended state in water；
(2) 15g sulphuric acid alumina particles are added toward saturation sodium peroxide solution, is formed by aluminum hydroxide precipitation and metabisulfite solution group
Into turbid liquid；
(3) the bentonite 45g for weighing Jing steps (1) swollen is added in the turbid liquid configured by step (2), is stirred 2h, is filtered
Precipitation, after precipitation is dried, obtains final product aluminum sulfate modified alta-mud.
Embodiment 1
(1) by macropore starch and micropore starch by weight 50：1 ratio mixing, makes mixing starch；
(2) each component is added in homogenizer by following weight ratio, 60 parts of modification infusorial earth, mixing starch obtained by step (1)
15 parts, 10 parts of cellulose acetate, 6 parts of molecular screen primary powder, 1 part of aluminium oxide, 5 parts of montmorillonite, altogether 5kg add homogenizer
Interior, dry powder stirring 1.5min forms dry powder；
(3) Radix Cinnamomi porrecti oil and dehydrated alcohol are pressed into mass fraction 0.8:1 mixing is made into binding agent, is being done in three times obtained by step (2)
In powder, 3 parts of binding agent, 2 parts of emulsified wax, 1 part of aluminum sulfate modified alta-mud, water 3.5kg are added to homogenizer altogether for addition
In, 5min is stirred, half dry powder is formed；
(4) half dry powder obtained by step (3) is crossed into 10 mesh sieves, obtains half dry powder particle；
(5) diesel oil and Oleum Arachidis hypogaeae semen are pressed into mass fraction 1:3 mixing are made into releasing agent, the smearing release agent in the mould, by step (4)
Half dry powder particle of gained fills to mould Bidirectional-pressure 23MPa, half it is dry-pressing formed after obtain filter element green compact；
(6) firing is preheated to into 50 DEG C, filter element green compact obtained by step (5) is sent in firing, firing heats up, and reaches after 11h
1000 DEG C, after insulation 6h, Jing lowers the temperature 6h to room temperature, obtains filter element crude green body；
(7) filter element crude green body is ground off into floating powder on surface through polishing, obtains filter element finished product.
Embodiment 2
(1) by macropore starch and micropore starch by weight 60：1 ratio mixing, makes mixing starch；
(2) each component is added in homogenizer by following weight ratio, 60 parts of modification infusorial earth, mixing starch obtained by step (1)
15 parts, 10 parts of cellulose acetate, 6 parts of molecular screen primary powder, 1 part of aluminium oxide, 5 parts of montmorillonite, altogether 5kg add homogenizer
Interior, dry powder stirring 1.5min forms dry powder；
(3) Radix Cinnamomi porrecti oil and dehydrated alcohol are pressed into mass fraction 1.1：1 mixing is made into binding agent, is being done in three times obtained by step (2)
In powder, 5 parts of binding agent, 3 parts of emulsified wax, 3 parts of aluminum sulfate modified alta-mud, water 4.0kg are added to homogenizer altogether for addition
In, 5min is stirred, half dry powder is formed；
(4) half dry powder obtained by step (3) is crossed into 10 mesh sieves, obtains half dry powder particle；
(5) diesel oil and Oleum Arachidis hypogaeae semen are pressed into mass fraction 1:5 mixing are made into releasing agent, the smearing release agent in the mould, by step (4)
Half dry powder particle of gained fills to mould Bidirectional-pressure 34MPa, half it is dry-pressing formed after obtain filter element green compact；
(6) firing is preheated to into 55 DEG C, filter element green compact obtained by step (5) is sent in firing, firing heats up, and reaches after 11h
1050 DEG C, after insulation 8h, Jing lowers the temperature 6h to room temperature, obtains filter element crude green body；
(7) filter element crude green body is ground off into floating powder on surface through polishing, obtains filter element finished product.
Embodiment 3
(1) by macropore starch and micropore starch by weight 70：1 ratio mixing, makes mixing starch；
(2) each component is added in homogenizer by following weight ratio, 80 parts of modification infusorial earth, mixing starch obtained by step (1)
20 parts, 15 parts of cellulose acetate, 8 parts of molecular screen primary powder, 2 parts of aluminium oxide, 8 parts of montmorillonite, altogether 5kg add homogenizer
Interior, dry powder stirring 1.5min forms dry powder；
(3) Radix Cinnamomi porrecti oil and dehydrated alcohol are pressed into mass fraction 1：1 mixing is made into binding agent, in three times in dry powder obtained by step (2)
It is middle to add 3 parts of binding agent, 2 parts of emulsified wax, 1 part of aluminum sulfate modified alta-mud, water 4.5kg to be altogether added to homogenizer
In, 5min is stirred, half dry powder is formed；
(4) half dry powder obtained by step (3) is crossed into 10 mesh sieves, obtains half dry powder particle；
(5) diesel oil and Oleum Arachidis hypogaeae semen are pressed into mass fraction 2:3 mixing are made into releasing agent, the smearing release agent in the mould, by step (4)
Half dry powder particle of gained fills to mould Bidirectional-pressure 30MPa, half it is dry-pressing formed after obtain filter element green compact；
(6) firing is preheated to into 60 DEG C, filter element green compact obtained by step (5) is sent in firing, firing heats up, and reaches after 11h
1100 DEG C, after insulation 7h, Jing lowers the temperature 5h to room temperature, obtains filter element crude green body；
(7) filter element crude green body is ground off into floating powder on surface through polishing, obtains filter element finished product.
Embodiment 4
(1) by macropore starch and micropore starch by weight 55：1 ratio mixing, makes mixing starch；
(2) each component is added in homogenizer by following weight ratio, 80 parts of modification infusorial earth, mixing starch obtained by step (1)
20 parts, 15 parts of cellulose acetate, 8 parts of molecular screen primary powder, 2 parts of aluminium oxide, 8 parts of montmorillonite, altogether 5kg add homogenizer
Interior, dry powder stirring 1.5min forms dry powder；
(3) Radix Cinnamomi porrecti oil and dehydrated alcohol are pressed into mass fraction 1.2：1 mixing is made into binding agent, is being done in three times obtained by step (2)
In powder, 5 parts of binding agent, 3 parts of emulsified wax, 3 parts of aluminum sulfate modified alta-mud, water 3.75kg are added to high-speed stirred altogether for addition
In machine, 5min is stirred, form half dry powder；
(4) half dry powder obtained by step (3) is crossed into 10 mesh sieves, obtains half dry powder particle；
(5) diesel oil and Oleum Arachidis hypogaeae semen are pressed into mass fraction 1:2 mixing are made into releasing agent, the smearing release agent in the mould, by step (4)
Half dry powder particle of gained fills to mould Bidirectional-pressure 26MPa, half it is dry-pressing formed after obtain filter element green compact；
(6) firing is preheated to into 65 DEG C, filter element green compact obtained by step (5) is sent in firing, firing heats up, and reaches after 12h
1025 DEG C, after insulation 7h, Jing lowers the temperature 6h to room temperature, obtains filter element crude green body；
(7) filter element crude green body is ground off into floating powder on surface through polishing, obtains filter element finished product.
Embodiment 5
(1) by macropore starch and micropore starch by weight 65：1 ratio mixing, makes mixing starch；
(2) each component is added in homogenizer by following weight ratio, 70 parts of modification infusorial earth, mixing starch obtained by step (1)
17 parts, 12 parts of cellulose acetate, 7 parts of molecular screen primary powder, 1 part of aluminium oxide, 7 parts of montmorillonite, altogether 5kg add homogenizer
Interior, dry powder stirring 1.5min forms dry powder；
(3) Radix Cinnamomi porrecti oil and dehydrated alcohol are pressed into mass fraction 1.3：1 mixing is made into binding agent, is being done in three times obtained by step (2)
In powder, 4 parts of binding agent, 3 parts of emulsified wax, 2 parts of aluminum sulfate modified alta-mud, water 4.25kg are added to high-speed stirred altogether for addition
In machine, 5min is stirred, form half dry powder；
(4) half dry powder obtained by step (3) is crossed into 10 mesh sieves, obtains half dry powder particle；
(5) diesel oil and Oleum Arachidis hypogaeae semen are pressed into mass fraction 3:4 mixing are made into releasing agent, the smearing release agent in the mould, by step (4)
Half dry powder particle of gained fills to mould Bidirectional-pressure 28MPa, half it is dry-pressing formed after obtain filter element green compact；
(6) firing is preheated to into 70 DEG C, filter element green compact obtained by step (5) is sent in firing, firing heats up, and reaches after 11h
1075 DEG C, after insulation 6.5h, Jing lowers the temperature 6h to room temperature, obtains filter element crude green body；
(7) filter element crude green body is ground off into floating powder on surface through polishing, obtains filter element finished product.
Embodiment 6
(1) by macropore starch and micropore starch by weight 58：1 ratio mixing, makes mixing starch；
(2) each component is added in homogenizer by following weight ratio, 60 parts of modification infusorial earth, mixing starch obtained by step (1)
20 parts, 15 parts of cellulose acetate, 8 parts of molecular screen primary powder, 2 parts of aluminium oxide, 8 parts of montmorillonite, altogether 5kg add homogenizer
Interior, dry powder stirring 1.5min forms dry powder；
(3) Radix Cinnamomi porrecti oil and dehydrated alcohol are pressed into mass fraction 1.4：1 mixing is made into binding agent, is being done in three times obtained by step (2)
In powder, 3 parts of binding agent, 2 parts of emulsified wax, 1 part of aluminum sulfate modified alta-mud, water 4.4kg are added to homogenizer altogether for addition
In, 5min is stirred, half dry powder is formed；
(4) half dry powder obtained by step (3) is crossed into 10 mesh sieves, obtains half dry powder particle；
(5) diesel oil and Oleum Arachidis hypogaeae semen are pressed into mass fraction 2:5 mixing are made into releasing agent, the smearing release agent in the mould, by step (4)
Half dry powder particle of gained fills to mould Bidirectional-pressure 25MPa, half it is dry-pressing formed after obtain filter element green compact；
(6) firing is preheated to into 50 DEG C, filter element green compact obtained by step (5) is sent in firing, firing heats up, and reaches after 11h
1050 DEG C, after insulation 8h, Jing lowers the temperature 6h to room temperature, obtains filter element crude green body；
(7) filter element crude green body is ground off into floating powder on surface through polishing, obtains filter element finished product.
Above-described embodiment is made into 6 batches of finished product filter elements, filter element performance measurement is carried out：
1. judged with reference to dimensional measuring instrument by range estimation, if there is the crack of slabbing or depth more than 2mm in surface,
It is then defective work；
2., by each group across comparison, with embodiment 1 as standard, its floating powder degree is judged, wherein："+" represents floating powder degree
It is slighter than embodiment 1；"-" represents without floating powder；++ " represent that floating powder degree is more similar than embodiment 1；" +++ " represents floating powder degree ratio
Embodiment 1 is serious.
5 are selected from every batch of filter element at random, the further measure of filter element performance is carried out：
3. the aperture of every group of ceramic element is determined by inside diameter measurement tester and averaged；
4. each filter element is rinsed after 30min with municipal water use, dried naturally, three Jiangkou water body of Ningbo is then chosen as nature
Water, each component content in each inherent filtration 10min Natural Waters, and the water body tested after filtering, under method of testing enters：
4.1. according to gained aquifer yield after 10min is filtered, determine the filtration resistance of ceramic element；
4.2 prepare 11 groups in component identical PDA culture medium, and 5 per group, each embodiment is applied to correspondence group with 1mL/
PDA culture medium on, culture 24 hours after, clump count is obtained by counting method；
4.3 are tested by n-butyl alcohol, are chosen sharp-nosed 10 people as smelly member is examined, using pure water as control, are covered its pair
Eye, so that "-" represents odorless；"+" represents less malodor；" ++ " moderate stink；" +++ " represents severe stink；To express in water
Odor strength.
Everyone testing result is counted, the "+" obtained by each filter element in per group is added, every group of filter element is obtained
"+" be less than 10, then be odorless, the "+" that every group of filter element is obtained represents less malodor, per group higher than 10 and less than 20
The "+" that filter element is obtained is higher than 20 and is less than 30, represents moderate stink, and the "+" that every group of filter element is obtained represents weight higher than 30
Degree stink.
Test result see the table below：
Select embodiment 2 to be preferred embodiment, further compared test.
Comparative example 1
Compared to above-described embodiment 2, this comparative example 1 is the filter element formed by a firing in the case of above-described embodiment 2 is not added with binding agent.
Comparative example 2
Compared to above-described embodiment 2, this comparative example 2 is the filter element formed by a firing in the case of above-described embodiment 2 is not added with flocculant.
Comparative example 3
Compared to above-described embodiment 2, this comparative example 3 is the filter element formed by a firing in the case of above-described embodiment 2 is not added with emulsifying agent.
Comparative example 4
Compared to above-described embodiment 2, mixing starch the step of this comparative example 4 is above-described embodiment 2 in (2) is replaced with by macropore
The filter element of starch composition.
Comparative example 5
Compared to above-described embodiment 2, mixing starch the step of this comparative example 5 is above-described embodiment 2 in (2) is replaced with by micropore
The filter element of starch composition.
Comparative example 6
With the ceramic element that the kieselguhr of one-component is fired with method of the same race.
Above-described embodiment and comparative example are made into finished product filter element and its performance is tested, method is ibid：
Test result see the table below：
By above-mentioned it is demonstrated experimentally that ceramic semi-dry pressing can be respectively increased by binding agent, flocculant and emulsifying agent
Yield rate in journey, reduces the generation of defect ware, reduces and wastes, and improves raw material availability；And the generation of floating powder can be reduced, make
Surface is brighter and cleaner, the ceramic element obtained by the formula, and aperture strengthens the effect of filtration below 0.12 μm.
The hydrophilic of the ceramic element compared with one-component kieselguhr filter element, with extremely strong hydrophilic, the rate of filtration far faster than
One-component kieselguhr filter element, saves filtration time, improves the rate of filtration of filter element；Meanwhile, the bacteriostasis rate of the filter element is compared with one-component
Kieselguhr filter element is improved with having significance；The ceramic element of addition mixing starch has extremely strong deodorizing capability to water body, can be with
The stench in water is got rid of, it is psychological and physiological that the filter element containing mixing starch can reduce that water body stench brought to human body
Sense of discomfort.
This specific embodiment is only explanation of the invention, and which is not limitation of the present invention, people in the art
Member can make the modification for not having creative contribution after this specification is read as needed to the present embodiment, but as long as at this
All protected by Patent Law in the right of invention.
Claims (10)
1. the composite filter element of a kind of containing diatomite and starch, it is characterised in that the filter element is composed of the following components, each component and
The mass fraction of each component is：60～80 parts of modification infusorial earth, 15～20 parts of mixing starch, cellulose acetate 10～15 part, point
Former 6～8 parts of the powder of son sieve, 1～2 part of aluminium oxide, 5～8 parts of montmorillonite, 1～3 part of flocculant.
2. the composite filter element of a kind of containing diatomite according to claim 1 and starch, it is characterised in that the mixing starch
It is made up of the macropore starch that aperture is 0.5～1.5 μm and the micropore starch that aperture is 0.6～0.7nm, its mixing quality ratio is big
Hole starch：Micropore starch=50～70:1.
3. the preparation method of the composite filter element of a kind of containing diatomite according to claim 1 and starch, it is characterised in that institute
Flocculant is stated for aluminum sulfate modified alta-mud.
4. the preparation method of the composite filter element of a kind of containing diatomite according to claim 1 and starch, it is characterised in that bag
Include following steps：
(1) by 60～80 parts of modification infusorial earth, 15～20 parts of mixing starch, 10～15 parts of cellulose acetate, molecular screen primary powder 6～
8 parts, 1～2 part of aluminium oxide, 5～8 parts of montmorillonite, carry out dry powder mixed at high speed in being added to homogenizer；
(2) in dry powder obtained by step (1), the mass fraction that each component and each component add altogether is added to be binding agent 3 by several times
～5 parts, 2～3 parts of emulsifying agent, 1～3 part of flocculant and account for the added dispensing of step (1) gross weight 0.7～0.9 water, high-speed stirring
Mix, form half dry powder；
(3) half dry powder obtained by step (2) is crossed into 10 mesh sieves and obtains half dry powder particle；
(4) by half dry powder particle obtained by step (3) fill to mould half it is dry-pressing formed after obtain filter element green compact；
(5) gained filter element green compact in step (4) are burnt till for 1000 DEG C～1100 DEG C in firing, obtains filter element crude green body；
(6) filter element crude green body in step (5) is obtained into filter element finished product through polishing.
5. the preparation method of the composite filter element of a kind of containing diatomite according to claim 4 and starch, it is characterised in that institute
State that binding agent is composed of the following components, the mixing quality ratio of each component and each component is Radix Cinnamomi porrecti oil：Dehydrated alcohol=0.8～
1.4：1.
6. the preparation method of the composite filter element of a kind of containing diatomite according to claim 4 and starch, it is characterised in that institute
Emulsifying agent is stated for emulsified wax.
7. the preparation method of the composite filter element of a kind of containing diatomite according to claim 4 and starch, it is characterised in that institute
In stating step (4), half dry-pressing formed pressuring method is Bidirectional-pressure, and moulding pressure is 23MPa～34MPa.
8. the preparation method of the composite filter element of a kind of containing diatomite according to claim 4 and starch, it is characterised in that institute
The inwall for stating mould in step (5) is coated with releasing agent, and the releasing agent is composed of the following components, each component and each component
Mass fraction is diesel oil：Oleum Arachidis hypogaeae semen=1～3：3～5.
9. the preparation method of the composite filter element of a kind of containing diatomite according to claim 4 and starch, it is characterised in that institute
Firing in stating step (5) preheats 50～80 DEG C.
10. the preparation method of the composite filter element of a kind of containing diatomite according to claim 4 and starch, it is characterised in that
Firing time in the step (5) is 22～25h.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108997024A (en) * | 2017-06-07 | 2018-12-14 | 宁波清水坊环保科技有限公司 | A kind of ceramic element and its production method of composite diatomite active carbon |
| CN110683839A (en) * | 2019-10-25 | 2020-01-14 | 深圳麦克韦尔科技有限公司 | Porous ceramic and preparation method and application thereof |
| CN111482162A (en) * | 2020-05-10 | 2020-08-04 | 孙新元 | Water purifying agent based on modified diatomite and preparation method thereof |
| CN111530136A (en) * | 2020-05-11 | 2020-08-14 | 北海艾米碳材料技术研发有限公司 | High-performance activated carbon purification forming filter element |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1724112A (en) * | 2005-06-02 | 2006-01-25 | 淄博博纳科技发展有限公司 | Microporous ceramic filtering element with antibacterial water activating function |
| CN101564621A (en) * | 2009-05-20 | 2009-10-28 | 中南大学 | Gradient pore structured titanium filter core and preparation method thereof |
| CN101920140A (en) * | 2009-06-16 | 2010-12-22 | 三达膜科技（厦门）有限公司 | Preparation method of composite ceramic filter core containing diatomite and charcoal |
| CN102627457A (en) * | 2012-04-27 | 2012-08-08 | 赣州虔东稀土集团股份有限公司 | Ceramic and preparation method and application thereof |
| CN104193400A (en) * | 2014-08-20 | 2014-12-10 | 沈亮 | Preparation method of kieselguhr/zeolite/activated carbon multilayer composite ceramic filter element |
| WO2015100050A1 (en) * | 2013-12-26 | 2015-07-02 | Imerys Filtration Minerals, Inc. | Co-agglomerated composite materials, methods for making co-agglomerated composite materials, and methods for using co-agglomerated composite materials |
-
2016
- 2016-11-26 CN CN201611057522.0A patent/CN106552459B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1724112A (en) * | 2005-06-02 | 2006-01-25 | 淄博博纳科技发展有限公司 | Microporous ceramic filtering element with antibacterial water activating function |
| CN101564621A (en) * | 2009-05-20 | 2009-10-28 | 中南大学 | Gradient pore structured titanium filter core and preparation method thereof |
| CN101920140A (en) * | 2009-06-16 | 2010-12-22 | 三达膜科技（厦门）有限公司 | Preparation method of composite ceramic filter core containing diatomite and charcoal |
| CN102627457A (en) * | 2012-04-27 | 2012-08-08 | 赣州虔东稀土集团股份有限公司 | Ceramic and preparation method and application thereof |
| WO2015100050A1 (en) * | 2013-12-26 | 2015-07-02 | Imerys Filtration Minerals, Inc. | Co-agglomerated composite materials, methods for making co-agglomerated composite materials, and methods for using co-agglomerated composite materials |
| CN104193400A (en) * | 2014-08-20 | 2014-12-10 | 沈亮 | Preparation method of kieselguhr/zeolite/activated carbon multilayer composite ceramic filter element |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108997024A (en) * | 2017-06-07 | 2018-12-14 | 宁波清水坊环保科技有限公司 | A kind of ceramic element and its production method of composite diatomite active carbon |
| CN110683839A (en) * | 2019-10-25 | 2020-01-14 | 深圳麦克韦尔科技有限公司 | Porous ceramic and preparation method and application thereof |
| CN111482162A (en) * | 2020-05-10 | 2020-08-04 | 孙新元 | Water purifying agent based on modified diatomite and preparation method thereof |
| CN111482162B (en) * | 2020-05-10 | 2023-12-01 | 大庆市源邦石油科技有限公司 | Water purifying agent based on modified diatomite and preparation method thereof |
| CN111530136A (en) * | 2020-05-11 | 2020-08-14 | 北海艾米碳材料技术研发有限公司 | High-performance activated carbon purification forming filter element |
| CN111530136B (en) * | 2020-05-11 | 2021-12-21 | 北海艾米碳材料技术研发有限公司 | High-performance activated carbon purification forming filter element |
| CN112762507A (en) * | 2021-01-12 | 2021-05-07 | 园素实业（厦门）有限公司 | Combined outdoor stove and manufacturing method thereof |
| CN112762507B (en) * | 2021-01-12 | 2022-02-15 | 园素实业（厦门）有限公司 | Combined outdoor stove and manufacturing method thereof |
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