CN105854430A - Method for preparing nano composite material for air purification - Google Patents
Method for preparing nano composite material for air purification Download PDFInfo
- Publication number
- CN105854430A CN105854430A CN201610316423.3A CN201610316423A CN105854430A CN 105854430 A CN105854430 A CN 105854430A CN 201610316423 A CN201610316423 A CN 201610316423A CN 105854430 A CN105854430 A CN 105854430A
- Authority
- CN
- China
- Prior art keywords
- vermiculite
- raw
- fabric
- composite material
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G23/00—Compounds of titanium
- C01G23/04—Oxides; Hydroxides
- C01G23/047—Titanium dioxide
- C01G23/053—Producing by wet processes, e.g. hydrolysing titanium salts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/112—Metals or metal compounds not provided for in B01D2253/104 or B01D2253/106
- B01D2253/1124—Metal oxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
- C01P2004/13—Nanotubes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
Abstract
The invention provides a method for preparing a nano composite material for air purification. The method comprises the following steps: by taking unprocessed vermiculite power as a template, preparing a nano-grade titanium dioxide composite material under a high-temperature pressurizing condition, and wrapping a prepared nano-grade titanium dioxide tube with a vermiculite layered structure. The nano composite material is good in pressure resistance, good in PM2.5 adsorption property and long in service life after being assembled in a specific purification device.
Description
Technical field
The present invention relates to technical field of air purification, can be used for the cellular of air cleaning receive it particularly relates to a kind of
The preparation method of rice material, it is adaptable to the purification of the gas such as PM2.5 dust, nitrogen oxides, aldehydes in air.
Background technology
It is Filtration that counter-measure main for PM2.5 is broadly divided into following three kinds: one, including air-conditioning, humidifier, sky
Gas fresheners etc., advantage is substantially to reduce the concentration of PM2.5, and shortcoming is that filter membrane needs to clean or change.Two is water adsorption method.Super
Sound nebulizer, indoor cascade, pond, fish jar etc., it is possible to absorbing the hydrophilic PM2.5 in air, shortcoming is to increase humidity, hydrophobicity
PM2.5 can not effectively remove.Three is plant absorption method.Plant leaf blade has bigger surface area, it is possible to absorb harmful gas and
Absorption PM2.5, advantage is to produce favourable gas, and shortcoming is that absorption efficiency is low, and some plant can produce harmful gas.At present
Existing advanced method is medium absorption in the world, and such as HEPA filter screen, this means can play the most efficient at the application initial stage
The filtration of rate, but along with the increase of the time of use, the laying dust amount of medium tends to saturated, can bring secondary pollution and filter effect
Declining to a great extent of fruit.
Chinese invention patent CN103990344A discloses a kind of atomizing PM2.5 based on titanium dioxide fluid and purifies dress
Putting, this device utilizes titanium dioxide fluid to adsorb PM2.5, and advantage is effective and after life-time service, antimony trichloride can become
Yellow, it is possible to effectively prompting people's convection cell is replaced, but it yet suffers from laying dust amount and reduces, and what needs timing was changed lacks
Point.
The Chinese patent literature of Publication No. CN102777986A discloses a kind of indoor air-purification device, relates to sky
Gas purification techniques field, solved is the technical problem improving indoor air purification effect.This device includes casing, and from
Under supreme be sequentially arranged in casing blower fan, optical catalyst module, ion generator；The bottom of described casing is provided with air inlet,
Its top is provided with air outlet；The exhaust outlet of described blower fan upwards, air entry just air inlet to lower box；Described photocatalyst
Module has multiple, lays from top to bottom, and each optical catalyst module is equipped with polylith and the glass substrate of photocatalyst coating is coated, often
Individual optical catalyst module is equipped with ultraviolet generator；An air between two optical catalyst modules it is provided with in described casing
Heating compartment, is provided with far-infrared heater, temperature inductor in air heating compartment；It is capped with one on the air inlet of described lower box
Ventilative activated carbon filter plate.The program integrated use technology such as activated carbon adsorption dedusting and infrared sterilization, for while dedusting
Serve certain effect with sterilization, but the program relies on the method removal effect for finely ground particles of activated carbon adsorption
Fruit is the best, and relies on the removal efficiency of activated carbon adsorption the lowest.
Summary of the invention
In view of this, it is an object of the invention to provide the preparation method of a kind of nano composite material for air cleaning,
Improve the laying dust amount of purifier, extend the service life of material, thus reach easy to use, reduce the purpose of cost simultaneously.
The preparation method of a kind of nano composite material for air cleaning, is carried out as steps described below:
A, fabric and raw-vermiculite is ground to powder, crosses 120 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite powder；
B, being dissolved in water by fabric and raw-vermiculite powder, carry out ultrasonic disperse, 50 mesh filter screens filter, filtrate are dried under the conditions of 80-100 DEG C
Dry, obtain fabric and raw-vermiculite fine powder；
C, by fabric and raw-vermiculite fine powder continue grind, cross 325 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite micropowder；Add in n-butyl alcohol,
Ultrasonic disperse, adds dodecylbenzene sodium sulfonate and distilled water, and stirring obtains fabric and raw-vermiculite micropowder suspension, described fabric and raw-vermiculite
The mass ratio of micropowder, n-butyl alcohol, dodecylbenzene sodium sulfonate and distilled water is fabric and raw-vermiculite micropowder: n-butyl alcohol: dodecane
Base benzene sulfonic acid sodium salt: distilled water=1g:800-1000g:0.5-1g:200-300g；
D, n-butyl alcohol is diluted metatitanic acid four fourth fat obtain the titanium precursors solution that concentration is 0.1-0.25mol/L；
E, suspension is added in high-temperature pressurizing reactor, solution is heated to 150 DEG C from room temperature in 10-20min, and from often
Pressure boosts to 5MPa, then enough titanium precursors solution is added drop-wise to fabric and raw-vermiculite micropowder suspension, stirs to enter for 8-10 hour
Row condensation reaction, during reaction, temperature is gradually warming up to 350 DEG C from 150 DEG C；
F, after the solution centrifugal of reaction gained, use straight alcohol dispensing laundry, be dried in a vacuum, obtain titanium source-expanded vermiculite mixed
Compound, the rotating speed of centrifuge therein is 4000-8000 rev/min；
G, titanium source-expanded vermiculite mixture is calcined under the conditions of 350-950 DEG C 2-3 hour, then by cold for the product after calcining
But to room temperature, titanic oxide nano compound material is obtained.
Chinese invention patent CN103641165A discloses one and prepares titanium dioxide with natural minerals attapulgite for template
The method of titanium nanotube, attapulgite be a kind of sweat Silicon-rich hydrochlorate having fiber pattern layer chain transition structure be main clay
Mineral, have natural nano-scale fiber profile, are typical monodimension nanometer materials, with the nano junction of attapulgite in the method
Structure is that template is to prepare carbon nano rod.
And the fabric and raw-vermiculite in the present invention is also a kind of natural minerals, but and unlike attapulgite, its a kind of layer structure
Containing magnesium, the secondary rotten ore deposit of irony aluminosilicate.
The thin layered structure of Vermiculitum, is by the silica skeleton of two-layer stratiform, by oxyhydrogen magnesium rock layers or oxyhydrogen aluminum stone layer
In conjunction with and form double-deck silicon-oxy tetrahedron.With the presence of water molecule layer between " double-deck ".The expansion of Vermiculitum, is due at high-temperature heating
Time.Moisture between " double-deck " becomes steam and produces pressure, makes " double-deck " separate reason.Of the microstructure of research Vermiculitum
Persons, illustrate the spread pattern of aluminosilicate interlayer water molecule layer in Vermiculitum structure, it is believed that Vermiculitum interlayer hydrone has two kinds
Form: one is by six molecular primary hydration shells of moisture, is referred to as combining water, another kind is curved about magnesium ion and is in certainly
By the eight of state hydrones, referred to as Free water.Free water just can be discharged at relatively low temperatures, and this point is tested at some
Discussion in data is all consistent.Vermiculitum is it is possible to expand, when being because thermal dehydration, in its confining bed space by water
Steam produces pressure and produces.When Vermiculitum heating is below 150 DEG C, the most do not produce expansion, this is because below 150 DEG C
Temperature dehydrating amount little, only Free water is escaped, and steam is freely discharged by interlayer, can not produce the pressure that be enough to make it expand
Power.Being heated to 150 DEG C with (850 1 1000 DEG C) during up to higher temperature owing to aluminosilicate interlayer cardinal distance reduces, steam is arranged
The condition gone out is restricted, and causes intermediary water steam pressure to increase, causes Vermiculitum acutely to expand, and firing rate expands sooner
Hurry up.
The preparation process of the present invention is with the difference of Chinese invention patent CN103641165A, course of reaction is put
High-temperature pressurizing reactor is carried out, after pressure is adjusted to certain high pressure, in 8-10 hour, temperature is the most slow from 150 DEG C
Slowly being warming up to 350 DEG C, the combination water between vermiculite layers is constantly got rid of in the process, and titanium source is the most constantly filled into silica
In tetrahedral space, form nano tubular structure.
The width of the titanic oxide nano compound material that the present invention generates is the nano tube structure between 300-3500 nanometer,
And become the thin layered structure of Vermiculitum in nanotube outer wrap, therefore under the pressurized conditions in follow-up use, nanotube is difficult to
Rupture.
Preferably, in step D of the present invention, described titanium precursors solution can add a small amount of iron chloride.
Preferably, in step D of the present invention, the amount of the material of the iron chloride that can add in described titanium precursors solution
The 0.5-0.8% of amount for the material of metatitanic acid four fourth fat.
Preferably, under conditions of adding iron chloride, the rotating speed of centrifuge is 4000-5000 rev/min, the highest meeting of rotating speed
Affect the magnetic of material.
After adding a small amount of iron chloride, after calcining, the nanometer ferro oxide of a small amount of specification arrangement can be generated, can give
The magnetic that material is certain, follow-up convenient during utilizing material.
Preferably, in described step E, temperature, at 40 DEG C/h, is warming up to by the speed controlling that will heat up from 150 DEG C
350 DEG C, then keep the temperature at 350 DEG C, keep 4 hours best results.
Preferably, the fabric and raw-vermiculite in described step A can also replace with acid PERFORMANCE OF MODIFIED VERMICULITE, alkali modification Vermiculitum or ammonium methyl
Ion modification Vermiculitum.
The preparation method of the nano composite material for air cleaning provided by the present invention, with fabric and raw-vermiculite powder as template,
Preparing Nano titanium dioxide composite under the conditions of high-temperature pressurizing, obtained Nano titanium dioxide pipe is coated on Vermiculitum
In layer structure, possess good voltage endurance capability, PM2.5 high adsorption capacity, after being assembled in specific purifier, use
Life-span is long.Titanium dioxide also has absorption simultaneously, eliminates the effect of the harmful gass such as nitrogen oxides, disappearing of Nano titanium dioxide
Except better.
Detailed description of the invention
Embodiment 1
The preparation method of a kind of nano composite material for air cleaning, is carried out as steps described below:
A, fabric and raw-vermiculite is ground to powder, crosses 120 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite powder；
B, being dissolved in water by fabric and raw-vermiculite powder, carry out ultrasonic disperse, 50 mesh filter screens filter, filtrate are dried under the conditions of 80-100 DEG C
Dry, obtain fabric and raw-vermiculite fine powder；
C, by fabric and raw-vermiculite fine powder continue grind, cross 325 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite micropowder；Add in n-butyl alcohol,
Ultrasonic disperse, adds dodecylbenzene sodium sulfonate and distilled water, and stirring obtains fabric and raw-vermiculite micropowder suspension, described fabric and raw-vermiculite
The mass ratio of micropowder, n-butyl alcohol, dodecylbenzene sodium sulfonate and distilled water is fabric and raw-vermiculite micropowder: n-butyl alcohol: dodecane
Base benzene sulfonic acid sodium salt: distilled water=1g:900g:0.8g:250g；
D, n-butyl alcohol is diluted metatitanic acid four fourth fat obtain the titanium precursors solution that concentration is 0.2mol/L；
E, suspension is added in high-temperature pressurizing reactor, solution is heated to 150 DEG C from room temperature, and boosts to from normal pressure
5MPa, time 15min, be then added drop-wise to fabric and raw-vermiculite micropowder suspension, the speed that will heat up by enough titanium precursors solution
Control at 40 DEG C/h, temperature is warming up to 350 DEG C from 150 DEG C, then keeps the temperature at 350 DEG C, keep 4 hours, carry out
Condensation reaction；
F, after the solution centrifugal of reaction gained, use straight alcohol dispensing laundry, be dried in a vacuum, obtain titanium source-expanded vermiculite mixed
Compound, the rotating speed of centrifuge therein is 4500 revs/min；
G, titanium source-expanded vermiculite mixture is calcined under the conditions of 500 DEG C 2.5 hours, then the product after calcining is cooled to
Room temperature, obtains titanic oxide nano compound material.
In step D of the present invention, the amount of the material of the iron chloride that can add in described titanium precursors solution is metatitanic acid
The 0.7% of the amount of the material of four fourth fat.
Embodiment 2
The preparation method of a kind of nano composite material for air cleaning, is carried out as steps described below:
A, fabric and raw-vermiculite is ground to powder, crosses 120 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite powder；
B, being dissolved in water by fabric and raw-vermiculite powder, carry out ultrasonic disperse, 50 mesh filter screens filter, filtrate are dried under the conditions of 80-100 DEG C
Dry, obtain fabric and raw-vermiculite fine powder；
C, by fabric and raw-vermiculite fine powder continue grind, cross 325 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite micropowder；Add in n-butyl alcohol,
Ultrasonic disperse, adds dodecylbenzene sodium sulfonate and distilled water, and stirring obtains fabric and raw-vermiculite micropowder suspension, described fabric and raw-vermiculite
The mass ratio of micropowder, n-butyl alcohol, dodecylbenzene sodium sulfonate and distilled water is fabric and raw-vermiculite micropowder: n-butyl alcohol: dodecane
Base benzene sulfonic acid sodium salt: distilled water=1g:1000g:0.5g:200g；
D, n-butyl alcohol is diluted metatitanic acid four fourth fat obtain the titanium precursors solution that concentration is 0.25mol/L；
E, suspension is added in high-temperature pressurizing reactor, solution is heated to 150 DEG C from room temperature, and boosts to from normal pressure
5MPa, time 10min, be then added drop-wise to fabric and raw-vermiculite micropowder suspension, the speed that will heat up by enough titanium precursors solution
Control at 20 DEG C/h, temperature is warming up to 350 DEG C from 150 DEG C, carries out condensation reaction；
F, after the solution centrifugal of reaction gained, use straight alcohol dispensing laundry, be dried in a vacuum, obtain titanium source-expanded vermiculite mixed
Compound, the rotating speed of centrifuge therein is 4500 revs/min；
G, titanium source-expanded vermiculite mixture is existed, under the conditions of 650 DEG C, calcine 3 hours, then the product after calcining is cooled to room
Temperature, obtains titanic oxide nano compound material.
In step D of the present invention, the amount of the material of the iron chloride that can add in described titanium precursors solution is metatitanic acid
The 0.5% of the amount of the material of four fourth fat.
Embodiment 3
The preparation method of a kind of nano composite material for air cleaning, is carried out as steps described below:
A, fabric and raw-vermiculite is ground to powder, crosses 120 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite powder；
B, being dissolved in water by fabric and raw-vermiculite powder, carry out ultrasonic disperse, 50 mesh filter screens filter, filtrate are dried under the conditions of 80-100 DEG C
Dry, obtain fabric and raw-vermiculite fine powder；
C, by fabric and raw-vermiculite fine powder continue grind, cross 325 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite micropowder；Add in n-butyl alcohol,
Ultrasonic disperse, adds dodecylbenzene sodium sulfonate and distilled water, and stirring obtains fabric and raw-vermiculite micropowder suspension, described fabric and raw-vermiculite
The mass ratio of micropowder, n-butyl alcohol, dodecylbenzene sodium sulfonate and distilled water is fabric and raw-vermiculite micropowder: n-butyl alcohol: dodecane
Base benzene sulfonic acid sodium salt: distilled water=1g:800g:0.85g:300g；
D, n-butyl alcohol is diluted metatitanic acid four fourth fat obtain the titanium precursors solution that concentration is 0.1mol/L；
E, suspension is added in high-temperature pressurizing reactor, solution is heated to 150 DEG C from room temperature, and boosts to from normal pressure
5MPa, time 15min, be then added drop-wise to fabric and raw-vermiculite micropowder suspension, the speed that will heat up by enough titanium precursors solution
Control at 30 DEG C/h, temperature is warming up to 350 DEG C from 150 DEG C, then keeps the temperature at 350 DEG C, keep 2.5 hours, enter
Row condensation reaction；
F, after the solution centrifugal of reaction gained, use straight alcohol dispensing laundry, be dried in a vacuum, obtain titanium source-expanded vermiculite mixed
Compound, the rotating speed of centrifuge therein is 4500 revs/min；
G, titanium source-expanded vermiculite mixture is calcined under the conditions of 400 DEG C 3 hours, then the product after calcining is cooled to room
Temperature, obtains titanic oxide nano compound material.
In step D of the present invention, the amount of the material of the iron chloride that can add in described titanium precursors solution is metatitanic acid
The 0.8% of the amount of the material of four fourth fat.
Titanic oxide nano compound material embodiment 1-3 prepared is installed in air cleaner, described air
Purifier includes cylinder body: a diameter of 12cm, the cylinder of a length of 35cm, shell is aluminium alloy structure, in cavity
Portion is permanent magnetism iron pipe, described permanent magnetism iron pipe embayment return line structure, permanent magnet tube-surface cladding titanium dioxide nano composite wood
Material, a diameter of 5mm of described permanent magnetism iron pipe, a length of 250m.
Described air cleaner also includes external pressurized equipment, and under an increased pressure, PM2.5 is adsorbed onto titanium dioxide and receives
After in nano composite material, bulky grain can be compressed to, be saved in the nanotube of titanic oxide nano compound material, thus rise
Going out space, can adsorb more PM2.5, effect is more lasting.
After titanic oxide nano compound material is installed to air cleaner, test.
It is 300 cubic metres that air cleaner is placed on space, and PM2.5 concentration controls at 300 micrograms/cubic meter, air
Flowing velocity be 2m/s space in test, air cleaner worked after 4 hours, PM2.5 concentration be reduced to 35 micrograms/cube
Below meter, air cleaner is that effect is normal, and the use time of embodiment 1-3 is as follows:
| The use time | |
| Embodiment 1 | 2000 hours |
| Embodiment 2 | 1560 hours |
| Embodiment 3 | 1700 hours |
Embodiment 4
Being 7500 revs/min by the rotating speed of the centrifuge in step F, remaining preparation condition is same as in Example 1, the air of preparation
In purifier, permanent magnetism iron pipe reduces 35% to the adsorbance of titanic oxide nano compound material, and final PM2.5 purifies test
The middle use time is 1450 hours.
Embodiment 5
By the 0.3% of the amount of material that the amount of the material of iron chloride in step D is metatitanic acid four fourth fat, remaining preparation condition and enforcement
Example 1 is identical, and in the air cleaner of preparation, permanent magnetism iron pipe reduces 60% to the adsorbance of titanic oxide nano compound material,
Final PM2.5 purifies and uses the time in test is 900 hours.
Embodiment 6
By the 1.5% of the amount of material that the amount of the material of iron chloride in step D is metatitanic acid four fourth fat, remaining preparation condition and enforcement
Example 1 is identical, the permanent magnetism iron pipe adsorbance rising 5% to titanic oxide nano compound material in the air cleaner of preparation, finally
PM2.5 purify test in use the time be 2000 hours.
From the test data of embodiment 4-6, the rotating speed of centrifuge is too high can affect titanic oxide nano compound material
Magnetic, thus finally affect the service life of purifier；The addition of iron chloride is too low can reduce nano titania again
The magnetic of condensation material, affects the permanent magnetism iron pipe adsorbance to titanic oxide nano compound material, thus finally affects purifier
Service life, but after the addition of iron chloride is excessive, to the permanent magnetism iron pipe adsorbance shadow to titanic oxide nano compound material
Ring little.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (8)
1. the preparation method for the nano composite material of air cleaning, it is characterised in that carry out as steps described below:
A, fabric and raw-vermiculite is ground to powder, crosses 120 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite powder；
B, being dissolved in water by fabric and raw-vermiculite powder, carry out ultrasonic disperse, 50 mesh filter screens filter, filtrate are dried under the conditions of 80-100 DEG C
Dry, obtain fabric and raw-vermiculite fine powder；
C, by fabric and raw-vermiculite fine powder continue grind, cross 325 mesh sieves, extracting screen underflow, obtain fabric and raw-vermiculite micropowder；Add in n-butyl alcohol,
Ultrasonic disperse, adds dodecylbenzene sodium sulfonate and distilled water, and stirring obtains fabric and raw-vermiculite micropowder suspension, described fabric and raw-vermiculite
The mass ratio of micropowder, n-butyl alcohol, dodecylbenzene sodium sulfonate and distilled water is fabric and raw-vermiculite micropowder: n-butyl alcohol: dodecane
Base benzene sulfonic acid sodium salt: distilled water=1g:800-1000g:0.5-1g:200-300g；
D, n-butyl alcohol is diluted metatitanic acid four fourth fat obtain the titanium precursors solution that concentration is 0.1-0.25mol/L；
E, suspension is added in high-temperature pressurizing reactor, solution is heated to 150 DEG C from room temperature in 10-20min, and from often
Pressure boosts to 5MPa, then enough titanium precursors solution is added drop-wise to fabric and raw-vermiculite micropowder suspension, stirs to enter for 8-10 hour
Row condensation reaction, during reaction, temperature is gradually warming up to 350 DEG C from 150 DEG C；
F, after the solution centrifugal of reaction gained, use straight alcohol dispensing laundry, be dried in a vacuum, obtain titanium source-expanded vermiculite mixed
Compound, the rotating speed of centrifuge therein is 4000-8000 rev/min；
G, titanium source-expanded vermiculite mixture is calcined under the conditions of 350-950 DEG C 2-3 hour, then by cold for the product after calcining
But to room temperature, titanic oxide nano compound material is obtained.
2. the preparation method of the nano composite material for air cleaning as claimed in claim 1, it is characterised in that the present invention
Step D in, described titanium precursors solution adds a small amount of iron chloride.
3. the preparation method of the nano composite material for air cleaning as claimed in claim 2, it is characterised in that described
The 0.5-0.8% of the amount of the material that amount is metatitanic acid four fourth fat of the material of the iron chloride added in titanium precursors solution.
4. the preparation method of the nano composite material for air cleaning as claimed in claim 2, it is characterised in that centrifuge
Rotating speed be 4000-5000 rev/min.
5. the preparation method of the nano composite material for air cleaning as claimed in claim 1, it is characterised in that described
In step E, temperature, at 40 DEG C/h, is warming up to 350 DEG C from 150 DEG C, then keeps the temperature at by the speed controlling that will heat up
350 DEG C, keep 4 hours.
6. the preparation method of the nano composite material for air cleaning as claimed in claim 1, it is characterised in that described
Titanic oxide nano compound material may apply in the permanent magnet tube-surface cladding of air cleaner.
Can be used for the preparation method of the cellular nano material of air cleaning the most as claimed in claim 1, it is characterised in that institute
Also including before stating step A fabric and raw-vermiculite is added to the water stirring mixing 4-8 hour, melting concn is that 13-37g/L obtains first
Fabric and raw-vermiculite solution, is dried the first Vermiculitum solution, grinds, and screening takes grinds fabric and raw-vermiculite less than 200 purposes one, carries out the most again
Fabric and raw-vermiculite is ground to powder by step A.
Can be used for the preparation method of the cellular nano material of air cleaning the most as claimed in claim 7, it is characterised in that institute
State the fabric and raw-vermiculite in step A and replace with acid PERFORMANCE OF MODIFIED VERMICULITE, alkali modification Vermiculitum or ammonium ion PERFORMANCE OF MODIFIED VERMICULITE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610316423.3A CN105854430B (en) | 2016-05-13 | 2016-05-13 | A kind of preparation method of the nano composite material for purification of air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610316423.3A CN105854430B (en) | 2016-05-13 | 2016-05-13 | A kind of preparation method of the nano composite material for purification of air |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105854430A true CN105854430A (en) | 2016-08-17 |
| CN105854430B CN105854430B (en) | 2017-05-31 |
Family
ID=56630974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610316423.3A Active CN105854430B (en) | 2016-05-13 | 2016-05-13 | A kind of preparation method of the nano composite material for purification of air |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105854430B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ306831B6 (en) * | 2016-11-07 | 2017-07-26 | Nanovia S.R.O. | A multilayer filter medium for air filtration |
| CN108854952A (en) * | 2018-06-06 | 2018-11-23 | 宁波暄妍日化科技有限公司 | A kind of preparation method of the composite material with air-cleaning function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030104937A1 (en) * | 2001-11-27 | 2003-06-05 | Sinha Rabindra K. | In-situ generation of special sorbents in combustion gases for the removal of mercury and other pollutants present in them |
| JP2010202924A (en) * | 2009-03-02 | 2010-09-16 | Central Glass Co Ltd | Reticulated porous structure and method for producing the same |
| CN102641719A (en) * | 2011-02-22 | 2012-08-22 | 徐海 | Load type composite silicate base active absorption material and preparation method of load type composite silicate base active absorption material |
| CN102658106A (en) * | 2012-05-10 | 2012-09-12 | 中国科学院新疆理化技术研究所 | Method for preparing acidification stripped vermiculite supported TiO2 photocatalyst |
| CN103071477A (en) * | 2012-12-20 | 2013-05-01 | 华南理工大学 | Composite material having visible-light catalytic activity and preparation method thereof |
| CN103641165A (en) * | 2013-12-13 | 2014-03-19 | 中国地质大学（武汉） | Method for preparing titanium dioxide nanotube by using natural mineral as formwork |
-
2016
- 2016-05-13 CN CN201610316423.3A patent/CN105854430B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030104937A1 (en) * | 2001-11-27 | 2003-06-05 | Sinha Rabindra K. | In-situ generation of special sorbents in combustion gases for the removal of mercury and other pollutants present in them |
| JP2010202924A (en) * | 2009-03-02 | 2010-09-16 | Central Glass Co Ltd | Reticulated porous structure and method for producing the same |
| CN102641719A (en) * | 2011-02-22 | 2012-08-22 | 徐海 | Load type composite silicate base active absorption material and preparation method of load type composite silicate base active absorption material |
| CN102658106A (en) * | 2012-05-10 | 2012-09-12 | 中国科学院新疆理化技术研究所 | Method for preparing acidification stripped vermiculite supported TiO2 photocatalyst |
| CN103071477A (en) * | 2012-12-20 | 2013-05-01 | 华南理工大学 | Composite material having visible-light catalytic activity and preparation method thereof |
| CN103641165A (en) * | 2013-12-13 | 2014-03-19 | 中国地质大学（武汉） | Method for preparing titanium dioxide nanotube by using natural mineral as formwork |
Non-Patent Citations (1)
| Title |
|---|
| 孙颖: "TiO2/蛭石复合材料的制备、表征和性能研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ306831B6 (en) * | 2016-11-07 | 2017-07-26 | Nanovia S.R.O. | A multilayer filter medium for air filtration |
| CN108854952A (en) * | 2018-06-06 | 2018-11-23 | 宁波暄妍日化科技有限公司 | A kind of preparation method of the composite material with air-cleaning function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105854430B (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101825321B (en) | Solar air conditioner | |
| CN108472580A (en) | Recuperation of heat absorber as the ventilating system in building | |
| CN1917907A (en) | Reactor unit for air-purifying and air purifier comprising the same | |
| CN108295610B (en) | Non-filtration formula air purification equipment | |
| CN103172402A (en) | Multifunctional porous purifying ceramic granular material and preparation method | |
| CN104437403A (en) | Cactus-containing antibacterial and anti-radiation activated carbon filtering material and preparation method thereof | |
| CN108558381A (en) | A kind of the diatomite nogging and preparation method of high-efficient purification room air | |
| CN104492405B (en) | Core-shell type molecular sieve microsphere as well as preparation method and application thereof | |
| CN107282033A (en) | It is a kind of to be used for photochemical catalyst that air V OC is handled and preparation method thereof | |
| CN105854430B (en) | A kind of preparation method of the nano composite material for purification of air | |
| CN207334897U (en) | A kind of fresh air system of atmosphere pollution | |
| CN109331604A (en) | A kind of lamellar graphite alkenyl titanium dioxide air cleaning filter material and preparation method | |
| CN102233267A (en) | Integrated photocatalyst and preparation method thereof | |
| CN107649145A (en) | A kind of catalyst of ozone decomposition and preparation method thereof | |
| CN209188325U (en) | Exhaust treatment system | |
| CN105712364A (en) | Method for expanding aluminosilicate mineral layered structure | |
| CN104841367A (en) | Composite activated carbon filter material added with nutshell and horseradish and preparation method of filter material | |
| CN107477658A (en) | Heating installation | |
| CN105920970B (en) | A kind of air cleaning unit suitable for large-scale public place | |
| CN206746330U (en) | A kind of molecular screen membranes of SAPO 56 | |
| CN105597517B (en) | Remove device and its application of smog smoke | |
| CN107218662A (en) | The VMC and manufacture method of a kind of atmosphere pollution | |
| CN109126692A (en) | Preparation method of high-performance TC-5A molecular sieve adsorbent | |
| CN104826589A (en) | Rice husk containing bactericidal active carbon filter material and preparation method thereof | |
| CN104669989A (en) | Automotive air purification ceramic ball |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170807 Address after: 312300 Shaoxing province Shangyu District Lake Lake Industrial Zone hundred Feng Road, No. 14 Patentee after: Zhejiang central Qingxin Cleaning Equipment Co., Ltd. Address before: 100020 Beijing City, Chaoyang District Road, No. 16 Wanghua floor 1 Patentee before: The pure and fresh artificial environment engineering of middle ring (Beijing) Co., Ltd |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181219 Address after: Room 901, 9th floor, Block A (Residential) Building, Huayan North Lijunfeng Huating Jiayuan, North Fourth Ring Road, Chaoyang District, Beijing Patentee after: The pure and fresh artificial environment engineering of middle ring (Beijing) Co., Ltd Address before: 312300 Baifeng Highway No. 14, Lianghu Industrial Zone, Shangyu District, Shaoxing City, Zhejiang Province Patentee before: Zhejiang central Qingxin Cleaning Equipment Co., Ltd. |