CN1351977A - Technology for preparing nanometer ceramic particle material with industrial propane - Google Patents
Technology for preparing nanometer ceramic particle material with industrial propane Download PDFInfo
- Publication number
- CN1351977A CN1351977A CN 01138728 CN01138728A CN1351977A CN 1351977 A CN1351977 A CN 1351977A CN 01138728 CN01138728 CN 01138728 CN 01138728 A CN01138728 A CN 01138728A CN 1351977 A CN1351977 A CN 1351977A
- Authority
- CN
- China
- Prior art keywords
- particle material
- ceramic particle
- nanometer ceramic
- propane
- technology
- 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.)
- Pending
Links
Images
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
The present invention relates to the field of new material technology, and a technique for prparing nm ceramic particle material by use of industrial propane. The present invention features the technological scheme of designing a combustion nozzle and controlling the particle for collecting temperature and pressure to prepare nanometer ceramic particle material with the flame gas phase deposition process. The present invention has simple technological process, producing nanometer ceramic particle material low cost in, high in product purity, with uniformly distributed grain sizes, high spherical degree, average grain size of 10-100 nm and controllable crystal form, etc. The nanometer ceramic particle material may find its wide application in catalyst, functional paint, functional fiber material, fine ceramic material, cosmetics, etc.
Description
Technical field
The invention belongs to new material technology field, specially referring to the commercial propane is the Technology that the flame vapour deposition process of fuel prepares nanometer ceramic particle material.
Background technology
Because nano material has unusual physical and chemical performance, the nano material particularly processing and the synthetic technology of nano-particle material is classified as the field of new of first developing by various countries.Traditional particulate material processing is used for the processing of nano-particle material and synthesizes shortcomings such as complex technical process is arranged with synthetic method.Though it is simple that existing flame vapour deposition process prepares the nano-particle material technological process, be fuel owing to adopt carbon monoxide or hydrogen, costing an arm and a leg of prepared nano-particle material is difficult to the marketization.The production cost height is that restriction flame vapour deposition process prepares the bottleneck problem that nano-particle material further develops.
Summary of the invention
The purpose of this invention is to provide with commercial propane Q/SH007.02.19-87 is the Technology that the flame vapour deposition process of fuel prepares nanometer ceramic particle material, thereby significantly reduce the production cost of nanometer ceramic particle material, make the production cost of nanometer ceramic particle material reach the market value of micrometer ceramics particulate material; Keep the flame vapour deposition process to prepare advantages such as the technology that nano-particle material has is simple, product purity is high, size distribution is even, sphericity is high, median size is controlled simultaneously.
Technical scheme of the present invention is that the design by burner noz(zle) makes it propane perfect combustion and does not produce carbon black and the flame temperature scope reaches 900～1600 ℃, makes the crystal with controllable crystal forms of nanometer ceramic particle material; Can make the ceramic setter thing enter flame and reactant gases generation chemical reaction generation nano-ceramic particle and burner noz(zle) is stopped up by burner noz(zle); By the control particle collect temperature at 200～700 ℃ to prevent that nano-ceramic particle is subjected to the pollution of other compound in hydrochloric acid and the technological process of the present invention; And make system's smooth running at 0～0.5 meter water column by the working pressure of control particle collection device.
Effect of the present invention and benefit are to have realized that with commercial propane Q/SH007.02.19-87 be the technological process that the flame vapour deposition process of fuel prepares nanometer ceramic particle material, have significantly reduced the production cost of nanometer ceramic particle material; Prepared nanometer ceramic particle material has the purity height, size distribution is even, sphericity is high, median size between 10～100 nanometers, advantage such as crystal with controllable crystal forms.The nanometer ceramic particle material such as the TiO of present technique preparation
2, SiO
2, ZnO, Al
2O
3, ZrO
2, TiN, AlN, ZnS, MoS
2Deng, catalysis, functional paint, functional fibre material, fine ceramics material, and field such as makeup have broad application prospects.
Description of drawings
Accompanying drawing is to be the burner noz(zle) structural representation that the flame vapour deposition process of fuel prepares the nanometer ceramic particle material technology with the commercial propane.
Among the figure:
(1) oxygen, nitrogen and reactant gases inlet mouth are with the fluid conveying stainless steel Welded Steel Pipe of 6 millimeters of calibers, 0.5 millimeter of wall thickness; Be used for delivering oxygen, nitrogen and reactant gases and enter oxygen, nitrogen and reactant gases diffuser.
(2) oxygen, nitrogen and reactant gases diffuser, material 1Cr18Ni9Ti, 19 millimeters of internal diameters; Be used for delivering oxygen, nitrogen and reactant gases and pass through burner noz(zle); Regulate flame temperature by control oxygen and nitrogen flow, when the volume flow ratio of commercial propane and oxygen and nitrogen during 1: 20～1: 50 scope, flame temperature is controlled between 900～1600 ℃; When the ratio of the volumetric flow rate of nitrogen and oxygen does not have soot formation during less than 1.5: 10.
(3) commercial propane inlet mouth is with the fluid conveying stainless steel Welded Steel Pipe of 6 millimeters of calibers, 0.5 millimeter of wall thickness; Be used for delivery industry propane and enter the commercial propane inlet pipe.
(4) commercial propane inlet pipe is the fluid conveying stainless steel Welded Steel Pipe of 16 millimeters of calibers, 1.2 millimeters of wall thickness; Be used for delivery industry propane and pass through burner noz(zle).
(5) shielding gas inlet mouth is with the fluid conveying stainless steel Welded Steel Pipe of 6 millimeters of calibers, 0.5 millimeter of wall thickness; Be used to carry shielding gas to enter the shielding gas inlet pipe.
(6) shielding gas inlet pipe is with the fluid conveying stainless steel Welded Steel Pipe of 11 millimeters of calibers, 1 millimeter of wall thickness; Be used to carry ceramic setter thing shielding gas by burner noz(zle), contact the obstruction burner noz(zle) that reacts with commercial propane in the burner noz(zle) exit to avoid the ceramic setter thing.
(7) ceramic setter thing feed-pipe is with the fluid conveying stainless steel Welded Steel Pipe of 8 millimeters of calibers, 1 millimeter of wall thickness; Be used to carry the ceramic setter thing to enter flame, and the ceramic setter thing is not contacted with commercial propane in burner noz(zle), stop up burner noz(zle) to avoid the reaction of ceramic setter thing and commercial propane by burner noz(zle); The ceramic setter thing is carried by the carrier gas of ceramic setter thing.
(8) gap adjustment pad is arranged between shielding gas inlet pipe (6) and the ceramic setter thing feed-pipe (7), is used to regulate the concentricity of shielding gas inlet pipe (6) and ceramic setter thing feed-pipe (7).
(9) gap adjustment pad is arranged between commercial propane inlet pipe (4) and the shielding gas inlet pipe (6), is used to regulate the concentricity of commercial propane inlet pipe (4) and shielding gas inlet pipe (6).
(10) burner noz(zle) top cover, material 1Cr18Ni9Ti, opening diameter in commercial propane induction part symmetry is 1.5 millimeters 6 in hole, opening diameter in oxygen, nitrogen and reactant gases induction part symmetry is 1.5 millimeters 12 in hole; Be used for fixing oxygen, nitrogen and reactant gases diffuser (2), commercial propane inlet pipe (4) and shielding gas inlet pipe (6); Be used to separate oxygen, nitrogen and reactant gases diffuser (2) and commercial propane inlet pipe (4), make it to form diffusion flame; Make commercial propane and oxygen, nitrogen and reactant gases to flow out burner noz(zle) at a high speed under the pressure of 0～0.5 meter water column so that the flame that forms does not stop working.
(11) burner noz(zle) top cover screw thread, the gap that is used to regulate commercial propane inlet pipe (4) and burner noz(zle) top cover (10) inboard is to form premixed flame, and flame temperature is controlled between 900～1600 ℃, makes the crystal with controllable crystal forms of nano-ceramic particle;
Embodiment
Below in conjunction with accompanying drawing, be described in detail specific embodiments of the present invention.
As prepare the titania nanoparticles material, and crystal formation is a rutile crystal type, and median size is 50 nanometers, and output is for per hour 4 restraining.
Raw materials used
Fuel: commercial propane, flow is for per hour 15 marking liter;
The ceramic setter thing: titanium tetrachloride, flow is for per hour 10 restraining;
The carrier gas of ceramic setter thing: nitrogen, flow is for per hour 60 marking liter;
Shielding gas: nitrogen, flow is for per hour 20 marking liter;
Reactant gases: oxygen, flow is for per hour 600 marking liter;
Flame kind: commercial propane inlet pipe (4) and the inboard no gap of burner noz(zle) top cover (10), diffusion flame;
Oxygen, nitrogen and reactant gases diffuser: no nitrogen.
Operation steps
Step 1: oxygen is per hour 600 to mark the flows of liter by oxygen, nitrogen and reactant gases inlet mouth (1) feeding nitrogen and reactant gases diffuser (2).
Step 2: commercial propane feeds propane inlet pipe (4) with the flows that 15 marks per hour rise by propane inlet mouth (3), and igniting simultaneously.
Step 3: protection nitrogen is per hour 20 to mark the flows of liter by shielding gas inlet mouth (5) feeding shielding gas inlet pipe (6).
Step 4: ceramic setter thing carrier gas nitrogen is per hour 60 to mark the flow feeding ceramic setter thing feed-pipe (7) that rises, to eliminate the wet air that retains in the ceramic setter thing feeding line.
Step 5: maintenance equipment reaches 200 ℃ with above parameter operation until the temperature of particle collection place, is subjected to the pollution of other compound in hydrochloric acid and the technological process of the present invention with the nano-ceramic particle that prevents to generate.
Step 6: the ceramic setter thing carrier gas nitrogen of switch step four makes it by ceramic setter thing titanium tetrachloride liquid, ceramic setter thing carrier gas nitrogen is carried ceramic setter thing titanium tetrachloride vapors by ceramic setter thing feed-pipe (7), enters commercial propane flame and oxygen generation chemical reaction generation titania nanoparticles under the protection protection of nitrogen gas; The temperature of ceramic setter thing titanium tetrachloride liquid will be controlled between 20～25 ℃, reaches per hour 10 grams to guarantee ceramic setter thing titanium tetrachloride flow.
Step 7: keep operation one hour, and the pressure of keeping particle collection device is lower than 0.5 meter water column, per hour can obtaining, 4 grams, median size are that 50 nanometers, crystal formation are the titania nanoparticles material of rutile.
Claims (3)
1. one kind prepares the nanometer ceramic particle material technology with commercial propane; be the Technology that the flame vapour deposition process prepares nanometer ceramic particle material, it is characterized in that in burner noz(zle), between the ceramic setter thing feed-pipe (7) and commercial propane inlet pipe (4) shielding gas inlet pipe (6) being set.
2. according to claim 1ly a kind ofly prepare the nanometer ceramic particle material technology with commercial propane, its feature also is between burner noz(zle) top cover (10) and commercial propane inlet pipe (4) the gap adjustment screw thread to be set, and flame temperature is at 900～1600 ℃.
3. according to claim 1ly a kind ofly prepare the nanometer ceramic particle material technology with commercial propane, its feature is also that particle is collected temperature must 200～700 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01138728 CN1351977A (en) | 2001-11-26 | 2001-11-26 | Technology for preparing nanometer ceramic particle material with industrial propane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01138728 CN1351977A (en) | 2001-11-26 | 2001-11-26 | Technology for preparing nanometer ceramic particle material with industrial propane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1351977A true CN1351977A (en) | 2002-06-05 |
Family
ID=4674697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01138728 Pending CN1351977A (en) | 2001-11-26 | 2001-11-26 | Technology for preparing nanometer ceramic particle material with industrial propane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1351977A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100425573C (en) * | 2004-02-27 | 2008-10-15 | 申佑芝 | Mfg. method of nano ceramics |
| CN104030551A (en) * | 2014-05-06 | 2014-09-10 | 湖州远光路标涂料有限公司 | Calcining spray gun |
| CN112902160A (en) * | 2021-01-22 | 2021-06-04 | 华中科技大学 | Gas distribution equipment for synthesizing nano particles by flame |
-
2001
- 2001-11-26 CN CN 01138728 patent/CN1351977A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100425573C (en) * | 2004-02-27 | 2008-10-15 | 申佑芝 | Mfg. method of nano ceramics |
| CN104030551A (en) * | 2014-05-06 | 2014-09-10 | 湖州远光路标涂料有限公司 | Calcining spray gun |
| CN112902160A (en) * | 2021-01-22 | 2021-06-04 | 华中科技大学 | Gas distribution equipment for synthesizing nano particles by flame |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wooldridge | Gas-phase combustion synthesis of particles | |
| CN1261329A (en) | Method and apparatus for forming silica by combustion of liquid reactants using a heater | |
| CN1037832C (en) | A method and device for the pyrolytic decomposition of hydrocarbons | |
| CN1915833A (en) | Oxidation reactor for preparing titanium white through chlorination process, and method | |
| CA2647621A1 (en) | Method and apparatus for nanopowder and micropowder production using axial injection plasma spray | |
| CN1246220C (en) | Method for mass preparing hollow nanometer carbon cages | |
| CN1721328A (en) | Method and apparatus for preparing fumed nano oxide | |
| CN1850598B (en) | Method and equipment for preparing nucleocapsid type TiO2/SiO2 nano composite granule | |
| Wang et al. | Low temperature preparation and characterization of TiO2 nanoparticles coated glass beads by heterogeneous nucleation method | |
| CN1810640A (en) | Process and apparatus for preparing dispersed composite nanometer TiO2/SiO2 particle | |
| Powell et al. | Gas-phase coating of TiO2 with SiO2 in a continuous flow hot-wall aerosol reactor | |
| CN107500757A (en) | A kind of preparation method for being densified alumina titanate ceramics | |
| CN1351977A (en) | Technology for preparing nanometer ceramic particle material with industrial propane | |
| CN106492779A (en) | The preparation method of core shell structure rare earth titanate dioxide composite nanofiber catalysis material | |
| JPH07265689A (en) | Production of ceramic fine powder by thermal decomposition of mist | |
| CN1886341A (en) | Synthesis of ultrafine rutile phase titanium dioxide particles at low temperature | |
| KR20180100580A (en) | Method for producing titanium oxide fine particles | |
| TW200531937A (en) | Manufacturing apparatus for porous glass preform and glass preform for optical fiber | |
| CN1261222C (en) | Process for preparing Al2O3 aerogel carried catalyst and its application in preparing nano carbon tubes by catalytic cracking of methane | |
| CN106219605B (en) | A method of rutile type nano titanic oxide is prepared using oxyhydrogen flame stove | |
| US6339940B1 (en) | Synthetic quartz glass manufacturing process | |
| CN1186263C (en) | Continuous quasi-gas phase process and apparatus for preparing spherical nanometer Zr(OH)4 particle | |
| CN101041455A (en) | Preparation of nano single oxide and composite powder by CVD high-temperature hydrolyzing process | |
| CN1824620A (en) | Apparatus for fabricating optical fiber preform through external vapor deposition process | |
| CN206529301U (en) | A kind of oxyhydrogen flame stove for preparing rutile type nano titanic oxide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |