CN105948064A - Device and technology for preparing silicon dioxide microcrystal powder with fractal dimension section from wheat straw - Google Patents
Device and technology for preparing silicon dioxide microcrystal powder with fractal dimension section from wheat straw Download PDFInfo
- Publication number
- CN105948064A CN105948064A CN201610305272.1A CN201610305272A CN105948064A CN 105948064 A CN105948064 A CN 105948064A CN 201610305272 A CN201610305272 A CN 201610305272A CN 105948064 A CN105948064 A CN 105948064A
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- CN
- China
- Prior art keywords
- straw
- silicon dioxide
- wheat straw
- dimension section
- incinerating container
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- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
Abstract
The invention discloses a device and a technology for preparing silicon dioxide microcrystal powder with the fractal dimension section from wheat straw and relates to the field of technologies. The technology for pretreating the wheat straw with dilute acid comprises the following processes: 1. the wheat straw is ground into small particles with diameter being about 1 mm; 2. the mass percentage of the dilute acid is 0.5%-1.0%; thirdly, a dilute acid solution is mixed with the to-be-treated wheat straw, the mixture is heated, the heating temperature is raised to 90 DEG C plus or minus 2 DEG C serving as the preset temperature, and the treatment time is 19-27 min. The rotation speed of a motor 5 is rapidly regulated, and the water flow speeds in a heat exchange outer sleeve 16 and a hollow pipe of a central shaft 12 are regulated, so that the incinerating temperature of the wheat straw in an incinerating container fluctuates rapidly at 1700 DEG C plus or minus 90 DEG C and keeps a stable fluctuation axis, and the silicon dioxide microcrystal powder is prompted to form the fractal dimension section. According to the device and the technology, silicon dioxide microcrystal powder with the fractal dimension section is prepared from the wheat straw as the renewable resource, and accordingly, the performance of maintaining cold strength and high-temperature strength of the silicon dioxide microcrystal powder in coal briquettes is further enhanced.
Description
Technical field
The present invention relates to Technology field, be specifically related to a kind of straw and make a point titanium dioxide for dimension section
The device of silicon micro-crystal powder and technique.
Background technology
The structure and properties of the natural lignocellulose material of straw is extremely complex, and hemicellulose passes through hydrogen bond
Being connected with cellulose, its side chain is connected with lignin by ferulic acid or aldehydic acid, and hemicellulose and lignin are by fibre
Dimension element wraps up, and defines the polymer being difficult to be degraded by Institute of Micro-biology.
Silicon dioxide micro-crystal powder, white powder, SiO2The transition metal such as content is 99.99%, impurity such as ferrum
Element is less than 0.005%, keeps the inconvenience of former quartz crystal lattice, hardness and fusing point high, and electrical insulating property is good, heat conduction
Coefficient and linear expansion coefficient are low, and Kang Fenghua is corrosion-resistant, stable chemical performance, are suitable to make optical fiber cable,
Quartz-optical glass etc..Can be used for the fields such as satellite communication, MISSILE LAUNCHING, astronomical radio telescope.Product
(such as purity is less than 99%) that matter is the poorest, also there are quite varied purposes, the most unsetting fire proofed wood
Material, moulded coal take into account cold strength and elevated temperature strength etc..
Existing silicon dioxide micro-crystal powder, is by-product when smelting ferrosilicon and industrial silicon, and purity is very
Low, it is the moulded coal key reinforcing agent of taking into account cold strength and elevated temperature strength.Silicon dioxide micro-crystal powder mostly is
Spherical.Such as, Yang Yanqing et al. has just delivered so that " it is micro-that oxygen acetylene flame method prepares preparing spherical SiO 2
Crystalline flour " technology.In terms of geometric angle, spheroidal particle is unfavorable for the combination of material, is unfavorable for playing two
Silicon oxide micro-crystal powder is for the potentiation of concrete.
Summary of the invention
Present invention aims to defect and the deficiency of prior art, it is provided that a kind of making of straw is divided
The device of the silicon dioxide micro-crystal powder of dimension section and technique, it is raw material by using Renewable resource straw,
Making has a point dimension section silicon dioxide micro-crystal powder, to promote silicon dioxide micro-crystal powder further in moulded coal
Keep cold strength and the performance of elevated temperature strength.
For achieving the above object, the technical solution used in the present invention is: it comprises Horizontal tubular incinerating container 9,
The top, one end of incinerating container 9 is provided with material hand-hole and is connected with straw storehouse body 1, straw storehouse body 1
Side is provided with gate 2, and the other end of incinerating container 9 is provided with discharging opening 14 and outlet flue, discharging opening
14 connect in receiving hopper 13, and outlet flue is connected with chimney 17, incinerating container 9 be internally provided with spiral
Pusher 11, the outside of incinerating container 9 is provided with heat exchange overcoat by about 2/3 section of discharging opening 14 end
16, the two ends of heat exchange overcoat 16 are connected to water inlet pipe 15 and the second outlet pipe 10, auger
The central shaft 12 of device 11 is hollow axle, and the two ends of central shaft 12 connect water inlet pipe 15 and first respectively and go out
Water pipe 4, the lower section of the first outlet pipe 4 is provided with decelerator 6, and decelerator 6 is connected with motor 5, burns
Being provided with blast orifice 8 below the feeding end of container 9, blast orifice 8 is connected with aerator 7.
Described Horizontal tubular incinerating container 9 is two bodies of heater in parallel.
The present invention uses the technological process of dilute acid pretreatment straw to be: 1, straw is ground into particle diameter and is about 1mm
Little granule, 2, the mass percent of diluted acid be 0.5%～1.0%, 3, by dilute acid soln and pending wheat
Stalk mixes, and heats, and heating-up temperature rises to preset temperature 90 DEG C ± 2 DEG C, and the process time is 19
Second～27 minutes.
When the present invention uses, straw enters the feeding end of incinerating container 9 from straw storehouse 1 through the gravity flow of material hand-hole,
Start buncher 5 and drive spiral propeller 1 by decelerator 6 and drive 2, straw is brought into burning and holds
In device 9, spiral propeller 1 is buried by straw, lights straw with machine oil from lighting-up tuyere when coming into operation；
Starting fluid Supplying apparatus makes liquid enter the center of heat exchange overcoat 16 and screw impeller from water inlet pipe 15
The hollow pipe of axle 12；Outlet pipe 10 and 4 is connected to heat utilization equipment, installs material conveying below discharge bucket 13
Band, installs temperature measuring equipment in incinerating container；Handed over by heat by the quickly rotating speed of regulation motor 5, regulation
Change overcoat 16 and the water velocity of central shaft 12 hollow pipe, make straw incineration temperature in incinerating container exist
1700 DEG C ± 90 DEG C rapid fluctuations, and keep stable fluctuation axis, promote silicon dioxide micro-crystal powder to be formed
Divide dimension section.
The method have the advantages that by using Renewable resource straw be raw material, making has
Divide dimension section silicon dioxide micro-crystal powder, in moulded coal, keep cold conditions with lifting silicon dioxide micro-crystal powder further
Intensity and the performance of elevated temperature strength.
Accompanying drawing explanation
Fig. 1 is the structural representation of assembly of the invention.
Description of reference numerals:
1-straw storehouse body；2-gate；4-the first outlet pipe 4；5-motor；6-decelerator；7-aerator；
8-blast orifice；9-incinerating container；10-the second outlet pipe；11-screw impeller；12-central shaft；13-
Receiving hopper；14-discharging opening；15-water inlet pipe；16-heat exchange overcoat；17-chimney.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
Referring to as it is shown in figure 1, this detailed description of the invention by the following technical solutions: it comprises Horizontal tubular
Incinerating container 9, the top, one end of incinerating container 9 is provided with material hand-hole and is connected with straw storehouse body 1, wheat
The side of stalk storehouse body 1 is provided with gate 2, and straw can pass through gate from straw storehouse 1 in the way of flow by gravity
2 feed ends entering this incinerating container 9, the other end of incinerating container 9 is provided with discharging opening 14 and smoke
Mouthful, discharging opening 14 is connected with receiving hopper 13, and outlet flue is connected with chimney 17, the inside of incinerating container 9
Being provided with screw impeller 11, screw impeller 11 is driven by buncher 5 and decelerator 6 thereof, logical
Cross granular material in this screw impeller 11 can make incinerating container 9 and move on to discharge port end from feeding end；Burn
The outside of baking vessel 9 is provided with heat exchange overcoat 16, heat exchange overcoat by about 2/3 section of discharging opening 14 end
The two ends of 16 are connected to water inlet pipe 15 and the second outlet pipe 10, the central shaft 12 of screw impeller 11
For hollow axle, the two ends of central shaft 12 connect water inlet pipe 15 and the first outlet pipe 4, the first outlet pipe respectively
The lower section of 4 is provided with decelerator 6, and decelerator 6 is connected with motor 5, below the feeding end of incinerating container 9
Being provided with blast orifice 8, blast orifice 8 is connected with aerator 7, and blast orifice 9 makees again lighting-up tuyere and access hole.
Described Horizontal tubular incinerating container 9 is two bodies of heater in parallel.
The present invention uses the technological process of dilute acid pretreatment straw to be: 1, straw is ground into particle diameter and is about 1mm
Little granule, 2, the mass percent of diluted acid be 0.5%～1.0%, 3, by dilute acid soln and pending wheat
Stalk mixes, and heats, and heating-up temperature rises to preset temperature 90 DEG C ± 2 DEG C, and the process time is 19
Second～27 minutes.
When apparatus of the present invention use, straw enters the pan feeding of incinerating container 9 from straw storehouse 1 through the gravity flow of material hand-hole
End, starts buncher 5 and drives spiral propeller 1 by decelerator 6 and drive 2, brought into by straw and burn
In baking vessel 9, spiral propeller 1 is buried by straw, lights wheat with machine oil from lighting-up tuyere when coming into operation
Stalk；Starting fluid Supplying apparatus makes liquid enter heat exchange overcoat 16 and screw impeller from water inlet pipe 15
The hollow pipe of central shaft 12；Outlet pipe 10 and 4 is connected to heat utilization equipment, installs material below discharge bucket 13
Conveyer belt, installs temperature measuring equipment in incinerating container；Passed through by the quickly rotating speed of regulation motor 5, regulation
Heat exchange overcoat 16 and the water velocity of central shaft 12 hollow pipe, make straw burning temperature in incinerating container
Spend 1700 DEG C ± 90 DEG C rapid fluctuations, and keep stable fluctuation axis, promote silicon dioxide micro-crystal powder
Form a point dimension section.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment,
And without departing from the spirit or essential characteristics of the present invention, it is possible to real in other specific forms
The existing present invention.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and
Being nonrestrictive, the scope of the present invention is limited by claims rather than described above, therefore purport
All changes in falling in the implication of equivalency and scope of claim are included in the present invention.
Should not be considered as limiting involved claim by any reference in claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, but the most each reality
Mode of executing only comprises an independent technical scheme, and this narrating mode of description is only for understand
Seeing, those skilled in the art should be using description as an entirety, and the technical scheme in each embodiment is also
Other embodiments that it will be appreciated by those skilled in the art that can be formed through appropriately combined.
Claims (3)
1. make point device of the silicon dioxide micro-crystal powder of dimension section and a technique with straw, use straw system
Make a point device for the silicon dioxide micro-crystal powder of dimension section and comprise Horizontal tubular incinerating container, the one of incinerating container
End top is provided with material hand-hole and is connected with straw storehouse body, and the side of straw storehouse body is provided with gate, burns
The other end of baking vessel is provided with discharging opening and outlet flue, and discharging opening connects in receiving hopper, outlet flue and cigarette
Chimney connect, incinerating container be internally provided with screw impeller, the outside of incinerating container by discharge port end about
Being provided with heat exchange overcoat at 2/3 section, the two ends of heat exchange overcoat are connected to water inlet pipe and the second water outlet
Pipe, the central shaft of screw impeller is hollow axle, and the two ends of central shaft connect water inlet pipe and first respectively and go out
Water pipe, the lower section of the first outlet pipe is provided with decelerator, and decelerator is connected with motor, entering of incinerating container
Being provided with blast orifice below material end, blast orifice is connected with aerator.During use, straw from straw storehouse through thing
Material hand-hole gravity flow enters the feeding end of incinerating container, starts buncher and is driven by decelerator and drive
Spiral propeller, brings into straw in incinerating container, and spiral propeller is buried by straw, is coming into operation
Time light straw with machine oil from lighting-up tuyere；Starting fluid Supplying apparatus makes liquid enter heat exchange from water inlet pipe
The hollow pipe of the central shaft of overcoat and screw impeller；Outlet pipe is connected to heat utilization equipment, under discharge bucket
Material conveyer belt is installed by side, installs temperature measuring equipment in incinerating container；It is characterized in that by quickly regulation
The rotating speed of motor, regulation, by heat exchange overcoat and the water velocity of central shaft hollow pipe, make straw burn
Incineration temperature in baking vessel is 1700 DEG C ± 90 DEG C rapid fluctuations, and keeps stable fluctuation axis, promotees
Silicon dioxide micro-crystal powder is made to form a point dimension section.
A kind of straw the most according to claim 1 makes point silicon dioxide micro-crystal powder of dimension section
Device and technique, straw makes point technique of the silicon dioxide micro-crystal powder of dimension section for first to carry out pre-to straw
Process, it is characterised in that the technological process of employing dilute acid pretreatment straw is: 1, straw is ground into particle diameter
Be about 1mm little granule, 2, the mass percent of diluted acid be 0.5%～1.0%, 3, by dilute acid soln with treat
The straw processed mixes, and heats, heating-up temperature rises to preset temperature 90 DEG C ± 2 DEG C, during process
Between be 19 seconds～27 minutes.
A kind of straw the most according to claim 1 makes point silicon dioxide micro-crystal powder of dimension section
Device and technique, it is characterised in that make in point device of the silicon dioxide micro-crystal powder of dimension section of straw
Horizontal tubular incinerating container is two bodies of heater in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610305272.1A CN105948064A (en) | 2016-05-10 | 2016-05-10 | Device and technology for preparing silicon dioxide microcrystal powder with fractal dimension section from wheat straw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610305272.1A CN105948064A (en) | 2016-05-10 | 2016-05-10 | Device and technology for preparing silicon dioxide microcrystal powder with fractal dimension section from wheat straw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105948064A true CN105948064A (en) | 2016-09-21 |
Family
ID=56914524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610305272.1A Pending CN105948064A (en) | 2016-05-10 | 2016-05-10 | Device and technology for preparing silicon dioxide microcrystal powder with fractal dimension section from wheat straw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105948064A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113929103A (en) * | 2020-12-30 | 2022-01-14 | 连云港威晟硅材料有限公司 | Preparation method and application of nano-scale spherical silicon micro powder |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2767419Y (en) * | 2005-02-24 | 2006-03-29 | 华南理工大学 | Device for burning nano silica dioxide by use of rice husk |
-
2016
- 2016-05-10 CN CN201610305272.1A patent/CN105948064A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2767419Y (en) * | 2005-02-24 | 2006-03-29 | 华南理工大学 | Device for burning nano silica dioxide by use of rice husk |
Non-Patent Citations (1)
| Title |
|---|
| 《能源工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113929103A (en) * | 2020-12-30 | 2022-01-14 | 连云港威晟硅材料有限公司 | Preparation method and application of nano-scale spherical silicon micro powder |
| CN113929103B (en) * | 2020-12-30 | 2022-06-14 | 连云港威晟硅材料有限公司 | Preparation method and application of nanoscale spherical silicon micropowder |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160921 |