CN207061888U - A kind of device that superfine powder is prepared using self-propagating reaction - Google Patents
A kind of device that superfine powder is prepared using self-propagating reaction Download PDFInfo
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- CN207061888U CN207061888U CN201720775459.8U CN201720775459U CN207061888U CN 207061888 U CN207061888 U CN 207061888U CN 201720775459 U CN201720775459 U CN 201720775459U CN 207061888 U CN207061888 U CN 207061888U
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- powder
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 27
- 239000000843 powder Substances 0.000 title claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 10
- 239000010439 graphite Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000498 cooling water Substances 0.000 claims abstract description 5
- 239000002893 slag Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 238000003786 synthesis reaction Methods 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000007788 roughening Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000002826 coolant Substances 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000001902 propagating effect Effects 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910000416 bismuth oxide Inorganic materials 0.000 description 2
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002086 nanomaterial Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000003832 thermite Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model belongs to superfine powder preparing technical field, more particularly to a kind of device that superfine powder is prepared using self-propagating reaction.Including reaction unit, collection device and electronic ignition device;The reaction unit is the graphite crucible of bottom opening, is placed on the surface of collection slag plate;The collection device is the cylindrical appliance that bottom is emptied, and recirculated cooling water is connected between outer wall and inwall, and inwall does roughening treatment, is easy to collect target powder.The upper end of wherein outer wall is provided with water inlet, and the lower end of outer wall is provided with delivery port.Its advantage is:Good cooling results, avoid the product fast growth of synthesis;Cooling agent is recirculated water, and cost is low;Remotely lighted a fire, simple to operate, safe ready, can be recycled for multiple times using electronic ignition device;Locking device, improve yield;Graphite crucible bottom opening, the accumulation of reaction residues can be effectively avoided, be easy to the cleaning of reaction chamber, and can prevents that reaction pressure is too high in crucible, causes reaction violent, product is impure.
Description
Technical field
The utility model belongs to superfine powder preparing technical field, is prepared more particularly to one kind using self-propagating reaction
The device of superfine powder.
Background technology
At present, common superfine powdery material preparation method mainly has:Mechanical attrition method, hydro-thermal method, CVD, PVD, carbon heat
Reducing process, calcination method, sol-gal process, masterplate method etc..Big, preparation technology flow is put into and mostly there is synthesis device in these methods
The shortcomings of complexity, energy consumption are too high, and preparation efficiency is relatively low.SHS technology, mainly by the oxidation of thermite also
Original reaction, the reaction of system Physical Chemistry of Metallurgy is induced, form combustion wave, abrupt release heat melts product sprays system, makes it
It is controlled to cool down so as to obtain superfine powdery material.The method have production efficiency is high, easy to operate, technological process is few, low energy consumption,
Low cost, the advantages that product purity is high, there is wide market-oriented prospect.
At present, most of self propagating high temperature devices are mainly used in compact block material and cellular solid synthesis, it is impossible to
Directly obtain scattered micro/nano level material.Because SHS process has very strong system specific aim, often prepare not
Device used in the product of same type also differs widely.Although patent CN201220398585, CN201220175591,
201620879050.6,201620879141.X be the self-spreading high-temperature synthesizing device for preparing nano material, but these devices
In the presence of the shortcomings that insufficient is cooled down, cause the nano material of synthesis easily to be grown up, influence material property.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of dress that superfine powder is prepared using self-propagating reaction
Put, the device good cooling results, cost are low, simple in construction, and Product yields are high.
A kind of device that superfine powder is prepared using self-propagating reaction, including reaction unit, collection device and electronic ignition
Device;The reaction unit is the graphite crucible of bottom opening, is placed on the surface of collection slag plate;
The collection device is the cylindrical appliance that bottom is emptied, and recirculated cooling water, inwall are connected between outer wall and inwall
Roughening treatment is done, is easy to collect target powder.The upper end of wherein outer wall is provided with water inlet, and the lower end of outer wall is provided with delivery port.
The material of the collection device is 304 stainless steels.
The electronic lighter includes electric igniter, battery case, switch and wire, and wherein electric igniter is red phosphorus, position
In the pyrophoric powder in reaction unit, electric igniter is connected by wire with the switch and battery case of outside.Wherein in battery case
For a section alkaline dry battery, the power supply as electronic striking;Switch and switched for common key-press.
The utility model has the advantages that:Good cooling results, ensure that product is received in whole process by using circulating water
Collection inner wall temperature is relatively low, avoids the powder body material fast growth of synthesis;Cooling agent is recirculated water, reduces and prepares cost;Use electricity
Sub- igniter is remotely lighted a fire, simple to operate, safe ready, and switch, wire, battery case can be recycled for multiple times;It is whole
Individual device is locking device so that Product yields significantly improve;Graphite crucible reactor bottom perforate, on the one hand effectively avoid anti-
Answer residue to be accumulated in crucible, be easy to the cleaning of reaction chamber, on the other hand can prevent that reaction pressure is too high in crucible, cause to react
Excessively acutely, product purity is impacted.
Brief description of the drawings
Fig. 1 is a kind of structural representation of self propagating high temperature device of the utility model
Wherein, 1- graphite crucibles, 2- reactant powders, 3- pyrophoric powders, 4- paper gaskets, 5- collection slag plate, 6- electric igniters, 7-
Wire, 8- controlling switches, 9- battery cases, 10- delivery ports, 11- water inlets, 12- cooling waters, 13- powder products, 14- collect dress
Put.
Embodiment
It will be helpful to understand the present invention by the following description of the embodiments, but be not intended to limit present disclosure.
Embodiment 1
Below in conjunction with the accompanying drawings, the utility model is further described:According to Fig. 1, one kind is anti-using self- propagating
The device of superfine powder, including reaction unit, collection device and electronic ignition device should be prepared;The reaction unit is opened for bottom
The graphite crucible in hole, it is placed on the surface of collection slag plate;
The collection device is the cylindrical appliance that bottom is emptied, and recirculated cooling water, inwall are connected between outer wall and inwall
Roughening treatment is done, is easy to collect target powder.The upper end of wherein outer wall is provided with water inlet, and the lower end of outer wall is provided with delivery port.
The collection device is 304 stainless steel devices.
The electronic lighter includes electric igniter, battery case, switch and wire.Wherein electric igniter is red phosphorus, will
It is connected with plain conductor with external switch and battery case.It is a section alkaline dry battery wherein in battery case, as electronic striking
Power supply;Switch and switched for common key-press.
The utility model is realized in the following way:Al, Bi are weighed according to certain mass ratio2O3、Al2O3、NaCl、
SiO2, CaO powder and be well mixed, as reactant powders 2;Paper gasket 4 is put into the bottom of graphite crucible 1, bottom is blocked and leads to
Hole;Then dried reactant powders 2 are fitted into graphite crucible 1, and in surface spreading pyrophoric powder 3, insertion electronic striking
The electric igniter 6 of device;Collection device 14 is covered on directly over graphite crucible 1, controlling switch 8 is pressed, is filled by electronic striking
Ignition reaction system is put, after question response terminates, product cooling is waited, the bismuth oxide of generation is collected on the inwall of collection device 14
Powder.
Involved related chemistry reaction mainly has:
2Al+Bi2O3=2Bi+Al2O3
4Bi+3O2=2Bi2O3
The product proves through X-ray diffraction, the characterization result of SEM:Gained is high-purity submicron order ball
Shape Bismuth oxide particles, between its particle diameter is about 200nm-300nm.
The utility model is not limited to above example, every that above example is made according to the technical essence of the utility model
Any simple modification, equivalent change and modification, still fall within the scope of protection of the utility model.
Claims (4)
- A kind of 1. device that superfine powder is prepared using self-propagating reaction, it is characterised in that including reaction unit, collection device and Electronic ignition device;The reaction unit is the graphite crucible of bottom opening, is placed on the surface of collection slag plate;The collection device is the cylindrical appliance that bottom is emptied, and recirculated cooling water is connected between outer wall and inwall, inwall is done slightly Change is handled, and is easy to collect target powder.
- 2. device according to claim 1, it is characterised in that:The material of the collection device is 304 stainless steels.
- 3. device according to claim 1, it is characterised in that:The upper end of the collection device outer wall is provided with water inlet, outside The lower end of wall is provided with delivery port.
- 4. device according to claim 1, it is characterised in that:The electronic ignition device include electric igniter, battery case, Switch and wire, wherein electric igniter is red phosphorus, and in the pyrophoric powder in reaction unit, electric igniter passes through wire and outside Switch connected with battery case.
Priority Applications (1)
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CN201720775459.8U CN207061888U (en) | 2017-06-29 | 2017-06-29 | A kind of device that superfine powder is prepared using self-propagating reaction |
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CN201720775459.8U CN207061888U (en) | 2017-06-29 | 2017-06-29 | A kind of device that superfine powder is prepared using self-propagating reaction |
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CN207061888U true CN207061888U (en) | 2018-03-02 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111834656A (en) * | 2020-07-25 | 2020-10-27 | 山东交通学院 | Optimized single-phase doped lanthanum gallate electrolyte preparation device and method |
-
2017
- 2017-06-29 CN CN201720775459.8U patent/CN207061888U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111834656A (en) * | 2020-07-25 | 2020-10-27 | 山东交通学院 | Optimized single-phase doped lanthanum gallate electrolyte preparation device and method |
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Effective date of registration: 20190226 Address after: 430074 No. 16 Fozuling Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: Wuhan North New Environmental Technology Development Co., Ltd. Address before: No. 188 Renai Road, Suzhou Industrial Park, Jiangsu Province, 215000 Patentee before: Suzhou Institute of Wuhan University |