CN209554799U - Adulterate the production equipment of silicon monoxide - Google Patents

Abstract

The utility model provides a kind of production equipment for adulterating silicon monoxide, it is related to nano material preparation facilities field, including reaction unit, the doped source supply unit with the doped source decomposer of the reaction unit pipeline connection and with the doped source decomposer pipeline connection, steam inlet and exhaust outlet are respectively equipped on the reaction unit, exhaust ports are equipped with exhaust valve.The utility model structure is simple, easy to operate, can effectively improve doping effect, is conducive to industrialized production.

Description

Adulterate the production equipment of silicon monoxide

Technical field

The utility model relates to nano material preparation facilities technical field, specially a kind of production for adulterating silicon monoxide is set It is standby.

Background technique

Lithium ion battery negative material is based on carbon-based material at present, including natural graphite and artificial graphite, but its Lower theoretical capacity (372mAh/g) has no longer adapted to lithium ion battery to the demand for development of high capacity, small size.Cause This, there is an urgent need to develop the high capacity type cathode material of lithium ion battery that one kind can substitute graphite material by people.Many Alternative material in, silicon materials become substitution natural graphite and people because having high specific capacity (theoretical value 4200mAh/g) Make a kind of material of the great potential of graphite.Silicon monoxide is used for negative electrode of lithium ion battery, has higher theoretical specific capacity, but Silicon monoxide resistivity itself is big, so that battery reversible capacity is decayed rapidly, is particularly acute under high magnification.

However usually research emphasis is through chemical method at it in the existing conductivity technology for improving silicon monoxide Surface introduces mechanical and electric conductivity excellent carbon material or conducting polymer, to specifically for the life for improving its high conductivity Produce that equipment research is less, it is a small number of the production of its own conductivity improved by doping silicon monoxide in the equipment that uses often grasp Make complexity, flexibility is poor, causes doping effect undesirable.

Utility model content

Based on technical problem present in background technique, the utility model proposes kind of the productions of doping silicon monoxide to set Standby, structure is simple, easy to operate, can effectively improve doping effect, is conducive to industrialized production.

To achieve the above object, the utility model provides the following technical solutions:

A kind of production equipment for adulterating silicon monoxide, the doping including reaction unit and the reaction unit pipeline connection Source decomposer and doped source supply unit with the doped source decomposer pipeline connection are respectively equipped with steam on the reaction unit Entrance and exhaust outlet, exhaust ports are equipped with exhaust valve.

It preferably, further include feedway, vacuum pump and the exhaust gas processing device for generating silicon monoxide steam, the supply Device is connected to by the steam inlet with the reaction unit, and the vacuum pump inlet end is connected to the exhaust outlet, vacuum Pump output terminal is connected to the exhaust gas processing device.

Preferably, the doped source supply unit includes oxygen branch, carrier gas branch and carrier gas branch, the carrier gas branch The source of being equipped with bottle.

Preferably, it is dry to be successively arranged gas respectively for oxygen branch, carrier gas branch and carrier gas branch curb gas flow direction Dry filter, flowmeter and intake valve.

Preferably, the fluid channel of detour is equipped with inside the reaction unit.

Preferably, several partitions are equipped with inside the reaction unit, several partitions are staggered to form the fluid channel.

Preferably, the fluid channel first end is air inlet, and second end is gas outlet, the doped source decomposer and institute Air inlet connection is stated, the steam inlet is correspondingly arranged at the air inlet, and the exhaust outlet is correspondingly arranged at the gas outlet.

Preferably, the source bottle is set between the intake valve and doped source decomposer, and source bottle is outer to be arranged with thermostat.

The utility model embodiment provide it is a kind of adulterate silicon monoxide production equipment, have it is following the utility model has the advantages that

1, gaseous state silicon monoxide is entered in reaction unit by steam inlet, and dopant divides in doped source decomposer in advance Solution and preheating then adulterate uniform in effect, and be nano junction directly with gaseous state silicon monoxide mixing and doping in reaction unit Doping on structure, compared with adulterating again after crushing silicon monoxide, doping effect is more preferable and easy to operate；

2, it into before reaction unit, first passes through feedway and prepares silicon monoxide steam, prepared by doped source decomposer Dopant and make dopant reach can directly participate in reaction preset temperature, equipment can satisfy to reaction front and back temperature of charge Effective control, be conducive to the regulation of reaction condition, high production efficiency, structure is simple.

3, the selectivity diversification of dopant, flexibility is high, and safe easy to operate, is advantageously implemented industrialized production.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the utility model structural scheme of mechanism.

Fig. 2 is the utility model reaction unit schematic view of the front view.

Fig. 3 is the utility model reaction unit overlooking structure diagram.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

Embodiment 1:

As shown in attached drawing 1, attached drawing 2 and attached drawing 3, it is a kind of adulterate silicon monoxide production equipment, including reaction unit 1, with The doped source decomposer 3 of the reaction unit pipeline connection and doped source supply unit with the doped source decomposer pipeline connection 4, steam inlet and exhaust outlet are respectively equipped on the reaction unit, exhaust ports are equipped with exhaust valve.Dopant is adulterating in advance It is decomposed in the decomposer of source and preheating, gaseous state silicon monoxide enters in reaction unit from steam inlet, condense in reaction unit It directly participates in reacting with dopant simultaneously, i.e. the generation and doping of silicon monoxide particle are completed at the same time, after reaction the row of opening Residue in reaction unit is discharged clean, doping uniform in effect, and easy to operate, the nanometer one being prepared by air valve Not only particle size uniformity, doped chemical are also uniformly distributed silica, and the method for doping in one step preparation effectively increases an oxidation The conductivity of silicon.

It further, further include feedway 5, vacuum pump 2 and the exhaust gas processing device 6 for generating silicon monoxide steam, it is described Feedway 5 is connected to by the steam inlet with the reaction unit 1, and 2 inlet end of vacuum pump and the exhaust outlet connect Logical, 2 output end of vacuum pump is connected to the exhaust gas processing device 6.Feedway is made of shell and charging crucible, Ke Yidan It is solely heated, generates the raw material silicon powder of silicon monoxide and SiO 2 powder is contained in charging crucible, by raw material Heating, raw material can react generate silicon monoxide steam evaporate, into reaction unit.The purposes of exhaust treatment system is The pernicious gas generated in the production process is handled, the general method for using alkaline solution absorption, alkaline solution can use hydrogen The aqueous solution etc. of calcium oxide.

Further, the doped source supply unit 4 includes oxygen branch 41, carrier gas branch 42 and carrier gas branch 43, described Carrier gas branch 43 is equipped with source bottle 44, and oxygen branch, carrier gas branch and carrier gas branch curb gas flow direction are successively set respectively There are gas dry filter 48, flowmeter 45 and intake valve 46, source bottle 44 is set between the intake valve and doped source decomposer, Source bottle is outer to be arranged with thermostat 47.Source bottle is placed in Thermostating water device for holding liquid doped source substance, and carrier gas is straight It connects inside liquid doped source, takes doped source gasification out of source bottle, last diluent gas, reaction gas and carrying doped source Carrier gas enters together in doped source decomposer, and doped source is resolved into the oxide containing doped chemical.The work of doped source decomposer Be by out of source bottle the dopant that evaporates resolve into the oxide containing doped chemical, the doping oxide carrier gas with It is transported in reaction unit under the drive of diluent gas, is mixed with silicon monoxide steam, finally condensation forms oxide-doped one Silica.After the raw material in anti-feedway all gasifies, intake valve is closed, and carry out to the heating temperature in reaction unit Adjustment, allows the oxide containing doped chemical to react with silicon monoxide, generates simple substance dopant, to obtain one oxidation of doping Silicon.

Further, the reaction dress, 1 inside are equipped with the fluid channel 11 of detour, are equipped with several partitions inside reaction unit 1 12, several partitions 12 are staggered to form the fluid channel 11, and 11 first end of fluid channel is air inlet, and second end is exhaust outlet, The doped source decomposer 3 is connected to the air inlet, and the steam inlet is correspondingly arranged at the air inlet, the exhaust outlet It is correspondingly arranged at the gas outlet.Make to form fluid channel, dopant and silicon monoxide inside reaction unit by several partitions Steam starts to react at air inlet, lengthens residence time of the gas in reaction unit by circuitous channel, makes reaction more Sufficiently, it finally under the drive of vacuum pump, is discharged from gas outlet.

In summary: the silicon monoxide doped with simple substance P, N, the silicon monoxide of the doping can be obtained through the above steps Compared with not adulterating, conductivity is greatly improved.Illustrate that silicon monoxide reaction distillation exists respectively with doping reaction in the present invention It is carried out in two containers of feedway and reaction unit, can be controlled separately the temperature of material reaction and collection of products；Dopant With silicon monoxide mixing and doping directly under silicon monoxide gaseous state, uniform in effect is adulterated, and is mixing in nanostructure Miscellaneous, compared with adulterating again after crushing silicon monoxide, doping effect is more preferable；The selectivity diversification of doped source, and Safety is easy to operate, is advantageously implemented industrialized production.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.

Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution It encloses.

Claims (8)

1. a kind of production equipment for adulterating silicon monoxide, which is characterized in that connect including reaction unit, with the reaction unit pipeline Logical doped source decomposer and the doped source supply unit with the doped source decomposer pipeline connection, on the reaction unit respectively Equipped with steam inlet and exhaust outlet, exhaust ports are equipped with exhaust valve.

2. the production equipment of doping silicon monoxide as described in claim 1, which is characterized in that further include generating silicon monoxide to steam Feedway, vacuum pump and the exhaust gas processing device of vapour, the feedway pass through the steam inlet and the reaction unit Connection, the vacuum pump inlet end are connected to the exhaust outlet, and vacuum pump output terminal is connected to the exhaust gas processing device.

3. the production equipment of doping silicon monoxide as described in claim 1, which is characterized in that the doped source supply unit includes Oxygen branch, carrier gas branch and carrier gas branch, the carrier gas branch road are equipped with source bottle.

4. the production equipment of doping silicon monoxide as claimed in claim 3, which is characterized in that oxygen branch, carrier gas branch It is successively arranged gas dry filter, flowmeter and intake valve respectively with carrier gas branch curb gas flow direction.

5. the production equipment of the doping silicon monoxide as described in claim 1-4 any one, which is characterized in that the reaction dress Set the internal fluid channel for being equipped with detour.

6. the production equipment of doping silicon monoxide as claimed in claim 5, which is characterized in that be equipped with inside the reaction unit Several partitions, several partitions are staggered to form the fluid channel.

7. the production equipment of doping silicon monoxide as claimed in claim 6, which is characterized in that the fluid channel first end is Air inlet, second end are gas outlet, and the doped source decomposer is connected to the air inlet, and the steam inlet is correspondingly arranged at institute It states at air inlet, the exhaust outlet is correspondingly arranged at the gas outlet.

8. the production equipment of doping silicon monoxide as claimed in claim 4, which is characterized in that the source bottle is set to the air inlet Between valve and doped source decomposer, source bottle is outer to be arranged with thermostat.