CN109269302A - A kind of calcining vessel and method for calcinating - Google Patents
A kind of calcining vessel and method for calcinating Download PDFInfo
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- CN109269302A CN109269302A CN201811342310.6A CN201811342310A CN109269302A CN 109269302 A CN109269302 A CN 109269302A CN 201811342310 A CN201811342310 A CN 201811342310A CN 109269302 A CN109269302 A CN 109269302A
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- quartz ampoule
- calcining
- small quartz
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
- F27B17/02—Furnaces of a kind not covered by any preceding group specially designed for laboratory use
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J12/00—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
Abstract
The invention discloses a kind of calcining vessel and method for calcinating, are related to calcining technology field.Calcining vessel, including flange, at least two inlet channels and vessel.Flange offers at least two air inlets;Inlet channel and air inlet connect one to one for being passed through gas;Vessel is for carrying out calcining operation, and including big quartz ampoule and at least two small quartz ampoules, small quartz ampoule is located in big quartz ampoule, and small quartz ampoule is connected to correspondingly with air inlet.Two samples can be individually placed in small quartz glass tube by the calcining vessel, and such sample would not be mutually mixed in experiment and operating process;Different atmosphere can be each led by two air inlets of flange, meet differential responses condition required for testing;And the gas of more air inlets can be controlled separately air-flow size, pass through the ratio of the amount of big two substance of minor adjustment of air-flow;By the different small quartzy length of tube of design, the warm area position of position and the two reaction that sample is placed respectively can control.
Description
Technical field
The present invention relates to calcining technology fields, in particular to a kind of calcining vessel and method for calcinating.
Background technique
The quartz glass tube and flange of prior art conventional calcination, usually single air inlet.Single glass tube passage can be with
Meet most of calcination reactions, still, however it remains some disadvantages:
1, it is easy mixing: when two different samples are calcined together, due to only one channel, in operation and experimentation
It is easy to mix sample due to air-flow, reaction is remixed after cannot reacting respectively.
2, be difficult to be reacted respectively: two samples might have different reaction atmospheres in reaction, but single pass
It can only be passed through a kind of gas, the reaction under same atmosphere can only be carried out.
3, the problem of being difficult control amount in reaction process: only one air inlet duct of traditional devices, only one sample
Set-down location can not accurately control the amount that air-flow size controls its reaction when two kinds of substances are calcined jointly.
4, it when volatilization and the reaction certainly of two kinds of substances are respectively suitable for different warm areas, can not also be controlled while controlling warm area
Reaction section processed.
Summary of the invention
The purpose of the present invention is to provide a kind of calcining vessels, can improve problem of the prior art, guarantee calcining operation
It is normally carried out, improves burning quality and efficiency.
Another object of the present invention is to provide a kind of method for calcinating, are mainly calcined using above-mentioned calcining vessel.
Therefore, which can improve problem of the prior art, guarantee being normally carried out for calcining operation, improve burning quality and effect
Rate.
The embodiment of the present invention is achieved in that
A kind of calcining vessel, comprising:
Flange, flange offer at least two air inlets;
At least two inlet channels, inlet channel connect one to one with air inlet, for being passed through gas to air inlet;
Vessel, vessel is for carrying out calcining operation, and vessel includes that big quartz ampoule and at least two are small
Quartz ampoule, two small quartz ampoules are set in big quartz ampoule, and small quartz ampoule is arranged in a one-to-one correspondence with air inlet, and for receive into
The gas that gas channel is passed through.
Further, in the preferred embodiment, the quantity of inlet channel, air inlet and small quartz ampoule is
Two, and an inlet channel, an air inlet and a small quartz ampoule connect with being corresponding in turn to.
Further, in the preferred embodiment, the length of two small quartz ampoules is identical or different.
Further, in the preferred embodiment, control switch valve, and inlet channel are provided at air inlet
It is equipped with flowmeter, flowmeter is for monitoring the flow and flow rate for being passed through gas.
Further, in the preferred embodiment, by the gas of inlet channel be calcining operation needed for it is anti-
Answer gas or inert gas.
A kind of method for calcinating, comprising:
Calcining operation is carried out using above-mentioned calcining vessel.
Further, in the preferred embodiment, calcining operation is carried out using calcining vessel to specifically include:
Material to be calcined is placed in big quartz ampoule, and reaction is inputted to small quartz ampoule by inlet channel respectively
Gas under heating environment to carry out calcining operation.
Further, in the preferred embodiment, material to be calcined is placed in big quartz ampoule, and led to
It crosses inlet channel and inputs reaction gas respectively to small quartz ampoule and carry out calcining operation, specifically includes the following steps:
According to the demand of material to be calcined, type, flow velocity and the flow for being passed through gas are determined, while determining small quartz
The quantity and length of pipe;
Material to be calcined is placed in big quartz ampoule;
The small quartz ampoule of preset quantity is selected, and makes the end of longest small quartz ampoule is close to place material to be calcined
Position;
Air inlet identical with small quartz ampoule quantity is opened up on flange, and selects air inlet identical with air inlet quantity
Channel, so that the both ends of an air inlet are connected to an inlet channel and a small quartz ampoule respectively;
According to the demand to calcined material, by each inlet channel to small quartz ampoule according to preset time, preset flow and
Preset flow rate is passed through the reaction gas of default type, and heats vessel so that material to be calcined carries out calcining operation.
Further, in the preferred embodiment, calcining operation is carried out using calcining vessel to specifically include:
Material to be calcined is respectively placed in small quartz ampoule, and is inputted and is reacted to small quartz ampoule by inlet channel
Gas, so that material to be calcined volatilizees in small quartz ampoule and carries out calcining work as reaction gas enters in big quartz ampoule
Industry.
Further, in the preferred embodiment, calcining operation is carried out using calcining vessel to specifically include, it will be to
The material of calcining is respectively placed in small quartz ampoule, and inputs reaction gas to small quartz ampoule by inlet channel, so as to
The material of calcining volatilize in small quartz ampoule and with reaction gas enter big quartz ampoule in carry out calcining operation the step of it is specific
Include:
According to the demand of material to be calcined, the type and dosage of the material being put into different small quartz ampoules are determined, together
When determine type, flow velocity and the flow of reaction gas;
The placement part material to be calcined respectively in each small quartz ampoule;
Air inlet identical with small quartz ampoule quantity is opened up on flange, and selects air inlet identical with air inlet quantity
Channel, so that the both ends of an air inlet are connected to an inlet channel and a small quartz ampoule respectively;
According to the demand to calcined material, by each inlet channel to small quartz ampoule according to preset time, preset flow and
Preset flow rate is passed through the reaction gas of default type, and heat vessel so that wait calcine material volatilization after with reaction gas
Body carries out calcining operation into big quartz ampoule together.
The embodiment of the present invention at least have following advantages or the utility model has the advantages that
The embodiment provides a kind of calcining vessels, including flange, at least two inlet channels and container sheet
Body.Wherein, flange offers at least two air inlets;Inlet channel connects one to one with air inlet, for logical to air inlet
Enter gas;Vessel is for carrying out calcining operation, and vessel includes big quartz ampoule and at least two small quartz ampoules, and two
Small quartz ampoule is set in big quartz ampoule, and small quartz ampoule is arranged in a one-to-one correspondence with air inlet, and is passed through for receiving inlet channel
Gas.On the one hand, by the setting of multiple inlet channels, air inlet and small quartz ampoule, so that when carrying out calcining operation,
Different reaction gas can be passed through in big quartz ampoule by small quartz ampoule, test required differential responses item in order to meet
Part by the ratio of the amount of big two substance of minor adjustment of air-flow, while controlling position and the two reaction that material to be calcined is placed
Warm area position.It on the other hand, can also be different by the setting of multiple inlet channels, air inlet and small quartz ampoule
Multiple samples are placed in small quartz ampoule, so that multiple samples volatilize in a heated state, as reaction gas enters big quartz ampoule
Calcining operation is inside carried out, is mutually mixed before calcination to efficiently avoid sample, after sample is reacted respectively again
Hybrid reaction, to improve calcination efficiency and quality.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram for the first calcining vessel that the embodiment of the present invention 1 provides;
Fig. 2 is the structural schematic diagram for second of calcining vessel that the embodiment of the present invention 1 provides;
Fig. 3 is the structural schematic diagram for the calcining vessel that the embodiment of the present invention 2 provides;
Fig. 4 is SEM figure when the first calcining vessel that embodiment 1 provides carries out calcining experiment;
Fig. 5 is XRD diagram when the first calcining vessel that embodiment 1 provides carries out calcining experiment.
Icon: 100- calcining vessel;101- flange;105- inlet channel;107- vessel;The big quartz ampoule of 109-;
The small quartz ampoule of 111-;Material 113- to be calcined.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.Therefore, below to the reality of the invention provided in the accompanying drawings
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the embodiment of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
Either the invention product using when the orientation or positional relationship usually put, be merely for convenience of the description present invention and simplification retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and
It cannot be understood as indicating or implying relative importance.
In the description of the embodiment of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term
" setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be on or below second feature
Directly contacted including the first and second features, also may include the first and second features be not direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature second spy
Right above sign and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature second feature it
Under, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of first feature horizontal height
Less than second feature.
Embodiment 1
Fig. 1 is the structural schematic diagram of the first calcining vessel 100 provided in this embodiment.Referring to Fig. 1, the present embodiment mentions
A kind of calcining vessel 100 is supplied, comprising: flange 101, at least two inlet channels 105 and vessel 107.Flange 101 is used
In connection inlet channel 105 and vessel 107, vessel 107 under heating environment for carrying out calcination reaction.
In detail, flange 101 offers at least two air inlets;Inlet channel 105 connects one to one with air inlet, uses
In being passed through reaction gas to air inlet;Vessel 107 is for heating reaction gas, so that calcining operation is carried out, and
Vessel 107 includes big quartz ampoule 109 and at least two small quartz ampoules 111, and two small quartz ampoule 111 is set to big quartz ampoule
In 109, small quartz ampoule 111 is arranged in a one-to-one correspondence with air inlet, and for receiving the gas that inlet channel 105 is passed through.By more
The setting of a inlet channel 105, air inlet and small quartz ampoule 111, so that when carrying out calcining operation, it can be by different reactions
Gas is passed through in big quartz ampoule 109 by small quartz ampoule 111, is tested required differential responses condition in order to meet, is passed through
The ratio of the amount of big two substance of minor adjustment of air-flow, while controlling the temperature of position and the two reaction that material 113 to be calcined is placed
Zone position.
Specifically, in the present embodiment, the quantity of inlet channel 105, air inlet and small quartz ampoule 111 is two,
And 105, air inlets of an inlet channel and one small quartz ampoule 111 connect with being corresponding in turn to.Wherein, big quartz ampoule
109 for placing material 113 to be calcined, and two small quartz ampoule 111 is connected to inlet channel 105 and air inlet, and is used for
Two kinds of reaction gas needed for each leading into calcining, are allowed to meet different reaction conditions.It can by the gas of two air inlets
To control air-flow size, and the ratio of the amount by big two substance of minor adjustment of air-flow respectively, to meet material 113 to be calcined
Calcining demand.Certainly, in the other embodiments of the utility model, inlet channel 105, air inlet and small quartz ampoule 111
Quantity can also be selected according to demand, be not limited in two.
As a preferred option, in the present embodiment, control switch valve, and inlet channel 105 are provided at air inlet
It is equipped with flowmeter, flowmeter is for monitoring the flow and flow rate for being passed through gas.The use of control switch valve and flowmeter
To improve the safety that calcining vessel 100 is calcined, while guaranteeing being normally carried out for every operation.
Fig. 2 is the structural schematic diagram of second of calcining vessel 100 provided in this embodiment.Referring to Fig. 2, in the present embodiment
In, the length of two small quartz ampoule 111 is different, and the end of the longer quartz ampoule of length is closer to putting in big quartz ampoule 109
Set the position of material 113 to be calcined.By the setting for the small quartz ampoule 111 that one is long and the other is short, so that specifically calcining operation
In the process, it can first pass through shorter small quartz ampoule 111 according to the demand of material 113 to be calcined and input a kind of reaction gas, make
This kind of reaction gas is obtained full of entire big quartz ampoule 109, and is directed at material 113 to be calcined and is sufficiently reacted again, thus
It can control the warm area position of position and the two reaction that material 113 to be calcined is placed, and then effectively improve calcination efficiency
With quality,.
In detail, the present embodiment additionally provides a kind of method for calcinating, which is utilized above-mentioned calcining vessel 100
Carry out calcining operation.
Specifically, calcining operation is carried out using calcining vessel 100 to specifically include material 113 to be calcined being placed in great Shi
In English pipe 109, and reaction gas is inputted respectively to small quartz ampoule 111 to carry out under heating environment by inlet channel 105
Calcine operation.Also, itself specifically includes the following steps:
S1: according to the demand of material 113 to be calcined, type, flow velocity and the flow for being passed through gas are determined, is determined simultaneously
The quantity and length of small quartz ampoule 111;
S2: material 113 to be calcined is placed in big quartz ampoule 109;
S3: selecting the small quartz ampoule 111 of preset quantity, and make the end of longest small quartz ampoule 111 close to place to
The position of the material 113 of calcining;
S4: air inlet identical with small 111 quantity of quartz ampoule is opened up on flange 101, and is selected and air inlet quantity
Identical inlet channel 105 so that the both ends of an air inlet respectively with an inlet channel 105 and one small quartz ampoule 111
Connection;
S5: according to the demand to calcined material, by each inlet channel 105 to small quartz ampoule 111 according to preset time, pre-
If flow and preset flow rate are passed through the reaction gas of default type, and heat vessel 107 so that material 113 to be calcined into
Row calcining operation.
The two ways that embodiment 1 refers to is carried out specifically below with reference to 113 type of material specifically to be calcined
It is bright
In the first enforceable scheme, the length of two small quartz ampoule 111 is identical.Also, present case design two into
Port, as shown in Figure 1, the two small quartz ampoule 111 being separately connected in big quartz ampoule 109, the length of small quartz ampoule 111 are identical about
It is the 1/5 of big quartz ampoule 109, is respectively put into CdS and MoO in small quartz ampoule 1113, each lead into the also Primordial Qi-of big air-flow
10%Ar/H2, the two is volatilized near high-temperature region, after blowing out small quartz ampoule 111, is occurred in the big quartz ampoule 109 of high-temperature region
Reaction, is finally synthesizing product CdS/MoO2, there is good uniformity.Fig. 4 is the first calcining vessel that embodiment 1 provides
100 carry out SEM figure when calcining experiment;Fig. 5 is that the first calcining vessel 100 that embodiment 1 provides carries out when calcining is tested
XRD diagram.Fig. 4 and Fig. 5 are please referred to, SEM is as above schemed and shows that the nano particle loaded in the sample strip that this equipment is prepared is uniform,
Nanometer sheet is also very thin, and XRD crystal phase shows CdS, MoO2、Cd(MoO4), it is also provable to load successfully.This case is provable to use this
Once calcining has synthesized compound required for us to calcining vessel 100.It is simple controllable, and Load Balanced.
In second of enforceable scheme, the length of two small quartz ampoule 111 is different.Also, present case design two into
Port, as shown in Fig. 2, the two small quartz ampoule 111 being separately connected in big quartz ampoule 109, the length of small quartz ampoule 111 not phase
Together, MoO is placed in the tail end of long quartz ampoule3, vent passage CH in short tube4, make in big quartz ampoule 109 full of CH4Gas, by MoO3
It is carbonized into MoC, is passed through NH in long tube4Gas makes NH4Gas is just blown on the MoC of generation, and the periphery MoC is made to form high concentration N
Environment makes MoC carry out good N doping.
Embodiment 2
Fig. 3 is the structural schematic diagram of calcining vessel 100 provided in this embodiment.Referring to Fig. 3, provided in this embodiment forge
The difference for the calcining vessel 100 that baking vessel 100 is provided with embodiment 1 is, the air inlet of calcining vessel 100 provided in this embodiment
The gas that channel 105 is passed through is reaction gas, and material 113 to be calcined is respectively placed in two small quartz ampoule 111, and
Reaction gas is inputted to small quartz ampoule 111 by inlet channel 105, so that material 113 to be calcined is waved in small quartz ampoule 111
It sends out and carries out calcining operation as reaction gas enters in big quartz ampoule 109.It is calcined in this way, it can be in difference
Small quartz ampoule 111 in place multiple samples so that multiple samples volatilize in a heated state, as reaction gas enters great Shi
Calcining operation is carried out in English pipe 109, is mutually mixed before calcination to efficiently avoid sample, allows sample anti-respectively
Should after remix reaction, to improve calcination efficiency and quality.It should be noted that in the present embodiment, reaction gas can be
Directly participating in the gas of reaction may be inert gas, and the present embodiment does not limit.
In detail, the present embodiment additionally provides a kind of method for calcinating, carries out calcining work using above-mentioned calcining vessel 100
Industry, and it is specifically included, following steps:
S1: according to the demand of material 113 to be calcined, determine the type for the material being put into different small quartz ampoules 111 with
And dosage, while determining type, flow velocity and the flow of reaction gas;
S2: the placement part material 113 to be calcined respectively in each small quartz ampoule 111;
S3: air inlet identical with small 111 quantity of quartz ampoule is opened up on flange 101, and is selected and air inlet quantity
Identical inlet channel 105 so that the both ends of an air inlet respectively with an inlet channel 105 and one small quartz ampoule 111
Connection;
S4: according to the demand to calcined material, by each inlet channel 105 to small quartz ampoule 111 according to preset time, pre-
If flow and preset flow rate are passed through the reaction gas of default type, and heat vessel 107 so that material 113 to be calcined is waved
As reaction gas carries out calcining operation into big quartz ampoule 109 together after hair.
In conclusion the calcining vessel 100 that the embodiment of the present invention provides has following excellent compared to calcining vessel 100
Gesture:
1, two samples can be individually placed in small quartz glass tube, such sample would not be in experiment and operating process
In be mutually mixed.
2, different atmosphere can be each led by two air inlets of flange 101, met different anti-required for experiment
Answer condition.
3, the gas of more air inlets can be controlled separately air-flow size, pass through the ratio of the amount of big two substance of minor adjustment of air-flow
Example.
4, by different small 111 length of quartz ampoule of design, position that sample is placed respectively and the two reaction be can control
Warm area position.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of calcining vessel characterized by comprising
Flange, the flange offer at least two air inlets;
At least two inlet channels, the inlet channel connect one to one with the air inlet, for logical to the air inlet
Enter gas;
Vessel, the vessel is for carrying out calcining operation, and the vessel includes big quartz ampoule and at least two
A small quartz ampoule, two small quartz ampoules are set in big quartz ampoule, and the small quartz ampoule and the air inlet correspond
Setting, and for receiving the gas that the inlet channel is passed through.
2. calcining vessel according to claim 1, it is characterised in that:
The quantity of the inlet channel, the air inlet and the small quartz ampoule is two, and an inlet channel,
One air inlet and a small quartz ampoule connect with being corresponding in turn to.
3. calcining vessel according to claim 2, it is characterised in that:
The length of two small quartz ampoules is identical or different.
4. calcining vessel according to claim 2, it is characterised in that:
Control switch valve is provided at the air inlet, and the inlet channel is equipped with flowmeter, the flowmeter is used for
Monitoring is passed through the flow and flow rate of gas.
5. calcining vessel according to claim 1, it is characterised in that:
Gas by the inlet channel is reaction gas or inert gas needed for calcining operation.
6. a kind of method for calcinating characterized by comprising
Calcining operation is carried out using calcining vessel described in any one of any one of claims 1 to 55.
7. method for calcinating according to claim 6, which is characterized in that it is specific to carry out calcining operation using the calcining vessel
Include:
Material to be calcined is placed in the big quartz ampoule, and is distinguished by the inlet channel to the small quartz ampoule
Reaction gas is inputted to carry out calcining operation under heating environment.
8. method for calcinating according to claim 7, which is characterized in that the material to be calcined is placed in the great Shi
In English pipe, and the reaction gas is inputted to the small quartz ampoule by the inlet channel respectively and carries out calcining operation, had
Body the following steps are included:
According to the demand of material to be calcined, type, flow velocity and the flow for being passed through gas are determined, while determining the small quartz
The quantity and length of pipe;
Material to be calcined is placed in the big quartz ampoule;
The small quartz ampoule of preset quantity is selected, and makes the end of the longest small quartz ampoule to be calcined close to placing
The position of material;
The air inlet identical with the small quartz ampoule quantity is opened up on the flange, and is selected and the air inlet number
The identical inlet channel is measured, so that the both ends of an air inlet are respectively and described in an inlet channel and one
Small quartz ampoule connection;
According to the demand to calcined material, by each inlet channel to the small quartz ampoule according to preset time, pre-
If flow and preset flow rate are passed through the reaction gas of default type, and heat the vessel so that described to be calcined
Material carries out calcining operation.
9. method for calcinating according to claim 6, which is characterized in that it is specific to carry out calcining operation using the calcining vessel
Include:
Material to be calcined is respectively placed in the small quartz ampoule, and passes through the inlet channel to the small quartz ampoule
Reaction gas is inputted, so that the material to be calcined volatilizees in the small quartz ampoule and as the reaction gas enters institute
It states and carries out calcining operation in big quartz ampoule.
10. method for calcinating according to claim 9, which is characterized in that carry out calcining operation using the calcining vessel and have
Body includes that the material to be calcined is respectively placed in the small quartz ampoule, and by the inlet channel to described
Small quartz ampoule inputs the reaction gas, so that the material to be calcined volatilizees in the small quartz ampoule and with described anti-
It answers gas to enter the step of carrying out calcining operation in the big quartz ampoule to specifically include:
According to the demand of material to be calcined, the type and dosage of the material being put into the different small quartz ampoules are determined, together
When determine type, flow velocity and the flow of reaction gas;
The material to be calcined described in placement part respectively in each small quartz ampoule;
The air inlet identical with the small quartz ampoule quantity is opened up on the flange, and is selected and the air inlet number
The identical inlet channel is measured, so that the both ends of an air inlet are respectively and described in an inlet channel and one
Small quartz ampoule connection;
According to the demand to calcined material, by each inlet channel to the small quartz ampoule according to preset time, pre-
If flow and preset flow rate are passed through the reaction gas of default type, and heat the vessel so that described to be calcined
As the reaction gas carries out calcining operation into the big quartz ampoule together after material volatilization.
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CN102764895A (en) * | 2012-07-30 | 2012-11-07 | 北京科技大学 | Device and method for preparing high-purity ultrafine nickel powder |
CN104089976A (en) * | 2014-07-09 | 2014-10-08 | 安徽工业大学 | Observable device applied to solid fuel combustion mechanism research |
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