CN108588311A - A kind of single clinker brin of focus tracking is broken into drip apparatus and method - Google Patents
A kind of single clinker brin of focus tracking is broken into drip apparatus and method Download PDFInfo
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- CN108588311A CN108588311A CN201810257799.0A CN201810257799A CN108588311A CN 108588311 A CN108588311 A CN 108588311A CN 201810257799 A CN201810257799 A CN 201810257799A CN 108588311 A CN108588311 A CN 108588311A
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- graphite
- brin
- slag
- nozzle
- clinker
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
- C21B3/08—Cooling slag
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B3/00—General features in the manufacture of pig-iron
- C21B3/04—Recovery of by-products, e.g. slag
- C21B3/06—Treatment of liquid slag
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The present invention relates to Dry granulation of BF slag device, especially a kind of single clinker brin of focus tracking is broken into drip apparatus and method.Including graphite crucible, graphite capillary nozzle, temperature control heating furnace, seal box, protection gas cylinder, graphite stopper, holder, high-speed camera, air compressor, vertical setting of types air nozzle, contrast plate, slag slot.It protects gas cylinder, seal box, graphite stopper and graphite capillary nozzle that liquid slag is made to pass through graphite capillary nozzle to flow out to form brin; and it is broken into drop under pressure applied and gravity; the Airflow Environment that the clinker brin that air compressor and the simulation of vertical setting of types air nozzle are rotated with revolving cup is subjected to, entire shattering process are recorded under the setting off of contrast plate by the high-speed camera.The present invention can be used for studying the phenomenon that single clinker brin is granulated according to Rayleigh discretization mechanism, amplifies and is generalized in the middle of industrial production with making blast furnace slag centrifugal process dry granulation recovery waste heat technically reliable.
Description
Technical field
The present invention relates to Dry granulation of BF slag device, especially a kind of single clinker brin of focus tracking is broken into drop dress
It sets and method.
Background technology
The molten slag temperature that blast furnace ironmaking production process is discharged contains abundant sensible heat resource at 1450 DEG C -1550 DEG C
And belong to high-grade heat source, there is high recovery value.Afterheat of slags recycling may be implemented in clinker dry granulation technology will
Iron and Steel Enterprises in China is effectively helped to realize significantly energy saving, emission reduction and reduction smelting cost.
Since the inwardness of blast furnace slag is that viscosity is high and thermal coefficient is low, internal heat transfer is slow, with extraneous medium (such as
Air) heat exchange when, in a short time in the confined space, clinker is only capable of obtaining the cooling on surface layer；Once extraneous intensity of cooling office
Portion weaken, clinker surface layer rise again easily cause granulated slag particle be bonded together and be bonded on container inner wall；And because
The continuity of granulating operation and vicious circle, accumulation bond so that slag granulation operation is forced to interrupt and cleared up.So
At present the centrifugal dry granulation technology of blast furnace slag not up to optimize and can popularization, realization slag liquid Rayleigh discretization condition still
It is not studied adequately, industrial applications is obtained without a kind of clinker dry granulation technology.
Therefore, in order to strengthen the heat exchange between slag particle and heat transferring medium, only by slag granulation at tiny enough
Grain, obtains sufficiently large heat transfer specific surface area, can just efficiently solve above-mentioned problem.Document Prediction of
Granulated Slag Properties Produced from Spinning Disk Atomizer by
Mathematical Mode, which are reported, can be inferred that by results of numerical simulation when molten slag particle diameter is more than
The cooling velocity of slag particle causes slag particle limited in pelletizer possibly lower than the cooling velocity required by vitrifying when 2.5mm
Residence time in it is cooling insufficient and be easy to happen bonding phenomenon.Moreover, according to document 1：Dry Granulation and
Solidification of Molten Blast Furnace Slag, document 2：METEC&2nd ESTAD Conference、
Document 3：Dry Granulation of Molten Slag using a Rotating Multi-Nozzle Cup
Atomizer and Characterization of Slag Particles etc. report the slag that these current technologies are produced
Grain grain size, range is all not ideal enough, and slag particle of the diameter more than 2.5mm still accounts for about 30% or more, so that these technologies face
The difficulty being further amplified.Condition in order to fully study slag liquid Rayleigh discretization realizes the refinement of slag particle, needs a kind of poly-
The single clinker brin of coke tracking is broken into drip apparatus and finds out the optimal conditions that acquisition diameter is less than 2.5mm slag particles.
Invention content
For overcome the deficiencies in the prior art, a kind of single clinker brin of focus tracking of present invention offer is broken into drip apparatus
And method.It can carry out studying process and mechanism that single clinker brin is dripped according to Rayleigh discretization principle break into slag, find out and obtain
Obtain the optimal conditions that diameter is less than 2.5mm slag particles.
In order to achieve the above object, the present invention is realized using following technical scheme：
A kind of single clinker brin of focus tracking is broken into drip apparatus, including graphite crucible, graphite capillary nozzle, temperature control
Heating furnace, seal box, protection gas cylinder, graphite stopper, holder, high-speed camera, air compressor, vertical setting of types air nozzle, contrast
Plate, slag slot.
Graphite capillary nozzle is fixed in graphite crucible bottom lower end, and graphite crucible is placed in temperature control heating furnace, temperature control
Heating furnace is placed in seal box, and seal box is fixed on holder；Graphite stopper is inserted into temperature control heating furnace and graphite crucible is against
On graphite capillary nozzle, contrast plate is mounted on mid-stent, is located at graphite capillary nozzle both sides, high-speed camera and vertical setting of types
Air nozzle is mounted on side face, and slag slot is mounted on frame bottom, is located at immediately below graphite capillary nozzle.
Temperature control heating furnace heating and melting high temperature furnace slag makes it be melted into liquid, and protection gas cylinder provides protection and gas-pressurized,
Graphite stopper is against on graphite capillary nozzle, controls the flowing of molten state high temperature furnace slag, protection gas cylinder, seal box, graphite plug
Stick and graphite capillary nozzle make liquid slag pass through graphite capillary nozzle to flow out to form brin, and in pressure applied
Be broken into drop under gravity, the gas that the clinker brin that air compressor and the simulation of vertical setting of types air nozzle are rotated with revolving cup is subjected to
Rotating ring border, entire shattering process are recorded under the setting off of contrast plate by the high-speed camera.
The protection gas cylinder is mounted on seal box side, provides protective atmosphere and pressured atmosphere, and protection gas prevents high temperature melting
Slag oxidation；Pressure and gravity are applied to molten state high-temperature slag simultaneously, it is made to be broken into drop.
The high-speed camera is mounted on holder side, focuses single clinker brin, accurately observes the thin of clinker brin
Micro- deformation and fracture behaviour, convenient for finding out the optimal conditions for obtaining diameter and being less than 2.5mm slag particles.
The vertical setting of types air nozzle is mounted on holder side, and vertical setting of types air nozzle is connected with air compressor, and simulation is practical
On with revolving cup rotation the Airflow Environment that is subjected to of clinker brin, true reduction experiment condition.
The seal box is the closed babinet made of metal material, ensure high temperature furnace slag during heating not by
External condition influences.
A kind of single clinker brin of focus tracking is crushed droplets of method, specifically comprises the following steps：
(1) graphite stopper is positioned at graphite capillary nozzle first, nozzle is made to be closed, then blast furnace slag
It is put into graphite crucible, shuts temperature control heating furnace bell, close seal box, furnace inner space is made to be in sealing state；
(2) temperature control heating furnace is opened, is heated 20~90 minutes with the heating rate of 5~100 DEG C/min, waits for that temperature reaches
Stop heating up after 1000~2500 DEG C and carry out isothermal holding, clinker reaches fusing point into molten condition at this time；
(3) opening graphite stopper makes graphite capillary nozzle be in open state, opens simultaneously protection gas cylinder to seal box
It is inside passed through protective gas, the molten slag in graphite crucible is under the action of protective gas pressure and its own gravity, by graphite
Capillary nozzle forms brin outflow；
(4) air compressor is opened, the air of compression is sprayed by vertical setting of types air nozzle to be formed air curtain and blow to brin with mould
The Airflow Environment that the quasi- clinker brin actually rotated with revolving cup is subjected to；
(5) while high-speed camera is opened, the brin of outflow is set off by contrast plate is shot with video-corder by high-speed camera；
(6) it shoots with video-corder getting off according to high-speed camera as a result, intercepting the photo opened brin and break into drop, passes through image
The method for comparing object of reference measures liquid-drop diameter, and finds out mean drop diameter under this condition；Also can by change air pressure and
The experiment conditions such as capillary nozzle bore carry out multigroup experiment, obtain the optimal conditions that diameter is less than 2.5mm slag particles；Final granulation
Slag particle collected by slag slot.
Compared with the conventional method, the beneficial effects of the invention are as follows：
The present invention cannot be only used for studying the phenomenon that single clinker brin is granulated according to Rayleigh discretization mechanism, but also can
Similar phenomenon for studying other high-temperature fusants (such as liquid metal)；It is used for surveying in addition, the experimental provision is also equipped with potentiality
Determine the surface tension of high-temperature fusant.The present invention focuses single clinker brin, can more accurately observe the subtle shape of clinker brin
Change and fracture behaviour can be deeply to detect clinker brin Granulation mechanism lay the foundation；And it is auspicious to set up high temperature on this basis
Industry is amplified and be generalized to sharp discretization broken condition range with making blast furnace slag centrifugal process dry granulation recovery waste heat technically reliable
In the middle of production.
Description of the drawings
Fig. 1 is structure of the invention schematic front view；
Fig. 2 is structure of the invention diagrammatic side view.
In figure：1- graphite crucible 2- graphite capillary nozzle 3- temperature control heating furnace 4- closed metal casees 5- protects gas cylinder
6- graphite stopper 7- holder 8- high-speed camera 9- air compressor 10- vertical setting of types air nozzles 11- sets off by contrast plate 12- slags
Slot
Specific implementation mode
The specific implementation mode of the present invention is described further below, but is not limited to the scope of the present invention：
As shown in Figure 1 and Figure 2, a kind of single clinker brin of focus tracking is broken into drip apparatus, including graphite crucible 1, graphite
Capillary nozzle 2, temperature control heating furnace 3, closed metal case 4, protection gas cylinder 5, graphite stopper 6, holder 7, high-speed camera 8, sky
Air compressor 9, vertical setting of types air nozzle 10, contrast plate 11, slag slot 12.
Graphite capillary nozzle 2 is fixed in 1 bottom lower end of graphite crucible；Graphite crucible 1 is placed in temperature control heating furnace 3；
Temperature control heating furnace 3 is placed in closed metal case 4；Gas cylinder 5 is protected to be mounted on 4 side of closed metal case；Closed metal case 4 is fixed
On holder 7；Graphite stopper 6 is inserted into temperature control heating furnace 3 and graphite crucible 1 is against on graphite capillary nozzle 2；Set off by contrast plate 11 to pacify
Mounted in 7 middle part of holder, it is located at 2 both sides of graphite capillary nozzle；High-speed camera 8 is mounted on holder 7 with vertical setting of types air nozzle 10
Side, the contrast plate 11 close to 8 side of high-speed camera are made of transparency silica glass, play the purpose of protection camera；
Vertical setting of types air nozzle 10 is connected with air compressor 9；Slag slot 12 is mounted on 7 bottom of holder, is being located at graphite capillary nozzle 2 just
Lower section.
3 heating and melting blast furnace slag of temperature control heating furnace makes it be melted into liquid.Gas cylinder 5 is protected to be mounted on closed metal case 4 one
Side, provides protective atmosphere and pressured atmosphere, and protection gas prevents high-temperature slag from aoxidizing；Pressure is applied to molten state high-temperature slag simultaneously
And gravity, so that it is broken into drop.High-speed camera 8 is mounted on holder side, focuses single clinker brin, accurately observes stove
The subtle deformation of slag liquid silk and fracture behaviour, convenient for finding out the optimal conditions for obtaining diameter and being less than 2.5mm slag particles.Vertical setting of types air sprays
Mouth 10 is mounted on holder side, and vertical setting of types air nozzle 10 is connected with air compressor 9, the clinker that simulation is actually rotated with revolving cup
The Airflow Environment that brin is subjected to, true reduction experiment condition.Closed metal case 4 is closed to be made of metal material
Babinet ensures that high temperature furnace slag is not influenced during heating by external condition.
The present invention can be used for studying the phenomenon that single clinker brin is granulated according to Rayleigh discretization mechanism, it may also be used for research
The similar phenomenon of other high-temperature fusants (such as liquid metal).It is as follows：
(1) graphite stopper 6 is positioned at graphite capillary nozzle 2 first, nozzle is made to be closed, then 5kg
Blast furnace slag is put into graphite crucible 1, shuts 3 bell of temperature control heating furnace, closes sealing metal case 4, and furnace inner space is made to be in sealing
State.
(2) temperature control heating furnace 3 is opened, is heated 50 minutes with the heating rate of 25 DEG C/min, after temperature reaches 1450 DEG C
Stop heating up and carry out isothermal holding, clinker reaches fusing point into molten condition at this time.
(3) opening graphite stopper 6 makes graphite capillary nozzle 2 be in open state, opens simultaneously and protects gas cylinder 5 to closed
Metal cabinet 4 in be passed through protective gas nitrogen, effect of the molten slag in graphite crucible 1 in nitrogen pressure and its own gravity
Under, form brin outflow by graphite capillary nozzle 2.
(4) open air compressor 9, the air of compression by the ejection of vertical setting of types air nozzle 10 formed air curtain blow to brin with
The Airflow Environment that the clinker brin that simulation is actually rotated with revolving cup is subjected to.
(5) while high-speed camera 8 is opened, the brin of outflow is set off by contrast plate 11 is shot with video-corder down by high-speed camera 8
Come, the contrast plate 11 close to camera side plays the purpose for protecting camera using transparency silica glass.
(6) it shoots with video-corder getting off according to high-speed camera 8 as a result, 1000 brins of interception break into the photo of drop, leads to
It crosses the method that image compares object of reference and measures liquid-drop diameter, and find out mean drop diameter under this condition.Also it can pass through change
The experiment conditions such as air pressure and capillary nozzle bore carry out multigroup experiment, obtain optimal conditions (tool of the diameter less than 2.5mm slag particles
Body is shown in embodiment 1,2).Final granulated slag particle is collected by slag slot 12.
Embodiment 1
Using similar in viscosity and blast furnace slag atoleine simulation molten state blast furnace slag it is shown in Fig. 1 be broken into drip apparatus
Cold simulating test is carried out, specially：
Shown in Fig. 1 is broken into drip apparatus, and 2L atoleines are put into and simulate molten state blast furnace in graphite crucible 1
Slag.The nitrogen in protection gas cylinder 5 is passed through as gas-pressurized to closed closed metal case 4 in experiment.Atoleine is in pressure
Under the action of, the graphite capillary nozzle 2 that pinhole diameter is 0.85mm, the brin of formation are flowed out by the graphite stopper 6 of unlatching
It is broken into drop under the action of pressure applied and gravity.The shattering process carries out 5 groups of surveys with a frame high-speed camera 8
Amount, every group of candid photograph 1000 is opened, and every group is selected 10 fuller paraffin drop pictures, measures every group of liquid-drop diameter, and take
Average value.Air compressor 9 blows to brin by 10 the formed air curtain of a vertical setting of types air nozzle mounted on experimental provision side
To simulate the Airflow Environment that the clinker brin actually rotated with revolving cup is subjected to.Final granulated paraffin is returned by slag slot 12
It receives.
The atoleine diameter and uniformity of the embodiment of the present invention 2 are tested according to the method described in above-mentioned technical proposal；
Test result is that the atoleine of the embodiment of the present invention 2 is a diameter of：1.25-1.40mm and uniformity is preferable.
Embodiment 2
It is tested using the blast furnace slag of certain iron-smelter A blast furnaces institute output drip apparatus that is broken into shown in Fig. 1, specifically
For：
Test situation 1：5kg blast furnace slags are fitted into graphite crucible 1, temperature control heating furnace 3 are opened, with the heating of 25 DEG C/min
Speed heats 50 minutes, stops heating up after temperature reaches 1450 DEG C and carries out isothermal holding, clinker reaches fusing point Cheng Rong at this time
Melt state.In non-pressurized unlatching graphite stopper 6, molten slag passes through a diameter of 1.25mm under self gravitation effect
Graphite capillary nozzle 2.Drippage process captures Liquid particle image by high-speed camera 8, carries out 5 groups of measurements, every group of candid photograph
1000, and every group is selected 10 fuller drop pictures, and iron wire diameter is measured before every group of experiment, proportion of utilization ruler
Every group of liquid-drop diameter is measured in comparison, and is averaged.
Test situation 2：5kg blast furnace slags are fitted into graphite crucible 1, the heating of heated stove 3 reaches molten condition, is passed through guarantor
The nitrogen in gas cylinder 5 is protected, makes molten slag under pressure by the graphite capillary nozzle 2 of a diameter of 0.85mm.By
It is smaller in the apertures 0.85mm, molten slag can not be made to flow out by its own gravity merely, it is therefore necessary to which the mode by pressurization promotes
Molten slag forms drop.It is measured 10 times by high-speed camera 8 in 0.5MPa, captures 1000 every time, and take 10
It opens and measures diameter, be averaged and record.Air compressor 9 passes through the vertical setting of types air nozzle mounted on experimental provision side
10 formed air curtains blow to brin to simulate the Airflow Environment that the clinker brin actually rotated with revolving cup is subjected to.Final granulation
Slag drop by slag slot 12 recycle.
The molten slag diameter and uniformity of the embodiment of the present invention 1 are tested according to the method described in above-mentioned technical proposal；
Test result is that the molten slag slag drop of the embodiment of the present invention 1 is a diameter of：1.55-1.85mm and uniformity is preferable.
The present invention cannot be only used for studying the phenomenon that single clinker brin is granulated according to Rayleigh discretization mechanism, but also can
Similar phenomenon for studying other high-temperature fusants (such as liquid metal).It is used for surveying in addition, the experimental provision is also equipped with potentiality
Determine the surface tension of high-temperature fusant.Experimental provision provided by the invention focuses single clinker brin, can more accurately observe stove
The subtle deformation of slag liquid silk and fracture behaviour can be deeply to detect clinker brin Granulation mechanism to lay the foundation.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of single clinker brin of focus tracking is broken into drip apparatus, it is characterised in that：Including graphite crucible, graphite capillary
Nozzle, temperature control heating furnace, seal box, protection gas cylinder, graphite stopper, holder, high-speed camera, air compressor, vertical setting of types air
Nozzle, contrast plate, slag slot；
Graphite capillary nozzle is fixed in graphite crucible bottom lower end, and graphite crucible is placed in temperature control heating furnace, temperature control heating
Stove is placed in seal box, and seal box is fixed on holder；Graphite stopper is inserted into temperature control heating furnace and graphite crucible is against graphite
On capillary nozzle, contrast plate is mounted on mid-stent, is located at graphite capillary nozzle both sides, high-speed camera and vertical setting of types air
Nozzle is mounted on side face, and slag slot is mounted on frame bottom, is located at immediately below graphite capillary nozzle；
Temperature control heating furnace heating and melting high temperature furnace slag makes it be melted into liquid, and protection gas cylinder provides protection and gas-pressurized, graphite
Stopper is against on graphite capillary nozzle, control molten state high temperature furnace slag flowing, protection gas cylinder, seal box, graphite stopper with
And graphite capillary nozzle makes liquid slag pass through graphite capillary nozzle to flow out to form brin, and in pressure applied and again
Drop, the air ring that the clinker brin that air compressor and the simulation of vertical setting of types air nozzle are rotated with revolving cup is subjected to are broken under power
Border, entire shattering process are recorded under the setting off of contrast plate by the high-speed camera.
2. the single clinker brin of a kind of focus tracking according to claim 1 is broken into drip apparatus, it is characterised in that：It is described
It protects gas cylinder to be mounted on seal box side, protective atmosphere and pressured atmosphere is provided, protection gas prevents high-temperature slag from aoxidizing；It is right simultaneously
Molten state high-temperature slag applies pressure and gravity, it is made to be broken into drop.
3. the single clinker brin of a kind of focus tracking according to claim 1 is broken into drip apparatus, it is characterised in that：It is described
High-speed camera is mounted on holder side, focuses single clinker brin, accurately observes the subtle deformation and fracture of clinker brin
Behavior, convenient for finding out the optimal conditions for obtaining diameter and being less than 2.5mm slag particles.
4. the single clinker brin of a kind of focus tracking according to claim 1 is broken into drip apparatus, it is characterised in that：It is described
Vertical setting of types air nozzle is mounted on holder side, and vertical setting of types air nozzle is connected with air compressor, and simulation is actually rotated with revolving cup
The Airflow Environment that is subjected to of clinker brin, true reduction experiment condition.
5. the single clinker brin of a kind of focus tracking according to claim 1 is broken into drip apparatus, it is characterised in that：It is described
Seal box is the closed babinet made of metal material, ensures high temperature furnace slag during heating not by external condition shadow
It rings.
6. a kind of single clinker brin of focus tracking based on claim 1 described device is crushed droplets of method, feature exists
In specifically comprising the following steps：
(1) graphite stopper is positioned at graphite capillary nozzle first, nozzle is made to be closed, then blast furnace slag is put into
In graphite crucible, temperature control heating furnace bell is shut, seal box is closed, furnace inner space is made to be in sealing state；
(2) open temperature control heating furnace, heated 20~90 minutes with the heating rate of 5~100 DEG C/min, wait for temperature reach 1000~
Stop heating up after 2500 DEG C and carry out isothermal holding, clinker reaches fusing point into molten condition at this time；
(3) opening graphite stopper makes graphite capillary nozzle be in open state, opens simultaneously protection gas cylinder and leads into seal box
Enter protective gas, the molten slag in graphite crucible is under the action of protective gas pressure and its own gravity, by graphite capillary
Pipe nozzle forms brin outflow；
(4) air compressor is opened, the air of compression is sprayed by vertical setting of types air nozzle to be formed air curtain and blow to brin to simulate reality
The Airflow Environment that the clinker brin rotated with revolving cup on border is subjected to；
(5) while high-speed camera is opened, the brin of outflow is set off by contrast plate is shot with video-corder by high-speed camera；
(6) it shoots with video-corder getting off according to high-speed camera as a result, intercepting the photo opened brin and break into drop, is compared by image
The method of object of reference measures liquid-drop diameter, and finds out mean drop diameter under this condition；It also can be by changing air pressure and capillary
The experiment conditions such as pipe nozzle diameter carry out multigroup experiment, obtain the optimal conditions that diameter is less than 2.5mm slag particles；Final granulated slag
Grain is collected by slag slot.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810257799.0A CN108588311B (en) | 2018-03-27 | 2018-03-27 | Device and method for focusing and tracking single slag liquid filament to be broken into drops |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810257799.0A CN108588311B (en) | 2018-03-27 | 2018-03-27 | Device and method for focusing and tracking single slag liquid filament to be broken into drops |
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| CN107297508A (en) * | 2017-06-14 | 2017-10-27 | 重庆大学 | A kind of use for laboratory melt dry granulation device |
| CN107389300A (en) * | 2017-07-24 | 2017-11-24 | 西北工业大学 | A kind of high-temperature fusion microlayer model crash device and method |
| CN107490532A (en) * | 2017-08-16 | 2017-12-19 | 清华大学 | A kind of device and method for determining flight high-temperature particle geometric scale |
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